Installation of the Fairlead

TASK 53-36-11-400-801-A
Installation of the Fairlead

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

ZONE: 140
ZONE: 190

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	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	1	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.04TMM9)	Varnish-- - Structure Legacy
(Material No.06AAE1)	Polysulfide Sealant-General Purpose Smoother -
(Material No.13FBB2)	Paste Adhesive-Epoxy Composite General Use Structure

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
140	CENTER WING
190	BELLY FAIR, AIR CONDITIONING & HYD COMPT

D. Referenced Information

REFERENCE	DESIGNATION
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
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 29-10-00-863-003-A	Pressurize the Blue Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-863-003-A-01	Pressurize the Blue Hydraulic System with the Blue Electric Pump
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 29-10-00-864-003-A	Depressurize the Blue Hydraulic System
TASK 29-23-00-863-001-A	Pressurize the Green Hydraulic System from the Yellow Hydraulic System through the PTU with the Electric Pump
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
Fairlead

3. Job Set-up
Subtask 53-36-11-860-050-A

A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the MLG doors are opened (Ref. AMM TASK 32-12-00-010-001).
(3) Make sure that the green, blue and yellow hydraulic systems are depressurized (Ref. AMM TASK 29-10-00-864-001), (Ref. AMM TASK 29-10-00-864-002) and (Ref. AMM TASK 29-10-00-864-003).
(4) Make sure that the WARNING NOTICE(S) is in position.
(5) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position.

Subtask 53-36-11-865-051-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
121VU	HYDRAULIC/LGCIU/SYS2	2GA	Q35
121VU	HYDRAULIC/LGCIU/SYS1/GRND SPLY	52GA	Q34

4. Procedure
Subtask 53-36-11-420-050-A

A. Installation of the Fairlead
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) If the identification plates (8) are removed:
(a) Install the identification plates (8).
(b) Apply Paste Adhesive-Epoxy Composite General Use Structure (Material No.13FBB2) on the identification plates (8).
(c) Apply Varnish-- - Structure Legacy (Material No.04TMM9) on the identification plates (8).
(4) Apply Polysulfide Sealant-General Purpose Smoother - (Material No.06AAE1) on the fairlead (2).
(5) Put the fairlead (2) in position on the pressure plate (1). Refer to the identification made during the removal procedure.
(6) Install the plate (3) on the fairlead (2).
(7) Install the washers (4) and (7) and the screws (5) and (6).
(8) When you install the screw (6), do an electrical bonding (Ref. AMM TASK 20-28-00-912-802).
(9) Tighten the screws (5) and (6).

5. Close-up
Subtask 53-36-11-865-052-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
121VU	HYDRAULIC/LGCIU/SYS2	2GA	Q35
121VU	HYDRAULIC/LGCIU/SYS1/GRND SPLY	52GA	Q34

Subtask 53-36-11-410-050-A

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
(3) Pressurize the Green, Blue, Yellow hydraulic systems (Ref. AMM TASK 29-23-00-863-001) or (Ref. AMM TASK 29-10-00-863-001), (Ref. AMM TASK 29-10-00-863-002) and (Ref. AMM TASK 29-10-00-863-003).
(4) Remove the WARNING NOTICE(S).
(5) Remove the access platform(s).
(6) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

Subtask 53-36-11-862-050-A

C. Put the aircraft back to its initial configuration.
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.02 06:29:13 UTC