Installation of the MLG Leg Assembly

TASK 32-11-11-400-001-A
Installation of the MLG Leg Assembly

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

WARNING: OBEY THE HYDRAULIC SAFETY PROCEDURES.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 731
ZONE: 741
FIN: 2501GM
FIN: 2502GM

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	2	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	1	GAGE - SET, FEELER
No specific	AR	GROUND POWER CART-HYDRAULIC
No specific	AR	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)
No specific	AR	WIRE - PLASTIC
No specific	Torque wrench: range to between 1.63 and 0.63 m.N (14.42 and 5.58 lbf.in )
No specific	Torque wrench: range to between 1.97 and 1.3 m.N (17.43 and 11.50 lbf.in )
No specific	Torque wrench: range to between 32 and 29 m.N (24 and 21 lbf.ft )
No specific	Torque wrench: range to between 59 and 54 m.N (43 and 40 lbf.ft )
No specific	Torque wrench: range to between 136.5 and 123.5 m.N (100.66 and 91.08 lbf.ft )
No specific	Torque wrench: range to between 210 and 190 m.N (154.87 and 140.12 lbf.ft )
No specific	Torque wrench: range to between 0.50 and 0.45 m.daN (44.25 and 39.82 lbf.in )
No specific	Torque wrench: range to between 0.55 and 0.50 m.daN (48.67 and 44.25 lbf.in )
No specific	Torque wrench: range to between 13.65 and 12.35 m.daN (100.66 and 91.08 lbf.ft )
No specific	Torque wrench: range to between 21 and 19 m.daN (154.87 and 140.12 lbf.ft )
460005835	1	SLEEVE - GROUND LOCK
98D32104002000	1	EQUIPMENT-MLG REMOVAL INSTALLATION
98D32104002001	1	EQUIPMENT-MLG REMOVAL INSTALLATION
98D32104002002	1	EQUIPMENT MLG, REMOVAL INSTALLATION
98D32104002003	1	EQUIPMENT-MLG, REMOVAL INSTALLATION
98D32104005000	1	SPANNER-MLG REAR PINTLE
98D32104010000	1	INTERFACE BRACKET
98D32104010001	1	BRACKET ASSY INTERFACE
98D32104080000	1	SPANNER - MLG REAR PIN
98D32104081000	1	TOOL - SPHERICAL LOCATION
98D32104180000	1	SPHERICAL LOCATION TOOL
98D32104190001	1	TOOL - R I (MLG FWD AND REAR PINTLE PINS)
98D32104190002	1	TOOL - R I (MLG FWD AND REAR PINTLE PINS)
98D32203502000	2	SAFETY PIN - NLG DOOR
98D57004009000	1	TOOL-PINTLE BEARING ALIGNMENT (MLG)
98D57004009001	1	PINTLE BEARING ALIGNMENT
CFD1142-00-000	1	TROLLEY-HANDLING, MLG
CFD1142-10-000	1	TROLLEY-HANDLING, MLG
CFD1142-30-000	1	TROLLEY-HANDLING, MLG
D23080000	1	PIN-GROUND LOCK,NLG

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03GBB1)	Synthetic Oil base Grease-General Purpose Clay Thickened -
(Material No.03GBC1)	Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. -
(Material No.03HBD9)	Synthetic Ester base Grease-General Purpose Low Temp -
(Material No.04JMD3)	Top Coat Polyurethane-- Decorative External Structure
(Material No.04QAB2)	Coating_- Flexible Structure
(Material No.06AAB1)	Polysulfide Sealant-General Purpose Fillet -
(Material No.06AEA1)	Polysulfide Sealant-Low Adhesion Brushable -
(Material No.06LCG9)	Non Hardening Jointing Putty-Medium Temp. Area - -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.12ACB1)	Corrosion Preventive Compound-Heavy Duty Hard Film -
(Material No.14QFB1)	Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
731	L.H MAIN GEAR
741	R.H MAIN GEAR
197CB
574AB, 674AB
FOR [2501GM] (LEG ASSY-MLG, L)
574AB
FOR [2502GM] (LEG ASSY-MLG, R)
674AB

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
16	WIRE	AIPC 32-11-05-02-015
23	O-RINGS	AIPC 32-11-05-02-080
31	O-RING	AIPC 32-11-05-02-140
36	O-RING	AIPC 32-11-05-02-140
16	WIRE	AIPC 32-11-05-06-015
22	O-RINGS	AIPC 32-11-05-06-080
38	O-RING	AIPC 32-11-05-06-140
34	COTTER PIN	AIPC 32-11-11-66-070
36	COTTER PINS	AIPC 32-11-11-66-070
30	LAMINATED SHIMS	AIPC 32-11-11-66-095
32	LAMINATED SHIMS	AIPC 32-11-11-66-095
28	WASHER	AIPC 32-11-11-66-100
16	WIRE	AIPC 32-11-85-01-015
22	O-RINGS	AIPC 32-11-85-01-080
23	O-RINGS	AIPC 32-11-85-01-080
36	O-RING	AIPC 32-11-85-01-140
38	O-RING	AIPC 32-11-85-01-140
34	COTTER PINS	AIPC 32-11-85-66-070
30	LAMINATED SHIMS	AIPC 32-11-85-66-095
36	COTTER PINS	AIPC 32-11-85-67-070
32	LAMINATED SHIMS	AIPC 32-11-85-67-095

E. Referenced Information

REFERENCE	DESIGNATION
TASK 07-11-00-586-002-A	Lowering of the Aircraft for Maintenance Operations
TASK 11-00-00-400-012-A	Installation of the Labels on Landing Gear
TASK 12-12-32-611-008-A	Hydraulic Replenishment of the MLG Two-Stage Shock Absorber
TASK 12-22-32-640-001-A	Lubrication of Main Landing Gear and Doors
TASK 20-21-11-911-001-A	Tightening Torques for Standard Threaded Fasteners
TASK 20-23-22-910-001-A	Marking of the Unions after Application of Standard or Specific Tightening Torque
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
TASK 20-28-00-912-803-A	Bonding Surface Preparation
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 27-50-00-866-008-A	Extension of the Flaps on the Ground
TASK 27-50-00-866-008-A-01	Extension of the Flaps/Slats on the Ground
TASK 27-50-00-866-009-A	Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01	Retraction of the Flaps/Slats on the Ground
TASK 27-54-45-400-004-A	Installation of the Torque Shaft
TASK 29-00-00-864-001-A	Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 29-10-00-864-001-A	Depressurize the Green Hydraulic System
TASK 29-14-00-614-001-A	Depressurization of the Hydraulic Reservoirs
TASK 29-23-00-860-001-A	Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU)
TASK 29-23-00-860-002-A	Connection of the Isolation Coupling of the Power Transfer Unit (PTU)
TASK 32-00-00-481-001-A	Installation of the Safety Devices on the Landing Gears
TASK 32-00-00-481-002-A	Installation of the Safety Devices on the Landing Gear Doors
TASK 32-00-00-860-001-A	Flight Configuration Precautions with Electrical Power
TASK 32-00-00-860-001-A-01	Flight Configuration Precautions without Electrical Power
TASK 32-00-00-860-002-A	Ground Configuration after Flight Configuration with Electrical Power
TASK 32-00-00-860-002-A-01	Ground Configuration after Flight Configuration without Electrical Power
TASK 32-11-16-400-001-A	Installation of the MLG Side-Stay Assembly - Pre-EV MLG
TASK 32-11-16-400-001-A-01	Installation of the MLG Side Stay Assembly - Post-EV MLG
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A	Close the Main Gear Doors after Access
TASK 32-12-13-000-001-A	Removal of the Secondary Hinged Fairing
TASK 32-12-13-400-001-A	Installation of a Replacement Secondary Hinged Fairing
TASK 32-12-13-400-002-A	Installation of the Secondary Hinged Fairing (That was Removed for Access Only)
TASK 32-12-14-400-002-A	Installation of a Replacement MLG Fixed-Fairing Assembly
TASK 32-22-00-010-001-A	Nose Gear Doors - Ground Doors Opening
TASK 32-22-00-410-001-A	Nose Gear Doors - Ground Doors Closing
TASK 32-31-00-720-002-A	Functional Test of the Normal Extension and Retraction of the Landing Gear
TASK 32-31-00-820-004-A	MLG Clearance Check
TASK 32-31-46-400-001-A	Installation of the MLG Actuating Cylinder
TASK 32-33-00-720-001-A	Functional Check of Free-Fall Extension
TASK 32-41-11-400-006-A	Installation of the MLG Wheel
TASK 32-42-00-710-001-A	Operational Check of the Normal Braking System
TASK 32-42-00-720-002-A	Functional Test of the Tachometers and the Anti-Skid System with the Normal Braking System ON
TASK 32-42-00-720-003-A	Functional Test of the tachometers with the AIDS.
TASK 32-42-00-870-001-A	Bleeding of the Normal Braking at the Brake Units
TASK 32-42-27-400-001-A	Installation of the Brake
TASK 32-43-00-710-001-A	Operational Check of Alternate Braking System
TASK 32-43-00-870-002-A	Bleeding of the High Pressure Alternate Braking System
TASK 32-69-00-740-001-A	BITE Check of Landing-Gear Control Interface-Unit (LGCIU) With Use of MCDU to Ensure that Continuous BITE is Operative
TASK 57-26-13-000-001-A	Removal of the Bearing Assembly of the Forward Pintle Pin
TASK 57-26-13-400-001-A	Installation of the Bearing Assembly of the Forward Pintle Pin
TASK 57-51-00-200-001-A	Detailed Visual Inspection of Outer-Wing Main-Landing-Gear Rear-Pintle-Pin
TASK 57-51-37-400-008-A	Installation of the Access Door
TASK 57-51-42-400-001-A	Installation of the Overwing Panel Protection
AIPC 11-22-32-
AIPC 57-51-05-48
AIPC 57-51-85-48
TASK 12-22-00-00	LUBRICATION - DESCRIPTION AND OPERATION
Main Leg Assembly - Detail of Removal/Installation Equipment
Fairlead Assembly - Location and Detail
Details of the 1M Harness Connection (At the Disconnection Box)
Tie Rod for the Secondary Hinged Fairing - Removal/Installation
Main Leg Assembly - Location and Detail ** ON A/C NOT FOR ALL
Installation of the Half-Seals ** ON A/C NOT FOR ALL
MLG Pintle-Pins Location and Detail ** ON A/C NOT FOR ALL
MLG Pintle-Pins Location and Detail ** ON A/C NOT FOR ALL
Main Leg Assembly - Location and Detail ** ON A/C NOT FOR ALL
Installation of the Half-Seals ** ON A/C NOT FOR ALL
MLG Pintle-Pins Location and Detail ** ON A/C NOT FOR ALL
Blanking Plugs - Removal/Installation

