Removal of the Straps

TASK 54-52-82-000-802-A
Removal of the Straps

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: 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.

ZONE: 410
ZONE: 420
ZONE: 470
ZONE: 480
FIN: 4020KM1
FIN: 4020KM2

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)- ADJUSTABLE
No specific	AR	SCRAPER - NON METALLIC
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
410	ENG 1 PYLON BOX AND FORWARD FAIRING
420	ENG 2 PYLON BOX AND FORWARD FAIRING
470	ENGINE 1 AFT PYLON
480	ENGINE 2 AFT PYLON
411AL, 413AL, 413BL, 413CL, 421AL, 423AL, 423BL, 481AL

C. Referenced Information

REFERENCE	DESIGNATION
TASK 54-52-11-000-807-A	Removal of the Access Skin Panels
TASK 54-53-11-000-806-A	Removal of the Pylon-to-Wing Access Panels and Doors
TASK 78-30-00-040-807-A	Deactivation of the Thrust Reverser System for Nacelle Maintenance (ICU)
Straps

3. Job Set-up
Subtask 54-52-82-941-050-A

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put WARNING NOTICE(S) in position to tell persons not to operate the ENG/MODE selector switch and the ENG/MASTER 1(2) control switch.
(2) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).

Subtask 54-52-82-040-050-A

B. Deactivation of the Thrust Reverser

WARNING: MAKE SURE THAT THE THRUST REVERSER IS LOCKED. IF NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE REVERSER.

(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-807).

Subtask 54-52-82-010-050-A

C. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, in zone 410
(b) For the right pylon, in zone 420.
(2) Remove the access skin panels (Ref. AMM TASK 54-52-11-000-807):
(a) For the left pylon: 411AL 413AL 413BL
(b) For the right pylon: 421AL 423AL 423BL.
(3) Remove the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-806):
(a) For the left pylon: 413CL
(b) For the right pylon: 481AL.

Subtask 54-52-82-160-050-A

D. Removal of the Sealant

Straps

(1) Use a SCRAPER - NON METALLIC to remove the sealant between:
(a) The strap (6) and the forward fairing structure
(b) The strap (12) and the forward fairing structure
(c) The strap (13) and the forward fairing structure.

4. Procedure
Subtask 54-52-82-020-050-A

A. Removal of the Straps

Straps

(1) Hold the strap (3) that is installed on the forward fairing structure at RIB02.
(2) Remove the nuts (2).

CAUTION: WHEN YOU REMOVE THE SCREWS, MAKE SURE THAT YOU RECORD THE CORRECT POSITION OF EACH OF THEM. THE SCREWS HAVE DIFFERENT LENGTHS.

(3) Remove the screws (1) and the bolts (4).
(4) Remove the strap (3) from the forward fairing structure at RIB02.
(5) Hold the strap (6) that is installed on the forward fairing structure at RIB04.
(6) Remove the screws (5).
(7) Remove the strap (6) from the forward fairing structure at RIB04.
(8) Hold the strap (12) that is installed on the forward fairing structure adjacent to RIB06.
(9) Remove the nuts (7).

CAUTION: WHEN YOU REMOVE THE SCREWS, MAKE SURE THAT YOU RECORD THE CORRECT POSITION OF EACH OF THEM. THE SCREWS HAVE DIFFERENT LENGTHS.

(10) Remove the bolts (9) and the washers (8).
(11) Remove the bolts (10) and the washers (11).
(12) Remove the strap (12) from the forward fairing structure adjacent to RIB06.
(13) Hold the strap (13) that is installed on the forward fairing structure adjacent to RIB06.
(14) Remove the nuts (20).

CAUTION: WHEN YOU REMOVE THE SCREWS, MAKE SURE THAT YOU RECORD THE CORRECT POSITION OF EACH OF THEM. THE SCREWS HAVE DIFFERENT LENGTHS.

(15) Remove the bolt (16) and the washer (17).
(16) Remove the bolts (15) and the washers (14).
(17) Remove the bolts (18) and the washers (19).
(18) Remove the strap (13) from the forward fairing structure adjacent to RIB06.

[Rev.10 from 2021] 2026.04.01 02:02:14 UTC