Removal of the MLG Free-Fall Extension Cables

TASK 32-33-16-000-002-A
Removal of the MLG Free-Fall Extension Cables

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.

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

REFERENCE	QTY	DESIGNATION
No specific	1	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	WARNING NOTICE(S)
No specific	2	WEDGE - NON METALLIC
98A27801001000	1	RIGGING PIN
98DNSA20208060	1	RIGGING PIN
98DNSA20208150	1	RIGGING PIN

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
822, 824, 825

C. Referenced Information

REFERENCE	DESIGNATION
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 25-54-12-000-001-A	Removal of the Forward Cargo-Compartment Partition
TASK 25-54-12-000-002-A	Removal of the Ceiling Panels in the Forward Cargo Compartment
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 32-12-00-010-001-A	Open the Main Gear Doors for Access
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-41-00-010-002-A	Open the Avionics Compartment Doors for Access
TASK 53-12-11-000-001-A	Removal of the Cockpit Floor Panels from FR1 thru FR12
TASK 53-12-12-000-001-A	Removal of the Cabin Floor Panels from FR12 thru FR24
TASK 53-32-12-000-002-A	Removal of the Cabin Floor Panels
TASK 06-41-53-00	FUSELAGE-DESCRIPTION AND OPERATION
Location of the Rigging Pins ** ON A/C NOT FOR ALL
Location of the Rigging Pins ** ON A/C NOT FOR ALL
Free-Fall Extension Cables - MLG (FR7 to FR41) ** ON A/C NOT FOR ALL
Free-Fall Extension Cables - MLG (FR 7 to FR 41) ** ON A/C NOT FOR ALL
Free-fall Extension Cables - MLG (FR 41 to FR 43)
Free-fall Extension Cables - MLG (FR 41 to FR 43)
Free-Fall Extension Cables - MLG (FR41 to FR43)

3. Job Set-up
Subtask 32-33-16-941-051-A

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

make sure that the landing-gear control-lever is in the DOWN position
put a WARNING NOTICE(S) in position to tell persons not to operate the landing gear.

(4) On panel 110VU, make sure that the GRAVITY GEAR EXTN handle is folded into the center console.
(5) Install a WEDGE - NON METALLIC on each side of the GRAVITY GEAR EXTN handle to lock the handle in position.

Subtask 32-33-16-010-053-A

B. Get Access
(1) Open the MLG doors for access (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the safety devices are installed on each MLG door (Ref. AMM TASK 32-00-00-481-002).
(3) Open avionics compartment doors 822 and 824 for access (Ref. AMM TASK 52-41-00-010-002).
(4) Open forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
(5) Remove the access panels that follow:
For location of the access panels, (Ref. AMM D/O 06-41-53-00).
(a) In zones 131 and 132:
1 Remove the applicable ceiling panels in the forward cargo compartment between FR25 and FR34 (Ref. AMM TASK 25-54-12-000-002).
2 Remove the forward cargo-compartment partition at FR34 (Ref. AMM TASK 25-54-12-000-001).
(b) In zone 212:
1 Remove the applicable cockpit floor panels between FR8 and FR12 (Ref. AMM TASK 53-12-11-000-001).
(c) In zones 222 and 232:
1 Remove the applicable cabin floor panels between FR12 and FR24 (Ref. AMM TASK 53-12-12-000-001).
(d) In zones 241 and 242:
1 Remove the applicable cabin floor panels between FR35 and FR47 (Ref. AMM TASK 53-32-12-000-002).

Subtask 32-33-16-869-054-A

C. Flight Configuration Precautions
(1) If the electrical power is not necessary for other maintenance tasks, de-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002). Then, it is not necessary to operate the LGCIU circuit breakers.
(2) If the electrical power is necessary, do the precautions for flight configuration (Ref. AMM TASK 32-00-00-860-001) before you open the LGCIU circuit breakers.

Subtask 32-33-16-865-053-A

D. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
** 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/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 32-33-16-480-051-A

E. Installation of the Rigging Pins
(1) For the cables (13), (15), (25) and (27):

Location of the Rigging Pins ** ON A/C NOT FOR ALL

Free-Fall Extension Cables - MLG (FR7 to FR41) ** ON A/C NOT FOR ALL

Free-Fall Extension Cables - MLG (FR 7 to FR 41) ** ON A/C NOT FOR ALL

put a 98A27801001000 RIGGING PIN in the position Pin 1
put a 98DNSA20208150 RIGGING PIN in the position Pin 2.

(2) For the cables (37), (38), (39) and (40):

Location of the Rigging Pins ** ON A/C NOT FOR ALL

Free-fall Extension Cables - MLG (FR 41 to FR 43)

Free-Fall Extension Cables - MLG (FR41 to FR43)

put a 98DNSA20208150 RIGGING PIN in the position Pin 2
put a 98DNSA20208060 RIGGING PIN in the applicable position Pin 3.

