Removal of the Torque Shaft

TASK 27-84-45-000-008-A
Removal of the Torque Shaft

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.

WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.

FIN: 6018CM
FIN: 6068CM

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)
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
98D27504030001	1	LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT
98D27803500001	1	LOCKING TOOL ZERO POS
98D27803500002	1	LOCKING TOOL ZERO POS

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
521EB, 521GB, 621EB, 621GB

C. Referenced Information

REFERENCE	DESIGNATION
TASK 27-50-00-400-003-A	Installation of the Lock-Torque Shaft - Flaps and Slats (98D27504030001)
TASK 27-80-00-866-005-A	Retracting the Slats on the Ground
TASK 27-84-44-000-002-A	Removal of the Steady Bearings
TASK 57-41-37-000-004-A	Removal of the Pressure Relief Panels
TASK 57-41-37-000-010-A	Removal of the Access Panel
Torque shafts - Slat Power Transmission
Torque Shafts - Slat Power Transmission

3. Job Set-up
Subtask 27-84-45-941-070-A

A. Safety Precautions
(1) Put the SAFETY BARRIER(S) in position.
(2) Put a WARNING NOTICE(S) in position to tell persons not to operate the slat controls.

Subtask 27-84-45-860-071-A

B. Aircraft Maintenance Configuration
(1) Retract the slats fully (Ref. AMM TASK 27-80-00-866-005).
(2) Make sure that the 98D27803500001 LOCKING TOOL ZERO POS or 98D27803500002 LOCKING TOOL ZERO POS is on the flap/slat control lever on panel 114VU.

Subtask 27-84-45-865-099-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B06
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B01
** ON A/C ALL
121VU	FLIGHT CONTROLS/SLT/CTL/SYS2	7CV	R21

Subtask 27-84-45-010-061-A

D. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT) in position below the applicable access panels 521EB 621EB.
(2) Remove the applicable access panels:

for 6016CM(6066CM), remove 521EB 621EB (Ref. AMM TASK 57-41-37-000-004)
for 6020CM(6070CM), remove 521GB 621GB (Ref. AMM TASK 57-41-37-000-010) .

4. Procedure
Subtask 27-84-45-020-063-A

A. Preparation for Removal
(1) Install a 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT (Ref. AMM TASK 27-50-00-400-003):

on the torque shaft, inboard of the applicable component
on the torque shaft, outboard of the applicable component.

(2) Remove the applicable steady bearing (44) (Ref. AMM TASK 27-84-44-000-002):
(a) FOR [6018CM] (SLAT XMSN TORQUE SHAFT)
remove the steady bearing 6017CM
(b) FOR [6068CM] (SLAT XMSN TORQUE SHAFT)
remove the steady bearing 6067CM.

Subtask 27-84-45-020-057-A

B. Removal of the Torque Shafts 6018CM(6068CM)
(1) Hold the steady bearing (46) and remove the shaft (45).
(2) Remove the applicable steady bearing:
(a) FOR [6018CM] (SLAT XMSN TORQUE SHAFT)
remove 6019CM
(b) FOR [6068CM] (SLAT XMSN TORQUE SHAFT)
remove 6069CM.

[Rev.10 from 2021] 2026.04.01 07:07:52 UTC