Installation of the Cable Tension Regulator

TASK 27-41-42-400-001-A
Installation of the Cable 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 TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

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	1	ACCESS PLATFORM 6M (20 FT) - ADJUSTABLE
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 0.105 and 0.095 m.daN (9.29 and 8.41 lbf.in )
No specific	Torque wrench: range to between 0.84 and 0.76 m.daN (74.34 and 67.26 lbf.in )
0U190360	1	PIN-RIGGING,THS ACTUATOR,MECHANICAL INPUT LEVER
98D27403500000	1	PITCH TRIM CONTROL LOCKING
98D27407532000	1	RIGGING PIN - THS MECHANICAL CONTROL

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03HBD9)	Synthetic Ester base Grease-General Purpose Low Temp -
(Material No.04QAB2)	Coating_- Flexible Structure
(Material No.05ABF1)	Retaining adhesive-Cylindrical fitting Medium strength Low viscosity -
(Material No.06AAA1)	Polysulfide Sealant_General Purpose Brushable -
(Material No.12AGC2)	Corrosion Preventive Compound-- Soft Film System

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
310	FUSLG TAIL SECTION AFT OF AFT PRESS BHD
311AL, 312AR
231BG, 231JG
241BF, 241FF

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
28	COTTER PINS	AIPC 27-41-42-01-130
16	COTTER PIN	AIPC 27-41-42-01-220

E. 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 27-41-00-220-002-A	Check of the Correct Tension of the THS Mechanical Control Cables
TASK 29-10-00-864-001-A	Depressurize the Green Hydraulic System
TASK 29-10-00-864-002-A	Depressurize the Yellow Hydraulic System
TASK 53-22-12-000-001-A	Removal of the Cabin Floor Panels
TASK 53-22-12-400-001-A	Installation of the Cabin Floor Panels
TASK 53-32-12-000-002-A	Removal of the Cabin Floor Panels
TASK 53-32-12-400-002-A	Installation of the Cabin Floor Panels
Location of the Turnbuckles ** ON A/C NOT FOR ALL
Location of the Turnbuckles ** ON A/C NOT FOR ALL
Cable Tension Regulator

3. Job Set-up
Subtask 27-41-42-860-052-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position below access panel 311AL and access door 312AR.
(2) Make sure that access panel 311AL is removed.
(3) Make sure that access door 312AR is open.
(4) Make sure that floor panels 241FF and 241BF are removed (Ref. AMM TASK 53-32-12-000-002).
(5) Make sure that the locking clips (30) are removed and the turnbuckles (31) are released.

Location of the Turnbuckles ** ON A/C NOT FOR ALL

(6) Make sure that there is no tension on the THS control cables.
(7) Make sure that the Green and the Yellow hydraulic systems are depressurized (Ref. AMM TASK 29-10-00-864-001) (Ref. AMM TASK 29-10-00-864-002).
(8) Make sure that the WARNING NOTICE(S) are in position to tell persons not to pressurize the Green and the Yellow hydraulic systems.
(9) Make sure that the 98D27403500000 PITCH TRIM CONTROL LOCKING is installed in the pitch trim control-wheel.
(10) Make sure that the 0U190360 PIN-RIGGING,THS ACTUATOR,MECHANICAL INPUT LEVER is installed in the mechanical input of the THS actuator.

Subtask 27-41-42-860-052-B ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 6M (20 FT) - ADJUSTABLE is in position.
(2) Make sure that access panel 311AL is removed.
(3) Make sure that access door 312AR is open.
(4) Make sure that floor panels 231BG and 231JG are removed (Ref. AMM TASK 53-22-12-000-001).
(5) Make sure that the locking clips (30) are removed and the turnbuckles (31) are released.

Location of the Turnbuckles ** ON A/C NOT FOR ALL

Subtask 27-41-42-865-052-A

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B11
49VU	FLIGHT CONTROLS/THS/ACTR/MOT2	19CE2	B09
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B06
49VU	FLIGHT CONTROLS/THS/ACTR/MOT2	19CE2	B04
** ON A/C ALL
105VU	FLT CTL/ELAC1/STBY SPLY	16CE1	A01
121VU	FLIGHT CONTROLS/THS ACTR/MOT3	19CE3	Q17
121VU	FLIGHT CONTROLS/THS ACTR/MOT1	19CE1	Q16

Subtask 27-41-42-910-050-A

C. Preparation for the Installation
(1) Examine the cover assembly (1) for damage.
(2) Clean the component interfaces and the adjacent area.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Make sure that the bolts (3), (5), (11), shims (12) and nuts (14) are clean and not damaged.
(5) Examine the regulator (8) and make sure that:

The nuts (7) are not damaged.
The springs (10) are not damaged.
The bushes (19) are tight in the regulator (8).
The pulleys (21) are not damaged.
The pulleys (21) are free to turn in the rocker assembly (15).
The regulator (8) is fully serviceable.