4. Procedure
Subtask 32-33-16-020-051-A

A. Removal of the MLG Free-Fall Extension Cables (13) and/or (15)

Free-Fall Extension Cables - MLG (FR7 to FR41) ** ON A/C NOT FOR ALL

Free-Fall Extension Cables - MLG (FR 7 to FR 41) ** ON A/C NOT FOR ALL

(1) Remove these items as necessary, the:

cotter pins (8) and (11)
washers (9) and (12)
tubes (7) and (10).

(2) Remove the cable-guide locking-devices (21) and the fairleads (22) for the related cable(s).
(3) Remove the locking clips (24) from the turnbuckles (23).
(4) Loosen the turnbuckles (23) for the cables (13) and (15) until the tension in the cables is released.
(5) On the cable(s) to be removed, continue to loosen the turnbuckle(s) (23) until the cable(s) is/are disconnected.
(6) Temporarily attach the cable(s) (25) and/or (27) to the structure.
(7) Remove the cotter pin(s) (14) for the cable(s) (13) and/or (15).
(8) Release the cable(s) (13) and/or (15) from the pulley (16) and remove it/them from the aircraft.

Subtask 32-33-16-020-052-A

B. Removal of the MLG Free-Fall Extension Cables (25) and/or (27)

Free-Fall Extension Cables - MLG (FR7 to FR41) ** ON A/C NOT FOR ALL

Free-Fall Extension Cables - MLG (FR 7 to FR 41) ** ON A/C NOT FOR ALL

(1) Remove the applicable cable-guard items, the:

nuts (20)
bolts (18)
spacers (19).

(2) Remove the cable-guard(s) (17).
(3) Remove the cable-guide locking-devices (21) and the fairleads (22) for the related cable.
(4) For the cable (27) remove these items at the bracket (2) on FR 12, the:

cotter pin (4)
nut (5)
washer (6)
bolt (1)
spacer (3).

(5) Remove the locking clips (24) from the turnbuckles (23).
(6) Loosen the turnbuckles (23) for the cables (25) and (27) until the tension in the cables is released.
(7) On the cable(s) to be removed, continue to loosen the turnbuckle(s) (23) until the cable(s) is/are disconnected.
(8) Temporarily attach the cable(s) (13) and/or (15) to the structure.
(9) Release the cable(s) (25) and/or (27) from the pulley (26) and remove it/them from the aircraft.

Subtask 32-33-16-020-053-A

C. Removal of the MLG Free-Fall Extension Cables (37) and/or (38)

Free-fall Extension Cables - MLG (FR 41 to FR 43)

Free-Fall Extension Cables - MLG (FR41 to FR43)

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) At the cable pressure seals, remove and discard the locking wire for the bolts (62).
(2) Remove these items from the applicable cable-pressure-seal(s):

the retaining ring (64)
the bolts (62)
the washers (61)
the swivel cable-guides (59).

(3) At the cable pulley brackets remove these items:

the cotter pins (54) and (55)
the washers (53) and (56)
the tubes (52) and (57)
the nut (66), the washer (67) and the guide bolt (68).

(4) Remove the locking clips (42).
(5) Loosen the turnbuckles (41) for the cables (37) and (38) until the tension in the cables is released.
(6) On the cable(s) to be removed, continue to loosen the turnbuckle(s) (41) until the cable(s) is/are disconnected.
(7) Temporarily attach the cable(s) (39) and/or (40) to the structure.
(8) Release the cable(s) (37) and/or (38) from the pulley (65).
(9) Remove the cable(s), the pressure-seal-flanges (58) and (60) and the sleeve (63).

Subtask 32-33-16-020-054-A

D. Removal of the MLG Free-Fall Extension Cables (39) and/or (40)

Free-fall Extension Cables - MLG (FR 41 to FR 43)

(1) At the cable pulley assemblies:
(a) Remove and discard the locking wire for the nuts (87).
(b) Remove and discard the cotter pins (77), (80).
(c) Remove these items:

the washers (76), (79) and the tubes (75), (78)
the nuts (87) and the washers (86)
the cable guard assembly (85)
the pins (84).

(2) When necessary (for RH cables only) release the fairlead(s) (82) from the cover (81) and remove it/them from the cable(s).
(3) Remove the locking clips (42).
(4) Loosen the turnbuckles (41) for the cables (39) and (40) until the tension in the cables is released.
(5) On the cable(s) to be removed, continue to loosen the turnbuckle(s) (41) until the cable(s) is/are disconnected.
(6) Temporarily attach the cable(s) (37) and/or (38) to the structure.
(7) Release the cable(s) (39) and/or (40) from the pulley (83) and remove it/them from the aircraft.

[Rev.10 from 2021] 2026.04.01 00:46:42 UTC