W DOC AIRBUS | AMM A320F

Installation of the MLG Shock Absorber

TASK 32-11-13-400-001-A
Installation of the MLG Shock Absorber

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: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 731
ZONE: 741
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 3M (10 FT)
No specific
1
FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG
No specific
AR
SAFETY BARRIER(S)
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 7.9 and 5.7 m.N (69.91 and 50.44 lbf.in ) T
No specific
Torque wrench: range to between 7.3 and 6.3 m.N (64.60 and 55.75 lbf.in ) T
No specific
Torque wrench: range to between 10 and 8 m.N (88.50 and 70.80 lbf.in ) T
No specific
Torque wrench: range to between 12.5 and 10.0 m.N (110.62 and 88.50 lbf.in ) T
No specific
Torque wrench: range to between 18 and 16 m.N (13.27 and 11.80 lbf.ft ) T
No specific
Torque wrench: range to between 27 and 21 m.N (19.91 and 15.49 lbf.ft ) T
No specific
Torque wrench: range to between 100 and 95 m.N (73.75 and 70.06 lbf.ft ) T
No specific
Torque wrench: range to between 0.73 and 0.63 m.daN (64.60 and 55.75 lbf.in ) T
No specific
Torque wrench: range to between 1.0 and 0.8 m.daN (88.50 and 70.80 lbf.in ) T
No specific
Torque wrench: range to between 1.58 and 1.13 m.daN (139.82 and 100.00 lbf.in ) T
No specific
Torque wrench: range to between 1.8 and 1.5 m.daN (13.27 and 11.06 lbf.ft ) T
No specific
Torque wrench: range to between 2.7 and 2.1 m.daN (19.91 and 15.49 lbf.ft ) T
No specific
Torque wrench: range to between 10.0 and 9.5 m.daN (73.75 and 70.06 lbf.ft ) T
460003180-24
1
RING-KEEP
460006211
1
LIFTING-TACKLE
460006212
1
TROLLEY-BUILD
460006226
1
BULLET-ALIGNMENT
460006465
1
SPANNER-PEG
460007240
1
TROLLEY-BUILD
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.02BBB9)
Mineral Hydraulic Fluid-Damper - -
(Material No.02CBB1)
Mineral Hydraulic Fluid & Additives-Damper Shock Struts -
(Material No.02CCC1)
Mineral Hydraulic Fluid & Additives-Damper Landing Gear -
(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.06AAB1)
Polysulfide Sealant-General Purpose Fillet -
(Material No.06AAC1)
Polysulfide Sealant-General Purpose Interfay -
(Material No.06AAC5)
Polysulfide Sealant-General Purpose Interfay Landing Gear
(Material No.06ABF1)
Polysulfide Sealant-Fuel Tank Quick Curing -
(Material No.06LDG2)
Non Hardening Jointing Putty-High Temp. Area - Structure
(Material No.06LDG6)
Non Hardening Jointing Putty-High Temp. Area - Hydraulic
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.08BBB1)
Non Aqueous Cleaner-- Petroleum Based -
(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
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
8
COTTER PIN
AIPC 32-11-11-52-110
11
TAB-WASHER
AIPC 32-11-11-52-240
47
CUP WASHERS
AIPC 32-11-11-60-050
53
COTTER PINS
AIPC 32-11-11-65-100
54
O-RING
AIPC 32-11-11-65-140
55
BACKING RING
AIPC 32-11-11-65-150
19
COTTER PINS
AIPC 32-11-11-84-075
46
PREFORMED PACKING
AIPC 32-11-13-01-015
40
O-RING
AIPC 32-11-13-01-050
39
BACKING RINGS
AIPC 32-11-13-01-060
35
COTTER PIN
AIPC 32-11-13-01-070
50
PREFORMED PACKING
AIPC 32-11-13-01-140
49
BACKING RINGS
AIPC 32-11-13-01-150
36
SEAL
AIPC 32-11-13-02-150
37
SEAL
AIPC 32-11-13-02-160
8
COTTER PIN
AIPC 32-11-85-52-110
11
TAB WASHERS
AIPC 32-11-85-52-240
47
TAB WASHERS
AIPC 32-11-85-60-050
39
PACKING RETAINER
AIPC 32-11-85-61-050
40
PACKING
AIPC 32-11-85-61-050
39
PACKING RETAINERS
AIPC 32-11-85-61-060
40
PACKINGS
AIPC 32-11-85-61-060
35
COTTER PIN
AIPC 32-11-85-61-070
36
COTTER PIN
AIPC 32-11-85-61-070
49
PACKINGS
AIPC 32-11-85-61-140
48
PACKING RETAINERS
AIPC 32-11-85-61-150
36
PACKING
AIPC 32-11-85-62-150
60
PACKING
AIPC 32-11-85-62-150
37
SEAL
AIPC 32-11-85-62-160
61
SEAL
AIPC 32-11-85-62-160
55
COTTER PINS
AIPC 32-11-85-65-100
51
PACKING RETAINER
AIPC 32-11-85-65-140
52
O-RING
AIPC 32-11-85-65-150
19
COTTER PINS
AIPC 32-11-85-84-075
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 07-11-00-586-002-A
Lowering of the Aircraft for Maintenance Operations
TASK 12-12-32-611-008-A
Hydraulic Replenishment of the MLG Two-Stage Shock Absorber
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 29-10-00-863-001-A
Pressurize the Green Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-863-002-A
Pressurize the Yellow Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-864-001-A
Depressurize the Green Hydraulic System
TASK 29-10-00-864-002-A
Depressurize the Yellow Hydraulic System
TASK 29-14-00-614-001-A
Depressurization of the Hydraulic Reservoirs
TASK 29-14-00-614-002-A
Pressurization of the Hydraulic Reservoirs through the Ground Connector
TASK 29-14-00-614-002-A-01
Pressurization of the Hydraulic Reservoirs with the Auxiliary Power Unit (APU)
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 32-11-13-400-003-A
Installation of the MLG Shock-Absorber Gland-Seals
TASK 32-11-27-400-001-A
Installation of the MLG Torque Links
TASK 32-11-43-400-003-A
Installation of the 1M and 2M Harnesses on the MLG Axle
TASK 32-12-00-010-001-A
Open the Main Gear Doors for Access
TASK 32-31-00-720-002-A
Functional Test of the Normal Extension and Retraction of the Landing Gear
TASK 32-41-11-400-006-A
Installation of the MLG Wheel
TASK 32-42-00-720-002-A
Functional Test of the Tachometers and the Anti-Skid System with the Normal Braking System ON
TASK 32-42-27-400-001-A
Installation of the Brake
TASK 32-42-57-400-001-A
Installation of the Tachometer
TASK 32-42-71-400-001-A
Installation of the MLG Axle Adaptor-Sleeves
TASK 32-46-00-740-001-A
BITE Test of the BSCU
TASK 32-47-00-710-001-A
Operational Test of the Brake Temperature System
TASK 32-48-00-710-001-A
Functional Test of The Brake Cooling System
TASK 32-48-51-400-005-A
Installation of the Fan Assy
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 12-22-00-00
LUBRICATION - DESCRIPTION AND OPERATION
F MLG Two-Stage Shock Absorber ** ON A/C NOT FOR ALL
F MLG Two-Stage Shock Absorber ** ON A/C NOT FOR ALL
F MLG Shock Absorber ** ON A/C NOT FOR ALL
F MLG Shock Absorber ** ON A/C NOT FOR ALL
F MLG Two-Stage Shock Absorber ** ON A/C NOT FOR ALL
F MLG Two-Stage Shock Absorber ** ON A/C NOT FOR ALL
F MLG Two-Stage Shock Absorber ** ON A/C NOT FOR ALL
F MLG Shock-Absorber Main-Fitting ** ON A/C NOT FOR ALL
F 1M and 2M Electrical Harnesses - Location and Detail (Axle Connections)
3. Job Set-up
Subtask 32-11-13-941-054-A
A. Safety Precautions
   (1) Make sure that the SAFETY BARRIER(S) are in position.