3. Job Set-up
Subtask 32-11-11-941-053-A

A. Safety Precautions
(1) Make sure that the SAFETY BARRIER(S) are in position.
(2) Make sure that the ground safety locks are installed on the landing gear (Ref. AMM TASK 32-00-00-481-001).
(3) On panel 400VU:

Make sure that the landing-gear control-lever 6GA is in the DOWN position
Make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the landing gear
Make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the landing-gear doors.

(4) Make sure that the WARNING NOTICE(S) are in the cockpit to tell persons not to operate the brakes.
(5) Make sure that the WARNING NOTICE(S) are in the cockpit to tell persons not to operate the flap controls.
(6) Make sure that the WARNING NOTICE(S) are on the ground service connections to tell persons not to operate:

The Green Hydraulic system
The Yellow Hydraulic system.

Subtask 32-11-11-860-057-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make sure that the Green and the Yellow Hydraulic systems are depressurized (Ref. AMM TASK 29-00-00-864-001).
(2) Make sure that the applicable hydraulic reservoirs are depressurized (Ref. AMM TASK 29-14-00-614-001).
(3) Make sure that the flaps are fully extended (Ref. AMM TASK 27-50-00-866-008).
(4) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is installed on the flap/slat control lever.
(5) Make sure that the two ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE are in position adjacent to the applicable MLG leg assembly (one at the front and one at the rear).
(6) Make sure that the isolation coupling of the PTU is disconnected (Ref. AMM TASK 29-23-00-860-001).
(7) Make sure that the applicable MLG door is open (Ref. AMM TASK 32-12-00-010-001).
(8) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the applicable MLG door actuator.
(9) Make sure that the secondary hinged-fairing assembly is removed (Ref. AMM TASK 32-12-13-000-001).
(10) Make sure that the applicable access panel is open:
(a) FOR [2501GM] (LEG ASSY-MLG, L)
panel 574AB.
(b) FOR [2502GM] (LEG ASSY-MLG, R)
panel 674AB.
(11) If the LGCIU circuit breakers were not opened in the removal task, make sure that the electrical circuits are de-energized (Ref. AMM TASK 24-41-00-862-002).

Subtask 32-11-11-860-057-B ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make sure that the Green and the Yellow Hydraulic systems are depressurized (Ref. AMM TASK 29-00-00-864-001).
(2) Make sure that the applicable hydraulic reservoirs are depressurized (Ref. AMM TASK 29-14-00-614-001).
(3) Make sure that the flaps are fully extended (Ref. AMM TASK 27-50-00-866-008).
(4) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is installed on the flap/slat control lever.
(5) Make sure that the two ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE are in position adjacent to the applicable MLG leg assembly (one at the front and one at the rear).
(6) Make sure that the isolation coupling of the PTU is disconnected (Ref. AMM TASK 29-23-00-860-001).
(7) Make sure that the applicable MLG door is open (Ref. AMM TASK 32-12-00-010-001).
(8) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the applicable MLG door actuator.
(9) Make sure that the secondary hinged-fairing assembly is removed (Ref. AMM TASK 32-12-13-000-001).
(10) Make sure that the applicable access panel is removed:
(a) FOR [2501GM] (LEG ASSY-MLG, L)
panel 574AB
(b) FOR [2502GM] (LEG ASSY-MLG, R)
panel 674AB.
(11) If the LGCIU circuit breakers were not opened in the removal task, make sure that the electrical circuits are de-energized (Ref. AMM TASK 24-41-00-862-002).

Subtask 32-11-11-860-058-A

C. Flight Configuration Precautions
(1) If the electrical power is not necessary for other maintenance tasks, make sure that the aircraft electrical circuits are de-energized (Ref. AMM TASK 24-41-00-862-002).
(2) If the electrical power is necessary, make sure that the flight configuration precautions (Ref. AMM TASK 32-00-00-860-001) are done before the LGCIU circuit breakers are opened.

Subtask 32-11-11-865-051-A

D. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	L/G/Y BRK/PRESS/IND	61GG	C10
** ON A/C ALL
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
** ON A/C NOT FOR ALL
49VU	ABCU &/Y BRK/PRESS IND	61GG	C10
** ON A/C NOT FOR ALL
121VU	LGCIU/BAT SPLY/SYS2	59GA	R33
121VU	LGCIU/BAT SPLY/SYS1	58GA	R32
** ON A/C ALL
121VU	HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY	4GG	M36
121VU	HYDRAULIC/BRAKING AND STEERING/SYS2/CTL	3GG	M35
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/CTL	1GG	M34
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY	2GG	M33
121VU	HYDRAULIC/PARK BRK/CTL/STBY	71GG	N37
121VU	HYDRAULIC/PARK BRK/CTL/NORM	70GG	N36
121VU	HYDRAULIC/LGCIU/SYS2	2GA	Q35
121VU	HYDRAULIC/LGCIU/SYS1/GRND SPLY	52GA	Q34
** ON A/C NOT FOR ALL
121VU	LGCIU/BAT SPLY/SYS2	59GA	R32
121VU	LGCIU/BAT SPLY/SYS1	58GA	R31

Subtask 32-11-11-480-051-A ** ON A/C NOT FOR ALL

E. Installation of Support Equipment
(1) Install the 98D32104002000 EQUIPMENT-MLG REMOVAL INSTALLATION or the 98D32104002001 EQUIPMENT-MLG REMOVAL INSTALLATION:
(a) Attach the 98D32104010000 INTERFACE BRACKET (106) to the MLG drag stay.
(b) Attach the lifting beam (105) to the MLG leg.
(c) Put the MLG leg assembly with the CFD1142-10-000 TROLLEY-HANDLING, MLG or the CFD1142-30-000 TROLLEY-HANDLING, MLG or the CFD1142-00-000 TROLLEY-HANDLING, MLG below the lifting equipment.
(d) Extend the mini-hoist lifting cables and connect them to the lifting beam (105).
(e) Release the safety catches on the CFD1142-10-000 TROLLEY-HANDLING, MLG or the CFD1142-30-000 TROLLEY-HANDLING, MLG or the CFD1142-00-000 TROLLEY-HANDLING, MLG.
(f) Attach the drive-link between the forward rail assembly (110) and the aft rail assembly (108).

Subtask 32-11-11-480-051-C ** ON A/C NOT FOR ALL

E. Installation of Support Equipment
(1) Install the 98D32104002002 EQUIPMENT MLG, REMOVAL INSTALLATION or the 98D32104002003 EQUIPMENT-MLG, REMOVAL INSTALLATION.

Main Leg Assembly - Detail of Removal/Installation Equipment ** ON A/C NOT FOR ALL

(a) Attach the 98D32104010000 INTERFACE BRACKET or the 98D32104010001 BRACKET ASSY INTERFACE (106) to the MLG drag stay.
(b) Attach the lifting beam (105) to the MLG leg.
(c) Put the MLG leg assembly with the CFD1142-10-000 TROLLEY-HANDLING, MLG or the CFD1142-30-000 TROLLEY-HANDLING, MLG or the CFD1142-00-000 TROLLEY-HANDLING, MLG below the lifting equipment.
(d) Extend the mini-hoist lifting cables and connect them to the lifting beam (105).
(e) Release the safety catches on the CFD1142-10-000 TROLLEY-HANDLING, MLG or the CFD1142-30-000 TROLLEY-HANDLING, MLG or the CFD1142-00-000 TROLLEY-HANDLING, MLG.
(f) Attach the drive-link between the forward rail assembly (110) and the aft rail assembly (108).

