Removal of the Forward Mount Thrust-Link [PW11]

TASK 71-21-41-000-806-A
Removal of the Forward Mount Thrust-Link

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.

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 1M(3 FT)
98D71203017000	1	THRUST LINK R/I FOR PW

B. Work Zones and Access Panels

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

C. 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 78-30-00-040-805-A	Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-36-00-010-802-A	Opening of the Thrust Reverser Cowl-Doors
Forward Mount Thrust-Link

3. Job Set-up
Subtask 71-21-41-941-064-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).

Subtask 71-21-41-010-087-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the fan cowl doors (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
(2) Put an ACCESS PLATFORM 1M(3 FT) in position.

Subtask 71-21-41-040-064-A ** ON A/C NOT FOR ALL

C. Deactivation of the Thrust Reverser for 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) Do the deactivation of the thrust reverser system for maintenance (Ref. AMM TASK 78-30-00-040-805).

Subtask 71-21-41-010-088-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Open the thrust reverser cowl-doors (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: HOLD THE THRUST LINK TO PREVENT HARD CONTACT WITH THE ENGINE DURING THE STEPS THAT FOLLOW. BE CAREFUL NOT TO CAUSE DAMAGE (SCRATCHES) TO THE ENGINE CASE.

CAUTION: DO NOT USE GREASE OR OIL ON ANY PARTS OF THESE ASSEMBLIES. THIS CAN CAUSE DAMAGE TO THE EQUIPMENT.

Subtask 71-21-41-020-061-A ** ON A/C NOT FOR ALL

A. Preparation before Removal
(1) Install the 98D71203017000 THRUST LINK R/I FOR PW.
(a) Refer to the manufacturer's instructions.

Subtask 71-21-41-020-062-A ** ON A/C NOT FOR ALL

B. Removal of the Forward Mount Thrust-Link

NOTE: These procedures are for the left thrust link. The right side is opposite.

(1) Remove and discard the two cotter pins (6) and (12).
(2) Removal of the thrust link pin on the engine intermediate case side
(a) Remove the nut (5), screw (1) and the two washers (2) and (4).
(b) Remove the pin (3).
(c) Record the location of the pin (3), screw (1) and the two washers (2) and (4). Keep the record for use when you install the thrust link.
(3) Removal of the thrust link pin on the forward mount yoke side
(a) Remove the nut (11), screw (7) and the two washers (8) and (10).
(b) Remove the pin (9).
(c) Record the location of the pin (9), screw (7) and the two washers (8) and (10). Keep the record for use when you install the thrust link.
(4) Remove the thrust link from the engine assembly. Safely support the thrust link and keep it away from the other engine components.

[Rev.10 from 2021] 2026.04.01 02:33:03 UTC