   (2) 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.
   (3) Make sure that the WARNING NOTICE(S) are in the cockpit to tell persons not to operate the brakes.
   (4) Make sure that the WARNING NOTICE(S) are on the ground service connections to tell persons not to operate the Green and the Yellow hydraulic systems.
   (5) Make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the landing gear doors.
   (6) Make sure that the safety devices are on the landing gear (Ref. AMM TASK 32-00-00-481-001).
Subtask 32-11-13-869-057-A
B. 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). Then, it is not necessary to operate the LGCIU circuit breakers.
   (2) If electrical power is necessary, make sure that the precautions for flight configuration with electrical power are done (Ref. AMM TASK 32-00-00-860-001) before you open the circuit breakers.
Subtask 32-11-13-865-051-A
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUL/G/LGCIU/SYS1/NORM1GAC09
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS259GAR33
121VULGCIU/BAT SPLY/SYS158GAR32
** ON A/C ALL
121VUHYDRAULIC/BRAKING AND STEERING/SYS2/SPLY4GGM36
121VUHYDRAULIC/BRAKING AND STEERING/SYS2/CTL3GGM35
121VUHYDRAULIC/BRAKING AND STEERING/SYS1/CTL1GGM34
121VUHYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY2GGM33
121VUHYDRAULIC/LGCIU/SYS22GAQ35
121VUHYDRAULIC/LGCIU/SYS1/GRND SPLY52GAQ34
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS259GAR32
121VULGCIU/BAT SPLY/SYS158GAR31
Subtask 32-11-13-860-056-A
D. Aircraft Maintenance Configuration
   (1) Make sure that the ACCESS PLATFORM 3M (10 FT) is in position adjacent to the MLG.
   (2) Make sure that the applicable MLG door is open (Ref. AMM TASK 32-12-00-010-001).
   (3) Make sure that the GROUND LOCK SLEEVE is on the applicable main gear door actuator (Ref. AMM TASK 32-00-00-481-002).
   (4) Make sure that the Yellow and the Green hydraulic systems are depressurized (Ref. AMM TASK 29-10-00-864-001), (Ref. AMM TASK 29-10-00-864-002).
   (5) Make sure the applicable hydraulic reservoirs are depressurized (Ref. AMM TASK 29-14-00-614-001).
4. Procedure
Subtask 32-11-13-560-050-A ** ON A/C NOT FOR ALL
A. Preparation of a Replacement Shock Absorber
   (1) Install the 1M and 2M system harnesses in the axle (Ref. AMM TASK 32-11-43-400-003). Make sure that the cables are in the correct position.
   (2) Install the axle adaptor-sleeves (Ref. AMM TASK 32-42-71-400-001).
   (3) Install the tachometers (Ref. AMM TASK 32-42-57-400-001).
Subtask 32-11-13-560-050-C ** ON A/C NOT FOR ALL
A. Preparation of a Replacement Shock Absorber
   (1) Install the 1M and 2M system harnesses in the axle (Ref. AMM TASK 32-11-43-400-003). Make sure that the cables are in the correct position.
   (2) Install the axle adaptor-sleeves (Ref. AMM TASK 32-42-71-400-001).
   (3) Install the tachometers (Ref. AMM TASK 32-42-57-400-001).
   (4) Install the brake fan assemblies (Ref. AMM TASK 32-48-51-400-005).
Subtask 32-11-13-420-054-C ** ON A/C NOT FOR ALL
B. Preparation for Installation
   (1) Clean the component interfaces and the adjacent areas with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
   (2) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) If necessary, install the new MLG gland-seals (Ref. AMM TASK 32-11-13-400-003).
   (5) Apply Mineral Hydraulic Fluid-Damper - - (Material No.02BBB9) or Mineral Hydraulic Fluid & Additives-Damper Shock Struts - (Material No.02CBB1) or Mineral Hydraulic Fluid & Additives-Damper Landing Gear - (Material No.02CCC1) to:
  • The new packings (40) and (50)
  • The new retainers (39) and (49)
  • The new O-ring seal (54)
  • The new backup-ring (55)
  • The new seals (36) and (37).
   (6) Install the new AIPC 32-11-13-02-150 SEAL (36) and the new AIPC 32-11-13-02-160 SEAL (37) on the shock absorber (1).
   (7) Install the new AIPC 32-11-13-01-140 PREFORMED PACKING (50) and the new AIPC 32-11-13-01-150 BACKING RINGS (49) on the gland housing (51).
   (8) Install the new AIPC 32-11-13-01-050 O-RING (40) and the new AIPC 32-11-13-01-060 BACKING RINGS (39) on the inflation valve assembly (41). Use the 460003180-24 RING-KEEP to get them back to their initial dimensions.
   (9) Install the new AIPC 32-11-13-01-015 PREFORMED PACKING (46) on the charging valve (45).