4. Procedure
Subtask 32-11-11-420-063-A

A. Preparation for Installation
(1) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the component interface and/or the adjacent area.
(2) Do an inspection of the component interface and/or the adjacent area.
(3) Make sure that all the identification plates and labels on the MLG are correctly installed and show the correct data AIPC 11-22-32- (Ref. AMM TASK 11-00-00-400-012).
(4) Make sure that the parts retained from the removed component are clean and in the correct condition.
(5) Remove the MLG forward pintle bearing (Ref. AMM TASK 57-26-13-000-001).
(6) Clean the MLG forward pintle bearing with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(7) Make sure that the grease channels to the MLG forward pintle bearing are clear.
(8) Install the MLG forward pintle bearing (Ref. AMM TASK 57-26-13-400-001).
(9) Do a visual inspection of the MLG rear pintle pin (Ref. AMM TASK 57-51-00-200-001).
(10) Do a visual inspection of the spherical bearing of the MLG rear pintle pin:
(a) Make sure that the sealant around the bearing assembly is not broken or there is no crack in the sealant. Broken sealant or a crack in the sealant is an indication of movement or loose items.
(b) Do an inspection of the bearing and its retaining nut for signs of movement.
(c) Do an inspection of the bearing retaining bolt for signs of movement and make sure it is not loose.
(d) If you find signs of movement of the bearing, do a detailed inspection of the bearing assembly with the applicable CMM.
(11) For the MLG support rib 5:
(a) Do a special detailed inspection and make sure that:

There is no damage
There is no corrosion
There are no cracks
The surface protection is in the correct condition
The support rib 5 is not worn.

(b) Do an inspection of the fillet sealant around the bushes:
1 Make sure that the fillet sealant is continuous and that there:

Is no damage
Are no holes
Are no cracks.

2 If you find damage, contact AIRBUS.

Subtask 32-11-11-420-062-A ** ON A/C NOT FOR ALL

B. Installation of the MLG Leg Assembly

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).

(1) Remove the blanking caps from the forward and the rear pintles.
(2) Examine the sleeve (15):
(a) Make sure that the internal and external surfaces of the sleeve (15) are clean.
(b) Make sure that the internal surfaces of the fixed bushes are clean.
(c) Put the sleeve (15) in position on the rear pintle pin (20) and make sure that:

It will fully engage
It moves freely.

(d) Remove the sleeve (15) from the rear pintle pin (20).
(e) Put the sleeve (15) in position in the fixed bush and make sure that it moves freely.
(f) Remove the sleeve (15) from the fixed bush.
(3) Apply a thin layer of Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the internal surfaces of the fixed bushes.
(4) Put the sleeve (15) in position in the fixed bush and make sure that:

It moves freely in the fixed bush
It is installed in the fully aft position.

(5) Lubricate the new AIPC 32-11-05-02-140 O-RING (31) with Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) .
(6) Apply a thin layer of Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the internal surface of the spherical bearing.
(7) Install the new O-ring (31) in the internal groove of the spherical bearing.
(8) Use the 98D57004009000 TOOL-PINTLE BEARING ALIGNMENT (MLG) or the 98D57004009001 PINTLE BEARING ALIGNMENT to align the spherical bearing in the forward pintle mounting.
(9) Operate the 98D32104002000 EQUIPMENT-MLG REMOVAL INSTALLATION to lift the MLG leg assembly for installation to the wing:
(a) Operate the mini-hoists (113) and (114) and lift the MLG leg until the MLG forward pintle is level with its mounting.
(b) Carefully turn the drive-link until the MLG leg moves outboard and aligns with the pintle mounting.
(c) Remove the connecting bar and move the gearboxes one at a time, to get the correct alignment.

Subtask 32-11-11-420-062-C ** ON A/C NOT FOR ALL

B. Installation of the MLG Leg Assembly

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).

It will fully engage
It moves freely.

It moves freely in the fixed bush
It is installed in the fully aft position.

(5) Lubricate the new AIPC 32-11-05-02-140 O-RING (36) with Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) .
(6) Apply a thin layer of Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the internal surface of the spherical bearing.
(7) Install the new O-ring (36) in the internal groove of the spherical bearing.
(8) Use the 98D57004009000 TOOL-PINTLE BEARING ALIGNMENT (MLG) or the 98D57004009001 PINTLE BEARING ALIGNMENT to align the spherical bearing in the forward pintle mounting.
(9) Operate the 98D32104002000 EQUIPMENT-MLG REMOVAL INSTALLATION to lift the MLG leg assembly for installation to the wing:
(a) Operate the mini-hoists (113) and (114) and lift the MLG leg until the MLG forward pintle is level with its mounting.
(b) Carefully turn the drive-link until the MLG leg moves outboard and aligns with the pintle mounting.
(c) Remove the connecting bar and move the gearboxes one at a time, to get the correct alignment.

Subtask 32-11-11-420-062-D ** ON A/C NOT FOR ALL

B. Installation of the MLG Leg Assembly

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).

It will fully engage
It moves freely.

(d) Remove the sleeve (15) from the rear pintle pin (19).
(e) Put the sleeve (15) in position in the fixed bush and make sure that it moves freely.
(f) Remove the sleeve (15) from the fixed bush.
(3) Apply a thin layer of Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the internal surfaces of the fixed bushes.
(4) Put the sleeve (15) in position in the fixed bush and make sure that:

It moves freely in the fixed bush
It is installed in the fully aft position.

(5) Lubricate the new AIPC 32-11-05-06-140 O-RING (38) with Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) .
(6) Apply a thin layer of Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the internal surface of the spherical bearing.
(7) Install the new O-ring (38) in the internal groove of the spherical bearing.
(8) Use the 98D57004009000 TOOL-PINTLE BEARING ALIGNMENT (MLG) or the 98D57004009001 PINTLE BEARING ALIGNMENT to align the spherical bearing in the forward pintle mounting.
(9) Operate the 98D32104002002 EQUIPMENT MLG, REMOVAL INSTALLATION or the 98D32104002003 EQUIPMENT-MLG, REMOVAL INSTALLATION to lift the MLG leg assembly for installation to the wing:
(a) Operate the mini-hoists (113) and (114) and lift the MLG leg until the MLG forward pintle is level with its mounting.
(b) Carefully turn the drive-link until the MLG leg moves outboard and aligns with the pintle mounting.
(c) Remove the connecting bar and move the gearboxes one at a time, to get the correct alignment.

Subtask 32-11-11-420-062-F ** ON A/C NOT FOR ALL

B. Installation of the MLG Leg Assembly

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).

It will fully engage
It moves freely.

It moves freely in the fixed bush
It is installed in the fully aft position.

(5) Lubricate the new AIPC 32-11-05-02-140 O-RING (36) or the new AIPC 32-11-85-01-140 O-RING (36) with Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) .
(6) Apply a thin layer of Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the internal surface of the spherical bearing.
(7) Install the O-ring (36) in the internal groove of the spherical bearing.
(8) Use the 98D57004009000 TOOL-PINTLE BEARING ALIGNMENT (MLG) or the 98D57004009001 PINTLE BEARING ALIGNMENT to align the spherical bearing in the forward pintle mounting.
(9) Operate the 98D32104002000 EQUIPMENT-MLG REMOVAL INSTALLATION to lift the MLG leg assembly for installation to the wing:
(a) Operate the mini-hoists (113) and (114) and lift the MLG leg until the MLG forward pintle is level with its mounting.
(b) Carefully turn the drive-link until the MLG leg moves outboard and aligns with the pintle mounting.
(c) Remove the connecting bar and move the gearboxes one at a time, to get the correct alignment.

Subtask 32-11-11-420-062-I ** ON A/C NOT FOR ALL

B. Installation of the MLG Leg Assembly

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).

(1) Remove the CAP - BLANKING from the forward and the rear pintles.
(2) Examine the sleeve (15):
(a) Make sure that the internal and external surfaces of the sleeve (15) are clean.
(b) Make sure that the internal surfaces of the fixed bushes are clean.
(c) Put the sleeve (15) in position on the rear pintle pin (19) and make sure that:

It will fully engage
It moves freely.

It moves freely in the fixed bush
It is installed in the fully aft position.

(5) Lubricate the new AIPC 32-11-85-01-140 O-RING (38) with Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) .
(6) Apply a thin layer of Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the internal surface of the spherical bearing.
(7) Install the new O-ring (38) in the internal groove of the spherical bearing.
(8) Use the 98D57004009000 TOOL-PINTLE BEARING ALIGNMENT (MLG) or the 98D57004009001 PINTLE BEARING ALIGNMENT to align the spherical bearing in the forward pintle mounting.
(9) Operate the 98D32104002002 EQUIPMENT MLG, REMOVAL INSTALLATION or the 98D32104002003 EQUIPMENT-MLG, REMOVAL INSTALLATION to lift the MLG leg assembly for installation to the wing:
(a) Operate the mini-hoists (113) and (114) and lift the MLG leg until the MLG forward pintle is level with its mounting.
(b) Carefully turn the drive-link until the MLG leg moves outboard and aligns with the pintle mounting.
(c) Remove the connecting bar and move the gearboxes one at a time, to get the correct alignment.

Subtask 32-11-11-480-052-B ** ON A/C NOT FOR ALL

C. Installation of Support Equipment
(1) Install the 98D32104190001 TOOL - R I (MLG FWD AND REAR PINTLE PINS) between the forward and the rear pintles and set to install the forward pintle pin (27).

Subtask 32-11-11-480-052-D ** ON A/C NOT FOR ALL

C. Installation of Support Equipment
(1) Install the 98D32104190002 TOOL - R I (MLG FWD AND REAR PINTLE PINS) between the forward and the rear pintles and set to install the forward pintle pin (31).

