Installation of the TRAS Track Lock Pin Access Panel [PW11]

TASK 78-32-37-400-801-A
Installation of the TRAS Track Lock Pin Access Panel

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

WARNING: WEAR APPLICABLE PERSONAL PROTECTIVE EQUIPMENT (PPE) WHEN YOU DO THIS TASK. BEFORE YOU USE PPE, READ, UNDERSTAND AND OBEY ALL INSTRUCTIONS FOR ITS USE. THESE INSTRUCTIONS INCLUDE INSTRUCTIONS FROM THE MANUFACTURER, YOUR EMPLOYER AND GOVERNMENT REGULATIONS. YOU CAN GET INJURED IF YOU DO NOT USE PPE. GET INSTRUCTIONS FROM YOUR EMPLOYER ON WHICH PPE IS NECESSARY.

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

ZONE: 400

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	SPATULA - PLASTIC
No specific	Torque wrench: range to between 50 and 45 lbf.in (0.57 and 0.51 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.PU1-0001)	cloth
(Material No.PU2-0001)	alcohol, isopropyl
(Material No.PU3-0005)	PR-2001 rapid cure fuel tank sealant
(Material No.PU3-0005A)	sealant
(Material No.PU3-0005B)	sealant
(Material No.PU5-0004)	release agent
(Material No.PU5-0004A)	release agent
(Material No.PU5-0004B)	release agent

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR, 451AL, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR, 461AL, 462AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 71-13-00-010-802-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-802-A	Closing of the Fan Cowl Doors
TASK 78-30-00-040-805-A	Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-30-00-440-805-A	Reactivation of the Thrust Reverser System after Ground Maintenance
TASK 78-36-00-010-802-A	Opening of the Thrust Reverser Cowl-Doors
TASK 78-36-00-410-802-A	Closing of the Thrust Reverser Cowl-Doors
TRAS Track Lock Pin Access Panel

3. Job Set-up
Subtask 78-32-37-941-051-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Make sure that you did the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).

Subtask 78-32-37-010-052-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.

Subtask 78-32-37-040-051-A ** ON A/C NOT FOR ALL

C. Deactivation of the Thrust Reverser System for Ground Maintenance

WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.

(1) Make sure that you did the deactivation of the thrust reverser system for ground maintenance (Ref. AMM TASK 78-30-00-040-805).

Subtask 78-32-37-010-053-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Make sure that the thrust reverser cowl-doors are open (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.

4. Procedure

CAUTION: WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.

Subtask 78-32-37-420-050-A ** ON A/C NOT FOR ALL

A. Installation of the Upper Track Lock Cover

NOTE: The upper track lock cover (2) for the left thrust reverser door is shown. The upper track lock cover (2) for the right thrust reverser door is opposite.

(1) Remove the sealant from the mating surface of the latch beam with the SPATULA - PLASTIC or equivalent.
(2) Clean the mating surfaces with a clean cloth (Material No.PU1-0001) and the PU2-0001alcohol, isopropyl.
(a) Remove the PU2-0001alcohol, isopropyl with a clean cloth (Material No.PU1-0001) before the PU2-0001alcohol, isopropyl becomes dry.
(3) Application of the release agent:

CAUTION: MAKE SURE THAT THE RELEASE AGENT DOES NOT GET ON OTHER AREAS OF THE THRUST REVERSER DOOR. APPLY THE RELEASE AGENT AWAY FROM THE DOOR OR PUT MASKING TAPE ON THE ADJACENT AREAS. IF YOU DO NOT OBEY THESE INSTRUCTIONS, DAMAGE TO THE OTHER SURFACES CAN OCCUR.

(a) Apply two layers of release agent (Material No.PU5-0004) or alternate release agent (Material No.PU5-0004A) or alternate release agent (Material No.PU5-0004B) on the mating surfaces of the upper track lock cover (2).
(b) Let the release agent (Material No.PU5-0004) or alternate fully dry. Refer to the instructions of the manufacturer.
(4) Installation of the upper track lock cover (2):

CAUTION: MAKE SURE THAT THE PIN IN THE UPPER TRACK LOCK COVER POINTS DOWN FOR NORMAL USAGE OF THE THRUST REVERSER DOOR. IF THE PIN POINTS UP, IT WILL PREVENT THE CORRECT OPERATION OF THE THRUST REVERSER SLEEVE.

(a) Install the upper track lock cover (2) on the latch beam with the two bolts (1).
(b) TORQUE the bolts (1) to between 50 and 45 lbf.in (0.57 and 0.51 m.daN )

.
(c) Apply the PR-2001 rapid cure fuel tank sealant (Material No.PU3-0005) or alternate sealant (Material No.PU3-0005A) or alternate sealant (Material No.PU3-0005B) on the gaps between the upper track lock cover (2) and the latch beam. Refer to the instructions of the manufacturer.
(d) Make the PR-2001 rapid cure fuel tank sealant (Material No.PU3-0005) or alternate a smooth, even surface and flush with the upper track lock cover (2) and the latch beam.

5. Close-up
Subtask 78-32-37-410-050-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.

Subtask 78-32-37-440-050-A ** ON A/C NOT FOR ALL

B. Do the reactivation of the thrust reverser system after ground maintenance (Ref. AMM TASK 78-30-00-440-805).

Subtask 78-32-37-410-051-A ** ON A/C NOT FOR ALL

C. Close Access
(1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.02 07:43:34 UTC