   (10) Install the new AIPC 32-11-11-65-150 BACKING RING (55) and the new AIPC 32-11-11-65-140 O-RING (54) on the valve stem (56).
   (11) Apply a thin layer of Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) to:
  • The washer (38)
  • The pin (30)
  • The collar (32)
  • The interface and the stem (area N) of the inflation valve assembly (41)
  • The external surface of the gland housing (51) (area M).
   (12) Apply Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the shanks and the threads of the retaining pins (48).
NOTE: For lubricant grease specification and lubrication requirements, (Ref. AMM D/O 12-22-00-00).
   (13) Apply a continuous bead of Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) to the lower shoulder of the gland housing (51).
Subtask 32-11-13-420-054-E ** ON A/C NOT FOR ALL
B. Preparation for Installation
   (1) Clean the component interfaces and the adjacent areas with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
   (2) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) If necessary, install the new MLG gland-seals (Ref. AMM TASK 32-11-13-400-003).
   (5) Apply Mineral Hydraulic Fluid-Damper - - (Material No.02BBB9) or Mineral Hydraulic Fluid & Additives-Damper Shock Struts - (Material No.02CBB1) or Mineral Hydraulic Fluid & Additives-Damper Landing Gear - (Material No.02CCC1) to:
   (6) Install the new seals (36) and (37) on the shock absorber (1).
   (7) Install the new O-rings (50) and the new backing rings (49) on the gland housing (51).
   (8) Install the new O-ring (40) and the new backing rings (39) on the inflation valve assembly (41). Use the 460003180-24 RING-KEEP to get them back to their initial dimensions.
   (9) Install the new AIPC 32-11-13-01-015 PREFORMED PACKING (46) on the charging valve (45).
   (10) Install the new backing ring (55) and the new O-ring (54) the valve stem (56).
   (11) Apply a thin layer of Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) to:
  • The washer (38)
  • The pin (30)
  • The collar (32)
  • The interface and the stem (area N) of the inflation valve assembly (41)
  • The external surface of the gland housing (51) (area M).
   (12) Apply Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the retaining pins (48).
NOTE: For lubricant grease specification and lubrication requirements, (Ref. AMM D/O 12-22-00-00).
   (13) Apply Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the shock-absorber main-fitting bore (area A).
F MLG Shock-Absorber Main-Fitting ** ON A/C NOT FOR ALL
   (14) Wait for 15 minutes and then clean the unwanted Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) from the shock-absorber main-fitting bore (area A) with Textile-Lint free Cotton - (Material No.14SBA1) .
   (15) Apply a continuous bead of Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) to the lower shoulder of the gland housing (51).
Subtask 32-11-13-420-054-H ** ON A/C NOT FOR ALL
B. Preparation for Installation
   (1) Clean the component interfaces and the adjacent areas with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
   (2) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) If necessary, install the new MLG gland-seals (Ref. AMM TASK 32-11-13-400-003).
   (5) Apply Mineral Hydraulic Fluid-Damper - - (Material No.02BBB9) or Mineral Hydraulic Fluid & Additives-Damper Shock Struts - (Material No.02CBB1) or Mineral Hydraulic Fluid & Additives-Damper Landing Gear - (Material No.02CCC1) to:
  • The new O-rings (40), (50) and (54)
  • The new backing rings (39), (49) and (55)
  • The new seals (36) and (37).
   (6) Install the new AIPC 32-11-13-02-150 SEAL (36) and the new AIPC 32-11-13-02-160 SEAL (37) on the shock absorber (1).
   (7) Install the new AIPC 32-11-13-01-140 PREFORMED PACKING (50) and the new AIPC 32-11-13-01-150 BACKING RINGS (49) on the gland housing (51).
   (8) Install the new AIPC 32-11-13-01-050 O-RING (40) and the new AIPC 32-11-13-01-060 BACKING RINGS (39) on the inflation valve assembly (41). Use the 460003180-24 RING-KEEP to get them back to their initial dimensions.
   (9) Install the new AIPC 32-11-13-01-015 PREFORMED PACKING (46) on the charging valve (45).
   (10) Install the new AIPC 32-11-11-65-150 BACKING RING (55) and the new AIPC 32-11-11-65-140 O-RING (54) on the valve stem (56).
   (11) Apply a thin layer of Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) to:
  • The washer (38)
  • The pin (30)
  • The collar (32)
  • The interface and the stem (area N) of the inflation valve assembly (41)
  • The external surface of the gland housing (51) (area M).
   (12) Apply Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the retaining pins (48).
NOTE: For lubricant grease specification and lubrication requirements, (Ref. AMM D/O 12-22-00-00).
   (13) Apply a continuous bead of Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) to the lower shoulder of the gland housing (51).
Subtask 32-11-13-420-054-L ** ON A/C NOT FOR ALL
B. Preparation for Installation
   (1) Clean the component interfaces and the adjacent areas with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
   (2) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) If necessary, install the new MLG gland-seals (Ref. AMM TASK 32-11-13-400-003).
   (5) Apply Mineral Hydraulic Fluid-Damper - - (Material No.02BBB9) or Mineral Hydraulic Fluid & Additives-Damper Shock Struts - (Material No.02CBB1) or Mineral Hydraulic Fluid & Additives-Damper Landing Gear - (Material No.02CCC1) to:
   (6) Install the new seals (36) and (37) on the shock absorber (1).
   (7) Install the new preformed packing (50) and the new retainer packing (49) on the gland housing (51).
   (8) Install the new packing (40) and the new retainers (39) on the inflation valve assembly (41). Use the 460003180-24 RING-KEEP to get them back to their initial dimensions.
   (9) Install the new AIPC 32-11-13-01-015 PREFORMED PACKING (46) on the charging valve (45).
   (10) Install the new backup-ring (55) and the new O-ring seal (54) on the valve stem (56).
   (11) Apply a thin layer of Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) to:
  • The washer (38)
  • The pin (30)
  • The collar (32)
  • The interface and the stem (area N) of the inflation valve assembly (41)
  • The external surface of the gland housing (51) (area M).
   (12) Apply Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the shanks and the threads of the retaining pins (48).
NOTE: For lubricant grease specification and lubrication requirements, (Ref. AMM D/O 12-22-00-00).
   (13) Apply Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the shock-absorber main-fitting bore (area A).

   (14) Wait for 15 minutes and then clean the unwanted Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) from the shock-absorber main-fitting bore (area A) with Textile-Lint free Cotton - (Material No.14SBA1) .