Subtask 32-11-11-420-061-A ** ON A/C NOT FOR ALL

CAUTION: YOU MUST INSTALL THE FORWARD PINTLE PIN FIRST, BEFORE YOU INSTALL THE REAR PINTLE PIN.

D. Installation of the Pintle Pins

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).

(1) Apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the forward pintle pin (27).
(2) Install the forward pintle pin (27) with the 98D32104190001 TOOL - R I (MLG FWD AND REAR PINTLE PINS).
(3) Set the 98D32104190001 TOOL - R I (MLG FWD AND REAR PINTLE PINS) to install the rear pintle pin (20).
(4) Set the sleeve (15) in the forward position (this aligns the spherical bearing in the MLG rear pintle with the rear pintle mounting) and install the 98D32104180000 SPHERICAL LOCATION TOOL.
(5) Apply a thin layer of Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the external surface of the rear pintle pin (20).

NOTE: You must not apply grease to the:

Internal surfaces of the sleeve (15)
Threads of the rear pintle pin (20).

(6) Install the rear pintle pin (20) with the 98D32104190001 TOOL - R I (MLG FWD AND REAR PINTLE PINS).

NOTE: The rear pintle pin is a clearance fit in the spherical bearing. For the permitted clearance values, refer to the applicable CMM.

(7) Remove the 98D32104190001 TOOL - R I (MLG FWD AND REAR PINTLE PINS) from the MLG leg assembly.
(8) Remove the 98D32104180000 SPHERICAL LOCATION TOOL from the rear pintle mounting.

Subtask 32-11-11-420-061-F ** ON A/C NOT FOR ALL

CAUTION: YOU MUST INSTALL THE FORWARD PINTLE PIN FIRST, BEFORE YOU INSTALL THE REAR PINTLE PIN.

D. Installation of the Pintle Pins

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).

NOTE: You must not apply grease to the:

Internal surfaces of the sleeve (15)
Threads of the rear pintle pin (20).

(6) Install the rear pintle pin (20) with the 98D32104190001 TOOL - R I (MLG FWD AND REAR PINTLE PINS).

NOTE: The rear pintle pin is a clearance fit in the spherical bearing. For the permitted clearance values, refer to the applicable CMM.

(7) Remove the 98D32104190001 TOOL - R I (MLG FWD AND REAR PINTLE PINS) from the MLG leg assembly.
(8) Remove the 98D32104180000 SPHERICAL LOCATION TOOL from the rear pintle mounting.

Subtask 32-11-11-420-061-G ** ON A/C NOT FOR ALL

CAUTION: YOU MUST INSTALL THE FORWARD PINTLE PIN FIRST, BEFORE YOU INSTALL THE REAR PINTLE PIN.

D. Installation of the Pintle Pins

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).

(1) Apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the forward pintle pin (31).
(2) Install the forward pintle pin (31) with the 98D32104190002 TOOL - R I (MLG FWD AND REAR PINTLE PINS) into the spherical bearing, until the lockbolt and forward pintle holes are aligned.
(3) Set the 98D32104190002 TOOL - R I (MLG FWD AND REAR PINTLE PINS) to install the rear pintle pin (19).
(4) Set the sleeve (15) in the forward position (this aligns the spherical bearing in the MLG rear pintle with the rear pintle mounting) and install the 98D32104081000 TOOL - SPHERICAL LOCATION.
(5) Apply a thin layer of Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the external surface of the rear pintle pin (19).

NOTE: You must not apply grease to the:

Internal surfaces of the sleeve (15)
Threads of the rear pintle pin (19).

(6) Install the rear pintle pin (19) with the 98D32104190002 TOOL - R I (MLG FWD AND REAR PINTLE PINS).

NOTE: The rear pintle pin is a clearance fit in the spherical bearing. For the permitted clearance values, refer to the applicable CMM.

(7) Remove the 98D32104190002 TOOL - R I (MLG FWD AND REAR PINTLE PINS) from the MLG leg assembly.
(8) Remove the 98D32104081000 TOOL - SPHERICAL LOCATION from the rear pintle mounting.

Subtask 32-11-11-420-056-B ** ON A/C NOT FOR ALL

E. Installation of the MLG Leg Assembly
(1) Install a new AIPC 32-11-11-66-100 WASHER (28), the bolt (29), the washer (35) and the nut (33). Make sure that the bolt (29) goes through the lugs on the forward pintle pin (27), with the head inboard.
(2) TORQUE the nut (33) to between 0.50 and 0.45 m.daN (44.25 and 39.82 lbf.in )

.
(3) Safety the nut (33) with a new AIPC 32-11-11-66-070 COTTER PIN (34). If the hole for the cotter pin does not align, loosen the nut (33) sufficiently to align the hole.

NOTE: After the cotter pin is installed, a maximum end float of 0.25 mm (0.0098 in.) of the bolt (29) is permitted.

(4) Apply Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the bolt (29), the washer (28), the washer (35), the cotter pin (34) and the nut (33).

NOTE: Apply the sealant after you assemble the components on the external surfaces only.

(5) Apply a layer of Coating_- Flexible Structure (Material No.04QAB2) or Top Coat Polyurethane-- Decorative External Structure (Material No.04JMD3) on all the sealant.

Subtask 32-11-11-420-056-C ** ON A/C NOT FOR ALL

E. Installation of the MLG Leg Assembly
(1) Put a radius washer (28) on each lockbolt (29). Install the lockbolts (29) through the forward pintle pin (27) lugs into the forward pintle.
(2) Install the nylon washers (31), the spacers (32) and the nuts (33) on the applicable lockbolts (29). Do not install the laminated shims (30).
(3) Make sure that the radius washers (28) are installed correctly against the internal contour of the pintle pin (27).

NOTE: The components must be installed in the same position identified in the removal procedure.

(4) TORQUE the nuts (33) to between 0.55 and 0.50 m.daN (48.67 and 44.25 lbf.in )

.
(5) Make sure that the radius washers (28) have not moved.
(6) Use a GAGE - SET, FEELER to measure and record the end float of the lockbolts (29) at positions A and C.

NOTE: If access to positions A and C is not possible, the end float can be measured at positions B and D.

(7) Remove the nuts (33), the spacers (32) and the nylon washers (31) from the applicable lockbolt(s) (29).
(8) Adjust the new AIPC 32-11-11-66-095 LAMINATED SHIMS (30) to the dimension of the recorded end float of the applicable lockbolt (29).
(9) Make sure that:

No more shim laminates are removed than are necessary
The adjusted shim pack dimension is not less than the recorded end float.

(10) Install the new laminated shims (30), the nylon washers (31), the spacers (32) and the nuts (33) on the applicable lockbolts (29).
(11) Make sure that the radius washers (28) are installed correctly against the internal contour of the pintle pin (27).
(12) TORQUE the nuts (33) to between 0.55 and 0.50 m.daN (48.67 and 44.25 lbf.in )

.
(13) Make sure that the radius washers (28) have not moved.
(14) Safety the nuts (33) with new AIPC 32-11-11-66-070 COTTER PIN (34). If the holes for the cotter pins do not align, tighten the nuts (33) sufficiently to align the holes.
(15) Apply Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the lockbolts (29), the spacers (32), the nylon washers (31), the laminated shims (30), the nuts (33) and the cotter pins (34).

NOTE: You must apply the sealants on the external surfaces only, after you assemble the component.

(16) Apply a layer of Coating_- Flexible Structure (Material No.04QAB2) or Top Coat Polyurethane-- Decorative External Structure (Material No.04JMD3) on all the sealant.

Subtask 32-11-11-420-056-D ** ON A/C NOT FOR ALL

E. Installation of the MLG Leg Assembly
(1) Make sure that the lockbolt (28) and the lockbolt (30) are attached with the bowden cable (29).
(2) Put a radius washer (27) on the lockbolt (28) and the lockbolt (30).
(3) Install the smaller diameter lockbolt (28) through the forward pintle pin (31) outboard lug into the forward pintle.
(4) Install the lockbolt (30) through the forward pintle pin (31) inboard lug into the forward pintle.
(5) Install the nylon washers (33), the spacers (34) and the nuts (35) on the lockbolt (28) and the lockbolt (30). Do not install the laminated shims (32).
(6) Make sure that the radius washers (27) are installed correctly against the internal contour of the forward pintle pin (31).

NOTE: The components must be installed in the same position identified in the removal procedure.

(7) TORQUE the nuts (35) to between 0.55 and 0.50 m.daN (48.67 and 44.25 lbf.in )

.
(8) Make sure that the radius washers (27) have not moved.
(9) At position A or B, use a GAGE - SET, FEELER to measure and record the end float on the lockbolt (28) or the lockbolt (30).
(10) Adjust the new AIPC 32-11-11-66-095 LAMINATED SHIMS (32) to the dimension of the recorded end float of the lockbolt (28) and/or the lockbolt (30).
(11) Make sure that:

No more shim laminates are removed than are necessary
The adjusted shim pack dimension is not less than the recorded end float.

