Lubrication of the THS Rear Cable (Area of Tension Regulator)

TASK 12-22-27-640-802-A
Lubrication of the THS Rear Cable (Area of Tension Regulator)

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.

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

ZONE: 310

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	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03GBC1)	Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. -
(Material No.03HBD9)	Synthetic Ester base Grease-General Purpose Low Temp -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
310	FUSLG TAIL SECTION AFT OF AFT PRESS BHD
312AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 20-24-11-100-001-A	Cleaning and Protection of the Cables
TASK 20-24-12-200-001-A	Check of the Control Cables
TASK 12-22-00-00	LUBRICATION - DESCRIPTION AND OPERATION
Removal/Installation of the Protective Covers.

3. Job Set-up
Subtask 12-22-27-941-063-A

A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Put a WARNING NOTICE(S) in the cockpit to tell persons not to start the Auxiliary Power Unit (APU).
(3) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the Trimmable Horizontal Stabilizer (THS).

Subtask 12-22-27-865-076-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/THS/ACTR/MOT2	19CE2	B09
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/THS/ACTR/MOT2	19CE2	B04
** ON A/C ALL
121VU	FLIGHT CONTROLS/THS ACTR/MOT3	19CE3	Q17
121VU	FLIGHT CONTROLS/THS ACTR/MOT1	19CE1	Q16

Subtask 12-22-27-010-058-A

C. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at zone 312.
(2) Open the access door 312AR.

4. Procedure
Subtask 12-22-27-020-053-A

A. Removal of the Protective Covers

Removal/Installation of the Protective Covers.

(1) Remove the screws (4) and the washers (3).
(2) Release the fasteners (1) and remove the protective covers (2) and (5).

Subtask 12-22-27-640-063-A

B. Lubrication of the THS Rear Cable (Area of Tension Regulator)
(1) Make sure that the cables (6) and (7) are not damaged (Ref. AMM TASK 20-24-12-200-001).
(2) Clean the control cables (6) and (7) in this area, with a Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Make sure that there is no corrosion on the cables (6) and (7) (Ref. AMM TASK 20-24-11-100-001).
(4) Lubricate the control cables (6) and (7) with Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) .

NOTE: For lubricant grease specification and lubricant requirements, refer to (Ref. AMM D/O 12-22-00-00).

Subtask 12-22-27-420-053-A

C. Installation of the Protective Covers
(1) Install the protective covers (2) and (5).
(2) Tighten the fasteners (1).
(3) Install the washers (3) and the screws (4).

5. Close-up
Subtask 12-22-27-410-059-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the access door 312AR.
(3) Remove the access platform(s).

Subtask 12-22-27-865-077-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/THS/ACTR/MOT2	19CE2	B09
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/THS/ACTR/MOT2	19CE2	B04
** ON A/C ALL
121VU	FLIGHT CONTROLS/THS ACTR/MOT3	19CE3	Q17
121VU	FLIGHT CONTROLS/THS ACTR/MOT1	19CE1	Q16

Subtask 12-22-27-942-062-A

C. Removal of Equipment
(1) Remove the WARNING NOTICE(S).
(2) Remove the safety barriers.
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.02 06:10:28 UTC