   (15) Apply a continuous bead of Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) to the lower shoulder of the gland housing (51).
Subtask 32-11-13-420-054-M ** ON A/C NOT FOR ALL
B. Preparation for Installation
   (1) Clean the component interfaces and the adjacent areas with Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) .
   (2) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) If necessary, install the new MLG gland-seals (Ref. AMM TASK 32-11-13-400-003).
   (5) Lubricate the new items that follow with Mineral Hydraulic Fluid-Damper - - (Material No.02BBB9) :
   (6) Install the new packing (36) and the new seal (37) on the shock absorber (1).
   (7) Install the new packings (49) and the new packing retainers (48) on the gland housing (50).
   (8) Install the new packing (40) and the new packing retainers (39) on the inflation valve assembly (41). Use the 460003180-24 RING-KEEP to get the new packing (40) and the new packing retainers (39) back to their initial dimensions.
   (9) Install the new packing retainer (51) and the new O-ring (52) on the valve stem (53).
   (10) Apply Non Hardening Jointing Putty-High Temp. Area - Hydraulic (Material No.06LDG6) to:
  • The washer (38)
  • The pin (30)
  • The collar (32)
  • The bolts (5), (12), (15) and (44)
  • The interface and the stem (area N) of the inflation valve assembly (41).
   (11) Apply Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to:
  • The retaining pins (46)
  • The external diameter of the pin (2)
  • The external surface of the gland housing (50) (area M).
NOTE: For lubricant grease specification and lubrication requirements, (Ref. AMM D/O 12-22-00-00).
   (12) Apply a continuous bead of Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) to the lower shoulder of the gland housing (50).
Subtask 32-11-13-420-054-O ** ON A/C NOT FOR ALL
B. Preparation for Installation
   (1) Clean the component interfaces and the adjacent areas with Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) .
   (2) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) If necessary, install the new MLG gland-seals (Ref. AMM TASK 32-11-13-400-003).
   (5) Lubricate the new items that follow with Mineral Hydraulic Fluid-Damper - - (Material No.02BBB9) :
   (6) Install the new packing (60) and the new seal (61) on the shock absorber (1).
   (7) Install the new packings (49) and the new packing retainers (48) on the gland housing (50).
   (8) Install the new packings (40) and the new packing retainer (39) on the inflation valve assembly (41). Use the 460003180-24 RING-KEEP to get the new packings (40) and the new packing retainer (39) back to their initial dimensions.
   (9) Install the new packing retainer (51) and the new O-ring (52) on the valve stem (53).
   (10) Apply Non Hardening Jointing Putty-High Temp. Area - Hydraulic (Material No.06LDG6) to:
  • The washer (38)
  • The pin (30)
  • The collar (33)
  • The bolts (15) and (44)
  • The interface and the stem (area N) of the inflation valve assembly (41).
   (11) Apply Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to:
  • The retaining pins (46)
  • The external surface of the gland housing (50) (area M).
NOTE: For lubricant grease specification and lubrication requirements, (Ref. AMM D/O 12-22-00-00).
   (12) Lubricate the threads of the charging valve (42) with Mineral Hydraulic Fluid-Damper - - (Material No.02BBB9) .
   (13) Apply a continuous bead of Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) to the lower shoulder of the gland housing (50).
Subtask 32-11-13-420-053-K ** ON A/C NOT FOR ALL
C. Installation of the MLG Shock Absorber Assembly
F 1M and 2M Electrical Harnesses - Location and Detail (Axle Connections) ** ON A/C NOT FOR ALL
WARNING: BE CAREFUL WHEN YOU REMOVE OR INSTALL THE MLG SHOCK-ABSORBER. ITS WEIGHT CAN BE AS MUCH AS 118kg (260lb).
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.
WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.
   (1) Install the shock absorber (1) fully in the MLG leg as follows:
     (a) Use the 460006211 LIFTING-TACKLE to lift the shock absorber (1) from the 460006212 TROLLEY-BUILD.
     (b) Put the shock absorber (1) in position on the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG.
     (c) Put the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG below the MLG main fitting.
     (d) Adjust the lift angle of the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG until you can lift the shock absorber (1) along the centerline of the MLG main fitting.
     (e) Install the shock absorber (1) fully in the MLG leg.
   (2) Install the gland housing (51) as follows:
     (a) Install the gland housing (51) in the MLG leg. Use the 460006465 SPANNER-PEG to align the holes in the gland housing (51) with the holes in the MLG leg.
     (b) Install the new AIPC 32-11-11-60-050 CUP WASHERS (47).
     (c) Install the retaining pins (48).
     (d) Make a fillet of Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) between the gland housing (51) and the MLG main fitting.
       1 Use only the sealants that came out when the gland housing (51) was installed. Do not apply more sealant to make the fillet.
     (e) In the steps that follow, make sure that you torque and loosen the retaining pins (48) one at a time:
       1 TORQUE the retaining pins (48) to between 10.0 and 9.5 m.daN (73.75 and 70.06 lbf.ft ) T.
       2 Loosen the retaining pins (48).
       3 TORQUE the retaining pins (48) to between 10.0 and 9.5 m.daN (73.75 and 70.06 lbf.ft ) T.
       4 Do steps 2 and 3 two more times.
     (f) Safety the retaining pins (48) with the cup washers (47).
     (g) Apply Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) around the sides of the retaining pins (48) and the new cup washers (47). Do not put sealant on the greasers and the identification washers of the retaining pins (48).
     (h) Install the washer (38) and the pin (30). Make sure that the cut-away on the pin (30) is at the top and aligns with the anti-rotation pin.
     (i) Install the collar (32), the bolt (31), the washer (33) and the nut (34).
     (j) TORQUE the nut (34) to between 0.73 and 0.63 m.daN (64.60 and 55.75 lbf.in ) T.
     (k) Safety the nut (34) with the new AIPC 32-11-13-01-070 COTTER PIN (35).
   (3) Install the top charging-valve assembly as follows:
     (a) Remove the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG from the shock absorber (1) and carefully let the shock absorber (1) extend fully.
     (b) Carefully put the inflation valve assembly (41) in position and install the spacers (42) and the bolts (43).
     (c) TORQUE the bolts (43) to between 1.8 and 1.5 m.daN (13.27 and 11.06 lbf.ft ) T.
     (d) Install the top charging valve (45) on the inflation valve assembly (41).
     (e) TORQUE the top charging valve (45) to between 1.58 and 1.13 m.daN (139.82 and 100.00 lbf.in ) T.