(12) Remove the nuts (35), the spacers (34) and the nylon washers (33).
(13) Install the new laminated shims (32), the nylon washers (33), the spacers (34) and the nuts (35) on the lockbolt (28) and the lockbolt (30).
(14) Make sure that the radius washers (27) are installed correctly against the internal contour of the forward pintle pin (31).
(15) TORQUE the nuts (35) to between 0.55 and 0.50 m.daN (48.67 and 44.25 lbf.in )

.
(16) Make sure that the radius washers (27) have not moved.
(17) Safety the nuts (35) with new AIPC 32-11-11-66-070 COTTER PINS (36). If the holes for the cotter pins do not align, tighten the nuts (35) sufficiently to align the holes.
(18) Apply Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the lockbolt (28), the lockbolt (30), the spacers (34), the nylon washers (33), the laminated shims (32), the nuts (35) and the cotter pins (36).

NOTE: Apply the sealant after you assemble the components, on the external surfaces only.

(19) Apply a layer of Coating_- Flexible Structure (Material No.04QAB2) or Top Coat Polyurethane-- Decorative External Structure (Material No.04JMD3) on all the sealant.

Subtask 32-11-11-420-056-F ** ON A/C NOT FOR ALL

E. Installation of the MLG Leg Assembly
(1) Put a radius washer (28) on each lockbolt (29).
(2) Install the lockbolts (29) through the forward pintle pin (27) lugs into the forward pintle.
(3) Install the nylon washers (31), the spacers (32) and the nuts (33) on the applicable lockbolts (29). Do not install the laminated shims (30).
(4) Make sure that the radius washers (28) are installed correctly against the internal contour of the pintle pin (27).

NOTE: The components must be installed in the same position identified in the removal procedure.

(5) TORQUE the nuts (33) to between 0.55 and 0.50 m.daN (48.67 and 44.25 lbf.in )

.
(6) Make sure that the radius washers (28) have not moved.
(7) Use a GAGE - SET, FEELER to measure and record the end float of the lockbolts (29) at positions A and C.

NOTE: If access to positions A and C is not possible, the end float can be measured at positions B and D.

(8) Remove the nuts (33), the spacers (32) and the nylon washers (31) from the applicable lockbolt(s) (29).
(9) Adjust the new AIPC 32-11-11-66-095 LAMINATED SHIMS (30) or the new AIPC 32-11-85-66-095 LAMINATED SHIMS (30) to the dimension of the recorded end float of the applicable lockbolt (29).
(10) Make sure that:

No more shim laminates are removed than are necessary
The adjusted shim pack dimension is not less than the recorded end float.

(11) Install the laminated shims (30), the nylon washers (31), the spacers (32) and the nuts (33) on the applicable lockbolts (29).
(12) Make sure that the radius washers (28) are installed correctly against the internal contour of the pintle pin (27).
(13) TORQUE the nuts (33) to between 0.55 and 0.50 m.daN (48.67 and 44.25 lbf.in )

.
(14) Make sure that the radius washers (28) have not moved.
(15) Safety the nuts (33) with the new AIPC 32-11-11-66-070 COTTER PIN (34) or the new AIPC 32-11-85-66-070 COTTER PINS (34). If the holes for the cotter pins do not align, tighten the nuts (33) sufficiently to align the holes.
(16) Apply Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the items that follow:

The lockbolts (29)
The spacers (32)
The nylon washers (31)
The laminated shims (30)
The nuts (33)
The cotter pins (34).

NOTE: Apply the sealant after you assemble the components, on the external surfaces only.

(17) Apply a layer of Coating_- Flexible Structure (Material No.04QAB2) or Top Coat Polyurethane-- Decorative External Structure (Material No.04JMD3) on all the sealant.

Subtask 32-11-11-420-056-G ** ON A/C NOT FOR ALL

NOTE: The components must be installed in the same position identified in the removal procedure.

(7) TORQUE the nuts (35) to between 0.55 and 0.50 m.daN (48.67 and 44.25 lbf.in )

.
(8) Make sure that the radius washers (27) have not moved.
(9) At position A or B, use a GAGE - SET, FEELER to measure and record the end float on the lockbolt (28) or the lockbolt (30).
(10) Adjust the new AIPC 32-11-11-66-095 LAMINATED SHIMS (32) or AIPC 32-11-85-67-095 LAMINATED SHIMS (32) to the dimension of the recorded end float of the lockbolt (28) and/or the lockbolt (30).
(11) Make sure that:

No more shim laminates are removed than are necessary
The adjusted shim pack dimension is not less than the recorded end float.

.
(16) Make sure that the radius washers (27) have not moved.
(17) Safety the nuts (35) with the new AIPC 32-11-11-66-070 COTTER PINS (36) or AIPC 32-11-85-67-070 COTTER PINS (36). If the holes for the cotter pins not align, tighten the nuts (35) sufficiently to align the holes.
(18) Apply Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the lockbolt (28), the lockbolt (30), the spacers (34), the nylon washers (33), the laminated shims (32), the nuts (35) and the cotter pins (36).

NOTE: Apply the sealant after you assemble the components, on the external surfaces only.

(19) Apply a layer of Coating_- Flexible Structure (Material No.04QAB2) or Top Coat Polyurethane-- Decorative External Structure (Material No.04JMD3) on all the sealant.

Subtask 32-11-11-420-057-A ** ON A/C NOT FOR ALL

F. Installation of the MLG Leg Assembly
(1) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the threads of:

The nut (18)
The rear pintle pin (20).

NOTE: It is recommended to use the alternatives of Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) which do not contain chromate.

(2) Install the washer (19) on the rear pintle pin (20).
(3) Install the nut (18) on the rear pintle pin (20).
(4) Make sure that the shoulder face below the head of the rear pintle pin (20) touches the forward bush face and there is no clearance at F1.

NOTE: As the anti-rotation washer (24) is thinner than the bush flange, there will be a clearance between the forward bush face and the rear pintle pin (20).

(5) Torque the nut (18) as follows:
(a) Calculate the torque wrench setting for the adaptor you will use, to get a torque value to between 210 and 190 m.N (154.87 and 140.12 lbf.ft )

at the nut (18) (Ref. AMM TASK 20-21-11-911-001).
(b) Set the torque wrench to the calculated torque value.
(c) Install the torque wrench on the 98D32104005000 SPANNER-MLG REAR PINTLE.

NOTE: The axis of the 98D32104005000 SPANNER-MLG REAR PINTLE and the torque wrench will make a straight line away from the nut (18).

(d) TORQUE the nut (18) to between 210 and 190 m.N (154.87 and 140.12 lbf.ft )

NOTE: The specified torque value is the torque that you must apply to the nut (18) and not the torque wrench setting.

(6) Loosen the nut (18).
(7) Do the steps (5) and (6) two more times.
(8) Torque the nut (18) as follows:
(a) Calculate the torque wrench setting for the adaptor you will use, to get a torque value to between 136.5 and 123.5 m.N (100.66 and 91.08 lbf.ft )

at the nut (18) (Ref. AMM TASK 20-21-11-911-001).
(b) Set the torque wrench to the calculated torque value.
(c) Install the torque wrench on the 98D32104005000 SPANNER-MLG REAR PINTLE.

NOTE: The axis of the 98D32104005000 SPANNER-MLG REAR PINTLE and the torque wrench will make a straight line away from the nut (18).

(d) TORQUE the nut (18) to between 136.5 and 123.5 m.N (100.66 and 91.08 lbf.ft )

NOTE: The specified torque value is the torque that you must apply to the nut (18) and not the torque wrench setting.

Subtask 32-11-11-420-057-B ** ON A/C NOT FOR ALL

F. Installation of the MLG Leg Assembly
(1) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the threads of:

the nut (18)
the rear pintle pin (19).

NOTE: It is recommended to use the alternatives of Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) which do not contain chromate.

(2) Install the nut (18) on the rear pintle pin (19).
(3) Make sure that the shoulder face below the head of the pintle pin (19) touches the forward bush face, so that there is no clearance at F1.

NOTE: As the anti-rotation washer (23) is thinner than the bush flange, there will be a clearance between it and the rear pintle pin (19).

(4) TORQUE the nut (18) to between 21 and 19 m.daN (154.87 and 140.12 lbf.ft )

as follows:
(a) Use the formula to tighten with a torque wrench and adaptor, to get the calculated torque figure (Ref. AMM TASK 20-21-11-911-001).
(b) Set the torque wrench to the calculated torque figure.
(c) Install the torque wrench on the 98D32104080000 SPANNER - MLG REAR PIN.

NOTE: The axis of the 98D32104080000 SPANNER - MLG REAR PIN and the torque wrench will make a straight line away from the nut (18).

(d) TORQUE the nut (18).
(5) Loosen the nut (18).
(6) Do the steps (4) and (5) two more times.
(7) TORQUE the nut (18) to between 13.65 and 12.35 m.daN (100.66 and 91.08 lbf.ft )

as follows:
(a) Use the formula to tighten with a torque wrench and adaptor to get the calculated torque figure (Ref. AMM TASK 20-21-11-911-001).
(b) Set the torque wrench to the calculated torque figure.
(c) Install the torque wrench on the 98D32104080000 SPANNER - MLG REAR PIN.

NOTE: The axis of the 98D32104080000 SPANNER - MLG REAR PIN and the torque wrench will make a straight line away from the nut (18).

(d) TORQUE the nut (18).

Subtask 32-11-11-220-050-A ** ON A/C NOT FOR ALL

G. Dimensional Check
(1) Use a GAGE - SET, FEELER to measure the dimensions F as follows:

NOTE: It is possible to have zero clearance at one of the three dimensions (F1, F2 or F3). This is satisfactory.