     (f) Safety the bolts (43) and the top charging valve (45) together with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (4) Install the spare-seal activating-valve assembly as follows:
     (a) Install the valve stem (56) in the housing (52).
     (b) Install the pin (58) and the washers (57).
     (c) Safety the pin (58) with the new AIPC 32-11-11-65-100 COTTER PINS (53).
     (d) Safety the valve stem (56) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (5) Install the lower torque link (3) as follows:
     (a) Release the lower torque link (3) together with:
  • The fitting (9)
  • The electrical harness (14)
  • The flexible hydraulic lines (13).
     (b) Install the spacers (4) and put the lower torque link (3) and the fitting (9) in position.
     (c) Use the 460006226 BULLET-ALIGNMENT to install the pin (2).
     (d) Install the bolt (5), the washer(s) (6) and the nut (7).
NOTE: You can use a maximum of two washers (6) below the nut (7).
     (e) TORQUE the nut (7) to between 2.7 and 2.1 m.daN (19.91 and 15.49 lbf.ft ) T.
     (f) Safety the nut (7) with the new AIPC 32-11-11-52-110 COTTER PIN (8).
     (g) Put the lock plate (10) in position then install the new AIPC 32-11-11-52-240 TAB-WASHER (11) and the bolts (12).
     (h) TORQUE the bolts (12) to between 1.8 and 1.5 m.daN (13.27 and 11.06 lbf.ft ) T.
     (i) Safety the bolts (12) with the tab-washers (11).
   (6) Install the lower slave-link assembly as follows:
     (a) Apply a thin layer of Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) to the interface of the fitting (20) and the shock absorber (1).
     (b) Apply a thin layer of Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) to:
  • The bottom of each bolt head (15)
  • The washers (17).
     (c) Release the lower slave link (21) together with:
  • The fitting (20)
  • The electrical harness (23)
  • The flexible hydraulic lines (22).
     (d) Put the lower slave link (21) and the fitting (20) in position and install the bolts (15).
     (e) Install the sleeves (16), the washers (17) and the nuts (18).
NOTE: You can use a maximum of three washers (17) below each nut (18).
     (f) TORQUE the nuts (18) to between 1.0 and 0.8 m.daN (88.50 and 70.80 lbf.in ) T.
     (g) Safety the nuts (18) with the new AIPC 32-11-11-84-075 COTTER PINS (19).
   (7) TORQUE the bottom charging valve (59) to between 1.58 and 1.13 m.daN (139.82 and 100.00 lbf.in ) T.
   (8) Install the 1M system harness as follows:
     (a) Remove the CAP-BLANKING from each electrical connector and receptacle.
     (b) Make sure that all the electrical connections are clean and in the correct condition.
     (c) Install the electrical connector (83) at the axle interface.
   (9) Install the 2M system harness as follows:
     (a) Remove the CAP-BLANKING from each electrical connector and receptacle.
     (b) Make sure that all the electrical connections are clean and in the correct condition.
     (c) Install the electrical connector (87) at the axle interface (Ref. AMM TASK 32-11-43-400-003).
   (10) Clean the nuts and bolts that you installed with a clean Textile-Lint free Cotton - (Material No.14SBA1) and Non Aqueous Cleaner-General - - (Material No.08BAA9) .
   (11) Apply a layer of Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) to the nuts and bolts that you installed and the areas around them. Make sure that the drain hole below the collar (32) is clear.
   (12) Install the MLG brakes (Ref. AMM TASK 32-42-27-400-001).
   (13) Install the MLG wheels (Ref. AMM TASK 32-41-11-400-006).
   (14) Fill and charge the MLG shock absorber (Ref. AMM TASK 12-12-32-611-008).
Subtask 32-11-13-420-053-M ** ON A/C NOT FOR ALL
C. Installation of the MLG Shock Absorber Assembly
F 1M and 2M Electrical Harnesses - Location and Detail (Axle Connections) ** ON A/C NOT FOR ALL
WARNING: BE CAREFUL WHEN YOU REMOVE OR INSTALL THE MLG SHOCK-ABSORBER. ITS WEIGHT CAN BE AS MUCH AS 118kg (260lb).
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.
WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.
   (1) Install the shock absorber (1) fully in the MLG leg as follows:
     (a) Use the 460006211 LIFTING-TACKLE to lift the shock absorber (1) from the 460007240 TROLLEY-BUILD.
     (b) Put the shock absorber (1) in position on the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG.
     (c) Put the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG below the MLG main fitting.
     (d) Adjust the lift angle of the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG until you can lift the shock absorber (1) along the centerline of the MLG main fitting.
     (e) Install the shock absorber (1) fully in the MLG leg.
   (2) Install the gland housing (51) as follows:
     (a) Install the gland housing (51) in the MLG leg. Use the 460006465 SPANNER-PEG to align the holes in the gland housing (51) with the holes in the MLG leg.
     (b) Install the new AIPC 32-11-11-60-050 CUP WASHERS (47).
     (c) Install the retaining pins (48).
     (d) Make a fillet of Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) between the gland housing (51) and the MLG main fitting.
       1 Use only the sealants that came out when the gland housing (51) was installed. Do not apply more sealant to make the fillet.
     (e) In the steps that follow, make sure that you torque and loosen the retaining pins (48) one at a time:
       1 TORQUE the retaining pins (48) to between 10.0 and 9.5 m.daN (73.75 and 70.06 lbf.ft ) T.
       2 Loosen the retaining pins (48).
       3 TORQUE the retaining pins (48) to between 10.0 and 9.5 m.daN (73.75 and 70.06 lbf.ft ) T.
       4 Do steps 2 and 3 two more times.
     (f) Safety the retaining pins (48) with the cup washers (47).
     (g) Apply Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) around the sides of the retaining pins (48) and the new cup washers (47). Do not put sealant on the greasers and the identification washers of the retaining pins (48).
     (h) Install the washer (38) and the pin (30). Make sure that the cut-away on the pin (30) is at the top and aligns with the anti-rotation pin.
     (i) Install the collar (32), the bolt (31), the washer (33) and the nut (34).
     (j) TORQUE the nut (34) to between 0.73 and 0.63 m.daN (64.60 and 55.75 lbf.in ) T.
     (k) Safety the nut (34) with the new AIPC 32-11-13-01-070 COTTER PIN (35).
   (3) Install the top charging-valve assembly as follows:
     (a) Remove the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG from the shock absorber (1) and carefully let the shock absorber (1) extend fully.