(a) For in-service components, the total of the three dimensions (F1 + F2 + F3) must be equal to or less than 0.5 mm (0.0197 in.).
(b) For repaired or overhauled components, the total of the three dimensions (F1 + F2 + F3) must be equal to or less than 0.25 mm (0.0098 in.).
(c) The total of the two dimensions (F4 + F1) must be between 0.575 mm (0.0226 in.) and 1.17 mm (0.0461 in.).

Subtask 32-11-11-220-050-B ** ON A/C NOT FOR ALL

G. Dimensional Check
(1) Use a GAGE - SET, FEELER to measure the dimensions F as follows:

NOTE: It is possible to have zero clearance at one of the three dimensions (F1, F2 or F3). This is satisfactory.

(a) For in-service components, the total of the three dimensions (F1 + F2 + F3) must be equal to or less than 0.5 mm (0.0197 in.).
(b) For repaired or overhauled components, the total of the three dimensions (F1 + F2 + F3) must be equal to or less than 0.26 mm (0.0102 in.).
(c) The total of the two dimensions (F4 + F1) must be between 0.37 mm (0.0146 in.) and 1.19 mm (0.0469 in.).

Subtask 32-11-11-420-053-A ** ON A/C NOT FOR ALL

H. Continue the Installation of the MLG Leg Assembly

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(1) Align the key slot of the lock-washer (17) with the chamfered slot on the nut (18) and install the lock-washer (17).
(2) Align the AIPC 32-11-05-02-015 WIRE (16) with the key slot of the lock-washer (17) and the chamfered slot of the nut (18). Install the wire (16) (in a counterclockwise direction) until the end of the wire (16) engages in the key slot of the locking washer (17).
(3) Do the bonding (Ref. AMM TASK 20-28-00-912-802).
(4) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the wire (16), the lock ring (17), the nut (18) and the washer (19).

NOTE: You must apply the sealant after you assemble the components over the external surfaces only.

(5) Install the half-seals (25) and (26) as follows:

Installation of the Half-Seals ** ON A/C NOT FOR ALL

(a) Put one half of the forward half-seal (25) in position on the top of the pintle pin (20). Make a knot in a piece of WIRE - PLASTIC and put around the groove of the half-seal (25). Pull carefully on the two ends of the string. This will engage the half-seal (25) between the spherical bearing of the MLG rear pintle and the bush of the rear pintle mounting.
(b) Pull carefully on one end of the string and use the knot to turn the half-seal (25) through 180 deg. This will put the half-seal (25) at the bottom of the pintle pin (20). Remove the plastic string.
(c) Put the other half of the forward half-seal (25) in position on the top of the pintle pin (20). Use the plastic string to engage the other half of the half-seal (25) correctly in position. Remove the plastic string.
(d) Put a piece of 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - around the half-seal (25) and twist the ends together to retain the half-seals (25) in position.
(e) Do the procedure again to install the aft half-seals (26).
(6) Install the new AIPC 32-11-05-02-080 O-RINGS (23) on the lubrication fitting (21).
(7) Carefully install the lubrication fitting (21) in the rear pintle pin (20).
(8) Install the bolt (22).
(9) Safety the bolt (22) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(10) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to:

the outer edge of the lubrication fitting (21)
the bolt (22) but not the threads.

(11) Install the torque shaft 6208CM (6258CM) (Ref. AMM TASK 27-54-45-400-004).

Subtask 32-11-11-080-051-A ** ON A/C NOT FOR ALL

I. Removal of the Ground Support Equipment
(1) Remove the 98D32104002000 EQUIPMENT-MLG REMOVAL INSTALLATION or the 98D32104002001 EQUIPMENT-MLG REMOVAL INSTALLATION from the MLG leg assembly as follows:
(a) Disconnect the lifting cables from the lifting beam (105), the forward rail assembly (110) and the aft rail assembly (108).
(b) Disconnect the support cable (112) from the BLUE mini-hoist (113).
(c) Disconnect the support cable (111) from the YELLOW mini-hoist (114).
(d) Disconnect the support cable (111) from the eye-bolt and the support cable (112) from the side stay bracket.
(e) Remove the eye-bolt from the hole in shroud box.
(f) Remove the forward rail assembly (110) and the aft rail assembly (108).
(g) Remove the forward pivot bracket (109) and the rear pivot bracket (107).
(h) Install the blanking plugs as follows:

Blanking Plugs - Removal/Installation ** ON A/C NOT FOR ALL

1 Visually examine the blanking plugs (122) and the washer assemblies (121).
a If you find damage, replace them AIPC 57-51-05-48 .
2 Install the blanking plugs (122) and washer assemblies (121) on the lower wing surface adjacent to the pintle bearings.
3 TORQUE the nut of the washer assemblies (121) to between 1.63 and 0.63 m.N (14.42 and 5.58 lbf.in )

.
(i) Remove the lifting beam (105).
(j) Remove the 98D32104010000 INTERFACE BRACKET (106) from the MLG drag stay.

Subtask 32-11-11-420-053-B ** ON A/C NOT FOR ALL

J. Continue the Installation of the MLG Leg Assembly

(1) Align the key slot of the lock-washer (17) with the chamfered slot on the nut (18) and install the lock-washer (17).
(2) Align the AIPC 32-11-05-06-015 WIRE (16) with the key slot of the lock-washer (17) and the chamfered slot of the nut (18). Install the wire (16) (in a counterclockwise direction) until the end of the wire (16) engages in the key slot of the locking washer (17).
(3) Do the bonding (Ref. AMM TASK 20-28-00-912-802).
(4) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the wire (16), the lock ring (17) and the nut (18).

NOTE: You must apply the sealant after you assemble the components over the external surfaces only.

(5) Install the half-seals (24) and (25) as follows:

Installation of the Half-Seals ** ON A/C NOT FOR ALL

(a) Put one half of the forward half-seal (24) in position on the top of the pintle pin (19). Make a knot in a piece of WIRE - PLASTIC and put around the groove of the half-seal (24). Pull carefully on the two ends of the string. This will engage the half-seal (24) between the spherical bearing of the MLG rear pintle and the bush of the rear pintle mounting.
(b) Pull carefully on one end of the string and use the knot to turn the half-seal (24) through 180 deg. This will put the half-seal (24) at the bottom of the pintle pin (19). Remove the plastic string.
(c) Put the other half of the forward half-seal (24) in position on the top of the pintle pin (19). Use the plastic string to engage the other half of the half-seal (24) correctly in position. Remove the plastic string.
(d) Put a piece of 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - around the half-seal (24) and twist the ends together to retain the half-seals (24) in position.
(e) Do the procedure again to install the aft half-seals (25).
(6) Install the new AIPC 32-11-05-06-080 O-RINGS (22) on the lubrication fitting (20).
(7) Carefully install the lubrication fitting (20) in the rear pintle pin (19).
(8) Install the bolt (21).
(9) Safety the bolt (21) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(10) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to:

the outer edge of the lubrication fitting (20)
the bolt (21) but not the threads.

(11) Install the torque shaft 6208CM (6258CM) (Ref. AMM TASK 27-54-45-400-004).

Subtask 32-11-11-080-051-C ** ON A/C NOT FOR ALL

K. Removal of the Support Equipment
(1) Remove the 98D32104002002 EQUIPMENT MLG, REMOVAL INSTALLATION or the 98D32104002003 EQUIPMENT-MLG, REMOVAL INSTALLATION from the MLG leg assembly as follows:
(a) Disconnect the lifting cables from the lifting beam (105), the forward rail assembly (110) and the aft rail assembly (108).
(b) Disconnect the support cable (112) from the BLUE mini-hoist (113).
(c) Disconnect the support cable (111) from the YELLOW mini-hoist (114).
(d) Disconnect the support cable (111) from the eye-bolt and the support cable (112) from the side stay bracket.
(e) Remove the eye-bolt from the hole in shroud box.
(f) Remove the forward rail assembly (110) and the aft rail assembly (108).
(g) Remove the forward pivot bracket (109) and the rear pivot bracket (107).
(h) Install the blanking plugs as follows:

Blanking Plugs - Removal/Installation ** ON A/C NOT FOR ALL

.
(i) Remove the lifting beam (105).
(j) Remove the 98D32104010000 INTERFACE BRACKET (106) from the MLG drag stay.

Subtask 32-11-11-420-053-G ** ON A/C NOT FOR ALL

L. Continue the Installation of the MLG Leg Assembly

(1) Align the key slot of the lock-washer (17) with the chamfered slot on the nut (18) and install the lock-washer (17).
(2) Align the new AIPC 32-11-05-02-015 WIRE (16) or the new AIPC 32-11-85-01-015 WIRE (16) with the key slot of the lock-washer (17) and the chamfered slot of the nut (18).
(3) Install the wire (16) (in a counterclockwise direction) until the end of the wire (16) engages in the key slot of the locking washer (17).
(4) Do the bonding (Ref. AMM TASK 20-28-00-912-802).
(5) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the wire (16), the lock ring (17), the nut (18) and the washer (19).

NOTE: You must apply the sealant after you assemble the components over the external surfaces only.