     (b) Carefully put the inflation valve assembly (41) in position and install the spacers (42) and the bolts (43).
     (c) TORQUE the bolts (43) to between 1.8 and 1.5 m.daN (13.27 and 11.06 lbf.ft ) T.
     (d) Install the top charging valve (45) on the inflation valve assembly (41).
     (e) TORQUE the top charging valve (45) to between 1.58 and 1.13 m.daN (139.82 and 100.00 lbf.in ) T.
     (f) Safety the bolts (43) and the top charging valve (45) together with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (4) Install the spare-seal activating-valve assembly as follows:
     (a) Install the valve stem (56) in the housing (52).
     (b) Install the pin (58) and the washers (57).
     (c) Safety the pin (58) with the new AIPC 32-11-11-65-100 COTTER PINS (53).
     (d) Safety the valve stem (56) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (5) Connect the top and bottom torque links (Ref. AMM TASK 32-11-27-400-001).
   (6) Install the lower slave-link assembly as follows:
     (a) Apply a thin layer of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) to the interface of the fitting (20) and the shock absorber (1).
     (b) Apply a thin layer of Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) to:
  • The bottom of each bolt head (15)
  • The washers (17).
     (c) Release the lower slave link (21) together with:
  • The fitting (20)
  • The electrical harness (23)
  • The flexible hydraulic lines (22).
     (d) Put the lower slave link (21) and the fitting (20) in position and install the bolts (15).
     (e) Install the sleeves (16), the washers (17) and the nuts (18).
NOTE: You can use a maximum of three washers (17) below each nut (18).
     (f) TORQUE the nuts (18) to between 1.0 and 0.8 m.daN (88.50 and 70.80 lbf.in ) T.
     (g) Safety the nuts (18) with the new AIPC 32-11-11-84-075 COTTER PINS (19).
   (7) TORQUE the bottom charging valve (59) to between 1.58 and 1.13 m.daN (139.82 and 100.00 lbf.in ) T.
   (8) Install the 1M system harness as follows:
     (a) Remove the CAP-BLANKING from each electrical connector and receptacle.
     (b) Make sure that all the electrical connections are clean and in the correct condition.
     (c) Install the electrical connector (83) at the axle interface.
   (9) Install the 2M system harness as follows:
     (a) Remove the CAP-BLANKING from each electrical connector and receptacle.
     (b) Make sure that all the electrical connections are clean and in the correct condition.
     (c) Install the electrical connector (87) at the axle interface (Ref. AMM TASK 32-11-43-400-003).
   (10) Clean the nuts and bolts that you installed with a clean Textile-Lint free Cotton - (Material No.14SBA1) and Non Aqueous Cleaner-General - - (Material No.08BAA9) .
   (11) Apply a layer of Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) to the nuts and bolts that you installed and the areas around them. Make sure that the drain hole below the collar (32) is clear.
   (12) Install the MLG brakes (Ref. AMM TASK 32-42-27-400-001).
   (13) Install the MLG wheels (Ref. AMM TASK 32-41-11-400-006).
   (14) Fill and charge the MLG shock absorber (Ref. AMM TASK 12-12-32-611-008).
Subtask 32-11-13-420-053-P ** ON A/C NOT FOR ALL
C. Installation of the MLG Shock Absorber Assembly
F 1M and 2M Electrical Harnesses - Location and Detail (Axle Connections) ** ON A/C NOT FOR ALL
WARNING: BE CAREFUL WHEN YOU REMOVE OR INSTALL THE MLG SHOCK-ABSORBER. ITS WEIGHT CAN BE AS MUCH AS 118kg (260lb).
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.
WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.
   (1) Install the shock absorber (1) fully in the MLG leg as follows:
     (a) Use the 460006211 LIFTING-TACKLE to lift the shock absorber (1) from the 460007240 TROLLEY-BUILD.
     (b) Put the shock absorber (1) in position on the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG.
     (c) Put the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG below the MLG main fitting.
     (d) Adjust the lift angle of the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG until you can lift the shock absorber (1) along the centerline of the MLG main fitting.
     (e) Install the shock absorber (1) fully in the MLG leg.
   (2) Install the gland housing (50) as follows:
     (a) Install the gland housing (50) in the MLG leg. Use the 460006465 SPANNER-PEG to align the holes in the gland housing (50) with the holes in the MLG leg.
     (b) Install the new AIPC 32-11-85-60-050 TAB WASHERS (47).
     (c) Install the retaining pins (46).
     (d) Make a fillet of Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) or Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) between the gland housing (50) and the MLG main fitting.
       1 Use only the sealants that came out when the gland housing (50) was installed. Do not apply more sealant to make the fillet.
     (e) In the steps that follow, make sure that you torque and loosen the retaining pins (46) one at a time:
       1 TORQUE the retaining pins (46) to between 100 and 95 m.N (73.75 and 70.06 lbf.ft ) T .
       2 Loosen the retaining pins (46).
       3 Do steps (e) 1_ and 2_ three more times.
       4 TORQUE the retaining pins (46) to between 100 and 95 m.N (73.75 and 70.06 lbf.ft ) T.
     (f) Safety the retaining pins (46) with the tab washers (47).
     (g) Apply Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) or Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) around the sides of the retaining pins (46) and the tab washers (47). Do not put sealant on the greasers and the identification washers of the retaining pins (46).
     (h) Install the washer (38) and the pin (30). Make sure that the cut-away on the pin (30) is at the top and aligns with the anti-rotation pin.
     (i) Install the collar (33), the washer (32), the bolt (31), the washer (34) and the new nut (35).
     (j) TORQUE the nut (35) to between 7.3 and 6.3 m.N (64.60 and 55.75 lbf.in ) T.
     (k) Safety the nut (35) with the new AIPC 32-11-85-61-070 COTTER PIN (36).
   (3) Install the top charging-valve assembly as follows:
     (a) Remove the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG from the shock absorber (1) and carefully let the shock absorber (1) extend fully.
     (b) Carefully put the inflation valve assembly (41) in position and install the spacers (45) and the bolts (44).
     (c) TORQUE the bolts (44) to between 18 and 16 m.N (13.27 and 11.80 lbf.ft ) T.
     (d) Install the charging valve (42) on the inflation valve assembly (41).
     (e) TORQUE the body of the charging valve (42) to between 12.5 and 10.0 m.N (110.62 and 88.50 lbf.in ) T.