(6) Install the half-seals (25) and (26) as follows:

Installation of the Half-Seals ** ON A/C NOT FOR ALL

(a) Put one half of the forward half-seal (25) in position on the top of the pintle pin (20).
(b) Make a knot in a piece of WIRE - PLASTIC and put around the groove of the half-seal (25).
(c) Pull carefully on the two ends of the string. This will engage the half-seal (25) between the spherical bearing of the MLG rear pintle and the bush of the rear pintle mounting.
(d) Pull carefully on one end of the string and use the knot to turn the half-seal (25) through 180 deg. This will put the half-seal (25) at the bottom of the pintle pin (20). Remove the plastic string.
(e) Put the other half of the forward half-seal (25) in position on the top of the pintle pin (20). Use the plastic string to engage the other half of the half-seal (25) correctly in position. Remove the plastic string.
(f) Put a piece of 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - around the half-seal (25) and twist the ends together to retain the half-seals (25) in position.
(g) Do the procedure again to install the aft half-seals (26).
(7) Install the new AIPC 32-11-05-02-080 O-RINGS (23) or the new AIPC 32-11-85-01-080 O-RINGS (23) on the lubrication fitting (21).
(8) Carefully install the lubrication fitting (21) in the rear pintle pin (20).
(9) Install the bolt (22).
(10) Safety the bolt (22) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(11) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to:

The outer edge of the lubrication fitting (21)
The bolt (22) but not the threads.

(12) Install the torque shaft 6208CM (6258CM) (Ref. AMM TASK 27-54-45-400-004).

Subtask 32-11-11-080-051-B ** ON A/C NOT FOR ALL

M. Removal of the Ground Support Equipment
(1) Remove the 98D32104002000 EQUIPMENT-MLG REMOVAL INSTALLATION or the 98D32104002001 EQUIPMENT-MLG REMOVAL INSTALLATION from the MLG leg assembly as follows:
(a) Disconnect the lifting cables from the lifting beam (105), the forward rail assembly (110) and the aft rail assembly (108).
(b) Disconnect the support cable (112) from the BLUE mini-hoist (113).
(c) Disconnect the support cable (111) from the YELLOW mini-hoist (114).
(d) Disconnect the support cable (111) from the eye-bolt and the support cable (112) from the side stay bracket.
(e) Remove the eye-bolt from the hole in shroud box.
(f) Remove the forward rail assembly (110) and the aft rail assembly (108).
(g) Remove the forward pivot bracket (109) and the rear pivot bracket (107).
(h) Install the blanking plugs as follows:

Blanking Plugs - Removal/Installation ** ON A/C NOT FOR ALL

1 Visually examine the blanking plugs (122) and the washer assemblies (121).
a If you find damage, replace them AIPC 57-51-85-48 .
2 Install the blanking plugs (122) and washer assemblies (121) on the lower wing surface adjacent to the pintle bearings.
3 TORQUE the nut of the washer assemblies (121) to between 1.63 and 0.63 m.N (14.42 and 5.58 lbf.in )

.
(i) Remove the lifting beam (105).
(j) Remove the 98D32104010000 INTERFACE BRACKET (106) from the MLG drag stay.

Subtask 32-11-11-420-053-J ** ON A/C NOT FOR ALL

N. Continue the Installation of the MLG Leg Assembly
(1) Prepare the surface of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-803).

(2) Align the key slot of the lock-washer (17) with the chamfered slot on the nut (18) and install the lock-washer (17).
(3) Align the AIPC 32-11-85-01-015 WIRE (16) with the key slot of the lock-washer (17) and the chamfered slot of the nut (18).
(4) Install the wire (16) (in a counterclockwise direction) until the end of the wire (16) engages in the key slot of the locking washer (17).
(5) Do the electrical resistance measurement and the final protection of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-802).
(6) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the items that follow:

The wire (16)
The lock ring (17)
The nut (18).

NOTE: You must apply the sealant after you assemble the components over the external surfaces only.

(7) Install the half-seals (24) and (25) as follows:

Installation of the Half-Seals ** ON A/C NOT FOR ALL

(a) Put one half of the forward half-seal (24) in position on the top of the pintle pin (19).
(b) Make a knot in a piece of WIRE - PLASTIC and put around the groove of the half-seal (24).
(c) Pull carefully on the two ends of the string. This will engage the half-seal (24) between:

The spherical bearing of the MLG rear pintle and the bush of the rear pintle mounting.

(d) Pull carefully on one end of the string and use the knot to turn the half-seal (24) through 180 deg. This will put the half-seal (24) at the bottom of the pintle pin (19). Remove the plastic string.
(e) Put the other half of the forward half-seal (24) in position on the top of the pintle pin (19). Use the plastic string to engage the other half of the half-seal (24) correctly in position. Remove the plastic string.
(f) Put a piece of 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - around the half-seal (24) and twist the ends together to retain the half-seals (24) in position.
(g) Do the procedure again to install the aft half-seals (25).
(8) Install the new AIPC 32-11-85-01-080 O-RINGS (22) on the lubrication fitting (20).
(9) Carefully install the lubrication fitting (20) in the rear pintle pin (19).
(10) Install the bolt (21).
(11) Safety the bolt (21) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(12) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to:

The outer edge of the lubrication fitting (20)
The bolt (21) but not the threads.

(13) Install torque shaft 6208CM (6258CM) (Ref. AMM TASK 27-54-45-400-004).

Subtask 32-11-11-080-051-D ** ON A/C NOT FOR ALL

O. Removal of the Support Equipment
(1) Remove the 98D32104002002 EQUIPMENT MLG, REMOVAL INSTALLATION or the 98D32104002003 EQUIPMENT-MLG, REMOVAL INSTALLATION from the MLG leg assembly as follows:
(a) Disconnect the lifting cables from the lifting beam (105), the forward rail assembly (110) and the aft rail assembly (108).
(b) Disconnect the support cable (112) from the BLUE mini-hoist (113).
(c) Disconnect the support cable (111) from the YELLOW mini-hoist (114).
(d) Disconnect the support cable (111) from the eye-bolt and the support cable (112) from the side stay bracket.
(e) Remove the eye-bolt from the hole in shroud box.
(f) Remove the forward rail assembly (110) and the aft rail assembly (108).
(g) Remove the forward pivot bracket (109) and the rear pivot bracket (107).
(h) Install the blanking plugs as follows:

Blanking Plugs - Removal/Installation ** ON A/C NOT FOR ALL

.
(i) Remove the lifting beam (105).
(j) Remove the 98D32104010000 INTERFACE BRACKET (106) from the MLG drag stay.

Subtask 32-11-11-420-059-B

P. Connection of the System Harness
(1) Remove the CAP-BLANKING from each electrical connector and receptacle.
(2) Connect the electrical connector (2) of the 2M system harness to the outboard electrical interface at the MLG support Rib 5.
(a) Clean the electrical connector (2) with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(3) Apply a continuous layer of Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the electrical connector (2).
(4) Connect the 1M harness to the MLG disconnection box:
(a) Connect the electrical connector (1).
(b) Clean the electrical connector (1) with Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(c) Apply a continuous layer of Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the electrical connector (1).
(d) Carefully put the 1M harness (92) in position and install the upper fairlead (95) with the washer (94) and the screw (93). Tighten the screw (93).
(e) Close the cover (91) and install the screws (90).

Subtask 32-11-11-420-060-D ** ON A/C NOT FOR ALL

Q. Installation of the Bung/Liner Assembly and the Hydraulic Lines
(1) Install the bung (66) into the liner (64).
(2) Make sure that the protective braiding of the 2M harness touches the face of the bung/liner assembly.
(3) Tighten the bolt (65).

CAUTION: MAKE SURE THAT THE FLUID DOES NOT STAY ON THE AIRCRAFT STRUCTURE. IF THE FLUID GETS ON THE AIRCRAFT STRUCTURE, WASH IT OFF IMMEDIATELY WITH SOAP AND WATER.

(4) Remove the PLUG-BLANKING from each disconnected line end.
(5) Connect the hydraulic lines (3) thru (6).
(6) TORQUE the hydraulic lines (3), (4) and (5) to between 32 and 29 m.N (24 and 21 lbf.ft )

.
(7) TORQUE the hydraulic line (6) to between 59 and 54 m.N (43 and 40 lbf.ft )

.
(8) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).

Subtask 32-11-11-420-060-E ** ON A/C NOT FOR ALL

Q. Installation of the Bung/Liner Assembly and the Hydraulic Lines
(1) Install the bung (66) into the liner (64).
(2) Measure dimension X on the 2M harness.
(a) Make sure that dimension X is 345 mm (13.5827 in.).
(3) Tighten the bolt (65).

CAUTION: MAKE SURE THAT THE FLUID DOES NOT STAY ON THE AIRCRAFT STRUCTURE. IF THE FLUID GETS ON THE AIRCRAFT STRUCTURE, WASH IT OFF IMMEDIATELY WITH SOAP AND WATER.

.
(7) TORQUE the hydraulic line (6) to between 59 and 54 m.N (43 and 40 lbf.ft )

.
(8) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).