     (f) TORQUE the nut of the charging valve (42) to between 7.9 and 5.7 m.N (69.91 and 50.44 lbf.in ) T.
     (g) Safety the bolts (44) and the charging valve (42) together with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (4) Install the spare-seal activating-valve assembly as follows:
     (a) Install the valve stem (53) in the housing (54).
     (b) Install the pin (57) and the washers (56).
     (c) Safety the pin (57) with the new AIPC 32-11-85-65-100 COTTER PINS (55).
   (5) Connect the top and bottom torque links (Ref. AMM TASK 32-11-27-400-001).
   (6) Install the lower slave-link assembly as follows:
     (a) Release the lower slave link (21) together with:
  • The fitting (20)
  • The electrical harness (23)
  • The flexible hydraulic lines (22).
     (b) Put the lower slave link (21) and the fitting (20) in position and install the bolts (15).
     (c) Install the sleeves (16), the washers (17) and the nuts (18).
     (d) TORQUE the nuts (18) to between 10 and 8 m.N (88.50 and 70.80 lbf.in ) T.
     (e) Safety the nuts (18) with the new AIPC 32-11-85-84-075 COTTER PINS (19).
   (7) TORQUE the body of the bottom charging valve (58) to between 12.5 and 10.0 m.N (110.62 and 88.50 lbf.in ) T.
   (8) TORQUE the nut of the bottom charging valve (58) to between 7.9 and 5.7 m.N (69.91 and 50.44 lbf.in ) T.
   (9) Safety the bottom charging valve (58) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (10) Install the 1M system harness as follows:
     (a) Remove the CAP-BLANKING from each electrical connector and receptacle.
     (b) Make sure that all the electrical connections are clean and in the correct condition.
     (c) Install the electrical connector (83) at the axle interface.
   (11) Install the 2M system harness as follows:
     (a) Remove the CAP-BLANKING from each electrical connector and receptacle.
     (b) Make sure that all the electrical connections are clean and in the correct condition.
     (c) Install the electrical connector (87) at the axle interface (Ref. AMM TASK 32-11-43-400-003).
   (12) Clean the nuts and bolts that you installed with a clean Textile-Lint free Cotton - (Material No.14SBA1) and Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) .
   (13) Apply a layer of Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) or Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the nuts and bolts that you installed and the areas around them. Make sure that the drain hole below the collar (33) is clear.
   (14) Install the MLG brakes (Ref. AMM TASK 32-42-27-400-001).
   (15) Install the MLG wheels (Ref. AMM TASK 32-41-11-400-006).
   (16) Fill and charge the MLG shock absorber (Ref. AMM TASK 12-12-32-611-008).
Subtask 32-11-13-420-053-Q ** ON A/C NOT FOR ALL
C. Installation of the MLG Shock Absorber Assembly
F 1M and 2M Electrical Harnesses - Location and Detail (Axle Connections) ** ON A/C NOT FOR ALL
WARNING: BE CAREFUL WHEN YOU REMOVE OR INSTALL THE MLG SHOCK-ABSORBER. ITS WEIGHT CAN BE AS MUCH AS 118kg (260lb).
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.
WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.
   (1) Install the shock absorber (1) fully in the MLG leg as follows:
     (a) Use the 460006211 LIFTING-TACKLE to lift the shock absorber (1) from the 460006212 TROLLEY-BUILD.
     (b) Put the shock absorber (1) in position on the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG.
     (c) Put the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG below the MLG main fitting.
     (d) Adjust the lift angle of the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG until you can lift the shock absorber (1) along the centerline of the MLG main fitting.
     (e) Install the shock absorber (1) fully in the MLG leg.
   (2) Install the gland housing (50) as follows:
     (a) Install the gland housing (50) in the MLG leg. Use the 460006465 SPANNER-PEG to align the holes in the gland housing (50) with the holes in the MLG leg.
     (b) Install the new AIPC 32-11-85-60-050 TAB WASHERS (47).
     (c) Install the retaining pins (46).
     (d) Make a fillet of Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) or Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) between the gland housing (50) and the MLG main fitting.
       1 Use only the sealants that came out when the gland housing (50) was installed. Do not apply more sealant to make the fillet.
     (e) In the steps that follow, make sure that you torque and loosen the retaining pins (46) one at a time:
       1 TORQUE the retaining pins (46) to between 100 and 95 m.N (73.75 and 70.06 lbf.ft ) T.
       2 Loosen the retaining pins (46).
       3 Do the above steps (e) 1 and 2 three more times.
       4 TORQUE the retaining pins (46) to between 100 and 95 m.N (73.75 and 70.06 lbf.ft ) T.
     (f) Safety the retaining pins (46) with the tab washers (47).
     (g) Apply Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) or Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) around the sides of the retaining pins (46) and the new tab washers (47). Do not put sealant on the greasers and the identification washers of the retaining pins (46).
     (h) Install the washer (38) and the pin (30). Make sure that the cut-away on the pin (30) is at the top and aligns with the anti-rotation pin.
     (i) Install the collar (32), the bolt (31), the washers (33) and the nut (34).
     (j) TORQUE the nut (34) to between 7.3 and 6.3 m.N (64.60 and 55.75 lbf.in ) T.
     (k) Safety the nut (34) with the new AIPC 32-11-85-61-070 COTTER PIN (35).
   (3) Install the top charging-valve assembly as follows:
     (a) Remove the FORKLIFT 1000KG (2200 LB), LIFT ANGLE +10 TO -10 DEG from the shock absorber (1) and carefully let the shock absorber (1) extend fully.
     (b) Carefully put the inflation valve assembly (41) in position and install the spacers (45) and the bolts (44).
     (c) TORQUE the bolts (44) to between 18 and 16 m.N (13.27 and 11.80 lbf.ft ) T.
     (d) Install the top charging valve (42) on the inflation valve assembly (41).
     (e) TORQUE the body of the top charging valve (42) to between 12.5 and 10.0 m.N (110.62 and 88.50 lbf.in ) T.
     (f) TORQUE the nut of the top charging valve (42) to between 7.9 and 5.7 m.N (69.91 and 50.44 lbf.in ) T.
     (g) Safety the bolts (44) and the top charging valve (42) together with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (4) Install the spare-seal activating-valve assembly as follows:
     (a) Install the valve stem (53) and the pin (57) in the housing (54).
       1 Make sure that you can see the green band of the stem (53) through the housing (54).
     (b) Safety the valve stem (53) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
       1 Make sure that you can see the green band of the stem (53) through the housing (54).
     (c) Install the washers (56) on the pin (57).
     (d) Safety the pin (57) with the new AIPC 32-11-85-65-100 COTTER PINS (55).
     (e) Make a fillet of Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) or Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) between the pin (57) and the washers (56).
   (5) Install the lower torque link (3) as follows:
     (a) Release the lower torque link (3) together with:
  • The fitting (9)
  • The electrical harness (14)
  • The flexible hydraulic lines (13).
     (b) Install the spacers (4) and put the lower torque link (3) and the fitting (9) in position.
     (c) Use the 460006226 BULLET-ALIGNMENT to install the pin (2).
     (d) Install the bolt (5), the washer(s) (6) and the nut (7).
NOTE: You can use a maximum of two washers (6) below the nut (7).
     (e) TORQUE the nut (7) to between 27 and 21 m.N (19.91 and 15.49 lbf.ft ) T.
     (f) Safety the nut (7) with the new AIPC 32-11-85-52-110 COTTER PIN (8).
     (g) Put the wedge (10) in position and install the new AIPC 32-11-85-52-240 TAB WASHERS (11) and the bolts (12).
     (h) TORQUE the bolts (12) to between 18 and 16 m.N (13.27 and 11.80 lbf.ft ) T.
     (i) Safety the bolts (12) with the tab washers (11).
   (6) Install the lower slave-link assembly as follows:
     (a) Release the lower slave link (21) together with:
  • The fitting (20)
  • The electrical harness (23)
  • The flexible hydraulic lines (22).
     (b) Put the lower slave link (21) and the fitting (20) in position and install the bolts (15).
     (c) Install the sleeves (16), the washers (17) and the nuts (18).
     (d) TORQUE the nuts (18) to between 10 and 8 m.N (88.50 and 70.80 lbf.in ) T.
     (e) Safety the nuts (18) with the new AIPC 32-11-85-84-075 COTTER PINS (19).
   (7) TORQUE the body of the bottom charging valve (58) to between 12.5 and 10.0 m.N (110.62 and 88.50 lbf.in ) T.
   (8) TORQUE the nut of the bottom charging valve (58) to between 7.9 and 5.7 m.N (69.91 and 50.44 lbf.in ) T.
   (9) Safety the bottom charging valve (58) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
   (10) Install the 1M system harness as follows:
     (a) Remove the CAP-BLANKING from each electrical connector and receptacle.
     (b) Make sure that all the electrical connections are clean and in the correct condition.
     (c) Install the electrical connector (83) at the axle interface.
   (11) Install the 2M system harness as follows:
     (a) Remove the CAP-BLANKING from each electrical connector and receptacle.
     (b) Make sure that all the electrical connections are clean and in the correct condition.
     (c) Install the electrical connector (87) at the axle interface (Ref. AMM TASK 32-11-43-400-003).
   (12) Clean the nuts and bolts that you installed with a clean Textile-Lint free Cotton - (Material No.14SBA1) and Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) .
   (13) Apply a layer of Polysulfide Sealant-General Purpose Interfay Landing Gear (Material No.06AAC5) or Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) or Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the nuts and bolts that you installed and the areas around them. Make sure that the drain hole below the collar (32) is clear.
   (14) Install the MLG brakes (Ref. AMM TASK 32-42-27-400-001).
   (15) Install the MLG wheels (Ref. AMM TASK 32-41-11-400-006).
   (16) Fill and charge the MLG shock absorber (Ref. AMM TASK 12-12-32-611-008).
Subtask 32-11-13-860-057-A
D. Preparation For Test
   (1) Energize the aircraft electrical network (Ref. AMM TASK 24-41-00-861-002).
   (2) Pressurize the applicable hydraulic reservoirs (Ref. AMM TASK 29-14-00-614-002).
   (3) Pressurize the Green and the Yellow hydraulic systems (Ref. AMM TASK 29-10-00-863-001), (Ref. AMM TASK 29-10-00-863-002).
Subtask 32-11-13-865-052-A
E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUL/G/LGCIU/SYS1/NORM1GAC09
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS259GAR33
121VULGCIU/BAT SPLY/SYS158GAR32
** ON A/C ALL
121VUHYDRAULIC/BRAKING AND STEERING/SYS2/SPLY4GGM36
121VUHYDRAULIC/BRAKING AND STEERING/SYS2/CTL3GGM35
121VUHYDRAULIC/BRAKING AND STEERING/SYS1/CTL1GGM34
121VUHYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY2GGM33
121VUHYDRAULIC/LGCIU/SYS22GAQ35
121VUHYDRAULIC/LGCIU/SYS1/GRND SPLY52GAQ34
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS259GAR32
121VULGCIU/BAT SPLY/SYS158GAR31
Subtask 32-11-13-790-050-A
F. Leak Test
   (1) Examine the shock absorber (1) for leaks.
Subtask 32-11-13-710-050-A ** ON A/C NOT FOR ALL
G. Operational Test
   (1) Do an operational test of the brake cooling fans (Ref. AMM TASK 32-48-00-710-001).
   (2) Do an operational test of the brake temperature system (Ref. AMM TASK 32-47-00-710-001).
Subtask 32-11-13-710-050-D ** ON A/C NOT FOR ALL
G. Operational Test
   (1) Do an operational test of the brake temperature system (Ref. AMM TASK 32-47-00-710-001).
Subtask 32-11-13-720-050-A
H. 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 a functional test of the tachometers (Ref. AMM TASK 32-42-00-720-002).
   (2) Do a functional test of the landing gear (Ref. AMM TASK 32-31-00-720-002).
Subtask 32-11-13-740-050-A
I. BITE Test
   (1) Do a BITE test of the MLG (Ref. AMM TASK 32-69-00-740-001).
   (2) Do a BITE test of the BSCU (Ref. AMM TASK 32-46-00-740-001).
5. Close-up
Subtask 32-11-13-860-058-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
   (3) Lower the aircraft off jacks (Ref. AMM TASK 07-11-00-586-002).
   (4) If applicable, put the aircraft in the ground configuration (Ref. AMM TASK 32-00-00-860-002).
Subtask 32-11-13-860-058-B ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
   (3) Lower the aircraft off jacks (Ref. AMM TASK 07-11-00-586-002).
   (4) If applicable, put the aircraft in the ground configuration (Ref. AMM TASK 32-00-00-860-002).
Subtask 32-11-13-942-050-A
B. 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 00:40:12 UTC
"Aviabrain" 2025