Subtask 32-11-11-420-051-A

R. Continue the Installation of the MLG Leg Assembly

(1) Install the tie rod (45) for the secondary hinged-fairing as follows:
(a) Put the tie rod (45) between the lugs of the transfer block (51).
(b) Support the tie rod (45). Install the threaded insert (52), the spacer (50), the pin (47), the washer (48) and the bolt (49).
(c) TORQUE the bolt (49) to between 1.97 and 1.3 m.N (17.43 and 11.50 lbf.in )

.
(d) Safety the bolt (49) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(e) Install the nut (46), the bonding strap (55), the washer (53) and the bolt (54) (Ref. AMM TASK 20-28-00-912-802).
(f) Apply a layer of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the heads of the bolts (49) and (54) and the nut (46).
(2) Install the secondary hinged-fairing to the MLG leg assembly (Ref. AMM TASK 32-12-13-400-002).
(a) If a replacement MLG leg assembly is installed, do the dimensional check of the secondary hinged fairing (Ref. AMM TASK 32-12-13-400-001).
(3) Install the MLG side-stay assembly on the MLG leg assembly (Ref. AMM TASK 32-11-16-400-001).
(4) Connect the MLG actuating cylinder to the MLG leg assembly (Ref. AMM TASK 32-31-46-400-001).
(5) If the MLG leg assembly was replaced:
(a) Install the applicable brakes (Ref. AMM TASK 32-42-27-400-001).
(b) Install the applicable MLG wheels (Ref. AMM TASK 32-41-11-400-006).
(c) Install the MLG fixed-fairing assembly (Ref. AMM TASK 32-12-14-400-002).
(6) Lubricate all the MLG leg attachment points to the wing (Ref. AMM TASK 12-22-32-640-001).
(7) Do the replenishment procedure of the MLG shock absorber (Ref. AMM TASK 12-12-32-611-008).

Subtask 32-11-11-870-050-A

S. Bleed the Hydraulic Systems

CAUTION: MAKE SURE THAT THE FLUID DOES NOT STAY ON THE AIRCRAFT STRUCTURE. IF THE FLUID GETS ON THE AIRCRAFT STRUCTURE, WASH IT OFF IMMEDIATELY WITH SOAP AND WATER.

(1) Bleed the normal braking system (Ref. AMM TASK 32-42-00-870-001).
(2) Bleed the alternate braking system (Ref. AMM TASK 32-43-00-870-002).
(3) Remove unwanted hydraulic fluid:
(a) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) , to remove unwanted hydraulic fluid.

Subtask 32-11-11-710-051-A

T. Operational Test
(1) Do an operational check of the normal braking system (Ref. AMM TASK 32-42-00-710-001).
(2) Do an operational check of the alternate braking system (Ref. AMM TASK 32-43-00-710-001).

Subtask 32-11-11-720-051-B

U. Functional Test

CAUTION: DURING THE FUNCTIONAL TEST OF THE TACHOMETERS, MAKE SURE THAT THE OPERATION OF THE BRAKE PISTONS IS CORRECT AND AGREES WITH EACH STEP GIVEN IN THIS TEST: INCORRECT OPERATION OF THE BRAKE PISTONS CAN BE CAUSED BY A BAD OR A CROSSED CONNECTION OF THE TACHOMETERS DURING INSTALLATION, AND CAN CAUSE UNSATISFACTORY BRAKING AND/OR A TIRE BURST DURING AIRCRAFT OPERATION.

(1) Do the two functional tests that follow to make sure that the tachometers and the servo-valves are correctly connected:
(a) Do a functional test of the tachometers with the aircraft integrated data-system (Ref. AMM TASK 32-42-00-720-003).
(b) Do a functional test of the tachometers and the anti-skid system with the normal braking system ON (Ref. AMM TASK 32-42-00-720-002).

Subtask 32-11-11-010-051-A

V. Get Access
(1) Open the NLG doors (Ref. AMM TASK 32-22-00-010-001).
(2) Install the 98D32203502000 SAFETY PIN - NLG DOOR in the linkage of each forward NLG door (Ref. AMM TASK 32-00-00-481-002).
(3) Install the D23080000 PIN-GROUND LOCK,NLG in the NLG lockstay (Ref. AMM TASK 32-00-00-481-002).
(4) Install the safety device on the lockstay of the MLG which is not to be operated (Ref. AMM TASK 32-00-00-481-001).

Subtask 32-11-11-865-052-A

W. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	L/G/Y BRK/PRESS/IND	61GG	C10
** ON A/C ALL
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
** ON A/C NOT FOR ALL
49VU	ABCU &/Y BRK/PRESS IND	61GG	C10
** ON A/C NOT FOR ALL
121VU	LGCIU/BAT SPLY/SYS2	59GA	R33
121VU	LGCIU/BAT SPLY/SYS1	58GA	R32
** ON A/C ALL
121VU	HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY	4GG	M36
121VU	HYDRAULIC/BRAKING AND STEERING/SYS2/CTL	3GG	M35
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/CTL	1GG	M34
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY	2GG	M33
121VU	HYDRAULIC/PARK BRK/CTL/STBY	71GG	N37
121VU	HYDRAULIC/PARK BRK/CTL/NORM	70GG	N36
121VU	HYDRAULIC/LGCIU/SYS2	2GA	Q35
121VU	HYDRAULIC/LGCIU/SYS1/GRND SPLY	52GA	Q34
** ON A/C NOT FOR ALL
121VU	LGCIU/BAT SPLY/SYS2	59GA	R32
121VU	LGCIU/BAT SPLY/SYS1	58GA	R31

Subtask 32-11-11-860-056-A

X. Preparation for Test
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) On panel 40VU, make sure that the PTU-AUTO pushbutton switch is in the OFF position (OFF light is on).
(3) Open the access panel 197CB to get access to the ground connection of the Green Hydraulic system.
(4) Connect the GROUND POWER CART-HYDRAULIC to the ground connection of the Green Hydraulic system.
(5) Close the applicable MLG door (Ref. AMM TASK 32-12-00-410-001).
(6) Make sure that the warning notices are in position to tell persons that the flap system is in operation.
(7) Fully retract the flaps (Ref. AMM TASK 27-50-00-866-009).

Subtask 32-11-11-710-052-A

Y. Test
(1) On panel 400VU, move the landing-gear control-lever 6GA to the UP position.
(2) Retract the applicable MLG leg with the hand pump on the ground hydraulic cart (or use the electric pump set at a low flow rate). Make sure the MLG leg retracts freely to the uplock position.
(3) On panel 400VU, move the landing-gear control-lever 6GA to the DOWN position.
(4) Extend the landing gear with the hand pump on the ground hydraulic cart (or use the electric pump set at a low flow rate). Make sure that the MLG leg extends freely to the downlock position.

Subtask 32-11-11-860-055-A

Z. Aircraft Configuration
(1) Depressurize the Green hydraulic system
(Ref. AMM TASK 29-10-00-864-001).
(2) Depressurize the Green Hydraulic reservoir (Ref. AMM TASK 29-14-00-614-001).
(3) Remove the D23080000 PIN-GROUND LOCK,NLG from the NLG lockstay.
(4) Remove the GROUND LOCK SLEEVE from each MLG lockstay actuator.
(5) Remove the 98D32203502000 SAFETY PIN - NLG DOOR from the linkage of each NLG door.
(6) Close the NLG doors (Ref. AMM TASK 32-22-00-410-001).
(7) Connect the isolation coupling of the PTU (Ref. AMM TASK 29-23-00-860-002).

Subtask 32-11-11-820-050-A ** ON A/C NOT FOR ALL

AA. MLG Clearance check
(1) Do the MLG clearance check (Ref. AMM TASK 32-31-00-820-004).

Subtask 32-11-11-740-050-A

AB. BITE Test
(1) Do a BITE test of the MLG (Ref. AMM TASK 32-69-00-740-001).

Subtask 32-11-11-720-050-A

AC. Test
(1) Do a functional test of the normal extension and retraction (Ref. AMM TASK 32-31-00-720-002).
(2) Do a functional test of the MLG free fall and extension (Ref. AMM TASK 32-33-00-720-001).
(3) Make sure that all the connections you have moved are tightened and that there are no hydraulic leaks.

5. Close-up
Subtask 32-11-11-860-054-A

A. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Disconnect and remove the ground hydraulic cart.
(3) Lower the aircraft off jacks (Ref. AMM TASK 07-11-00-586-002).
(4) If you did not de-energize the aircraft electrical circuits, put the aircraft back to the ground configuration (Ref. AMM TASK 32-00-00-860-002).

Subtask 32-11-11-410-052-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Close the access panel 197CB.
(2) Close the applicable access panel 574AB 674AB (Ref. AMM TASK 57-51-37-400-008).

Subtask 32-11-11-410-052-B ** ON A/C NOT FOR ALL

B. Close Access
(1) Close access panel 197CB.
(2) Install the applicable access panel (Ref. AMM TASK 57-51-37-400-008).
(a) FOR [2501GM] (LEG ASSY-MLG, L)
Install 574AB
(b) FOR [2502GM] (LEG ASSY-MLG, R)
Install 674AB.

Subtask 32-11-11-410-052-C ** ON A/C NOT FOR ALL

B. Close Access
(1) Install the overwing panel protection (Ref. AMM TASK 57-51-42-400-001).
(2) Close the access panel 197CB.
(3) Install the applicable access panel 574AB 674AB (Ref. AMM TASK 57-51-37-400-008).

Subtask 32-11-11-942-050-A

C. Removal of Equipment
(1) Remove the SAFETY BARRIER(S).
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.01 03:58:54 UTC