(6) Make sure that the cables (22) are not damaged (Ref. AMM TASK 20-24-12-200-001).
(7) Make sure that there is no corrosion on the cables (22) (Ref. AMM TASK 20-24-11-100-001).
(8) If replaced, prepare the bushes (19) as follows:
(a) Apply Retaining adhesive-Cylindrical fitting Medium strength Low viscosity - (Material No.05ABF1) on the bushes (19) and safety them in the regulator (8).
(b) Seal the bushes (19) with Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) and protect them with Coating_- Flexible Structure (Material No.04QAB2) .
(9) Apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) on the threads of the bolts (3), (5) and (11).
(10) Apply Corrosion Preventive Compound-- Soft Film System (Material No.12AGC2) on the shafts of the bolts (3), (5) and (11).

4. Procedure
Subtask 27-41-42-420-050-A

A. Installation of the Cable Tension Regulator
(1) Install the regulator (8) as follows:
(a) Put the regulator (8) together with the shims (12) in position at the structure interface.
(b) Make sure that the shims (12) are installed in the positions identified during the removal.
(c) Make sure that the cables (22) are correctly installed in the pulley (21).
(d) Install the bolts (11), the washers (13) and the nuts (14) to attach the regulator (8) to the structure.
(2) Install the rocker assembly (15) in the regulator (8).
(a) Put the rocker assembly (15) in position on the cables (22) near the regulator (8).
(b) Make sure that the cables (22) are correctly installed in the grooves of the pulleys (21).
(c) Put the spacers (23) in position and install the screw (25) and the bolt (24).
(d) Install the washers (26) and the nuts (27).
(e) TORQUE the nuts (27) to between 0.105 and 0.095 m.daN (9.29 and 8.41 lbf.in )

and safety them with the new AIPC 27-41-42-01-130 COTTER PINS (28).
(f) Put the bolt (20) through the regulator (8), the bushes (19) and the rocker assembly (15).
(g) Install the washer (18) and the nut (17) on the bolt (20).
(h) TORQUE the nut (17) to between 0.84 and 0.76 m.daN (74.34 and 67.26 lbf.in )

and safety it with the new AIPC 27-41-42-01-220 COTTER PIN (16).
(3) Connect the springs (10) to the bolts (9).
(4) Adjust the turnbuckles (31) until you can easily install the 98D27407532000 RIGGING PIN - THS MECHANICAL CONTROL through the rocker assembly (15) of the regulator.

Location of the Turnbuckles ** ON A/C NOT FOR ALL

(5) Install the cover (2) on the regulator (8).
(a) Put the cover (2) in position on the regulator (8).
(b) Install the bolts (5) and the washers (6) on the connection of the cover (2) and the cover assembly (1).
(c) Install the bolts (3) and the washers (4) on the connection of the cover (2) and the regulator (8).

Subtask 27-41-42-080-050-A

B. Removal of the Rigging Pins
(1) Remove the 0U190360 PIN-RIGGING,THS ACTUATOR,MECHANICAL INPUT LEVER (0U190360) from the mechanical input of the THS actuator.
(2) Remove the 98D27407532000 RIGGING PIN - THS MECHANICAL CONTROL (98D27407532000) from the regulator.
(3) Remove the 98D27403500000 PITCH TRIM CONTROL LOCKING from the pitch trim control wheel.

Subtask 27-41-42-865-051-A

C. 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/ELAC1/NORM/SPLY	15CE1	B11
49VU	FLIGHT CONTROLS/THS/ACTR/MOT2	19CE2	B09
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B06
49VU	FLIGHT CONTROLS/THS/ACTR/MOT2	19CE2	B04
** ON A/C ALL
105VU	FLT CTL/ELAC1/STBY SPLY	16CE1	A01
121VU	FLIGHT CONTROLS/THS ACTR/MOT3	19CE3	Q17
121VU	FLIGHT CONTROLS/THS ACTR/MOT1	19CE1	Q16

Subtask 27-41-42-220-051-A

D. Check Procedure
(1) Do a check of the cable tensions (Ref. AMM TASK 27-41-00-220-002).
(2) Make sure that the locking clips (30) are correctly installed in the turnbuckles (31).

Location of the Turnbuckles ** ON A/C NOT FOR ALL

5. Close-up
Subtask 27-41-42-410-050-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) Install access panel 311AL and close access door 312AR.
(3) Remove the access platform(s).
(4) Install floor panels 241FF and 241BF (Ref. AMM TASK 53-32-12-400-002).
(5) Remove the WARNING NOTICE(S).

Subtask 27-41-42-410-050-B ** 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) Install access panel 311AL and close access door 312AR.
(3) Remove the access platform(s).
(4) Install floor panels 231BG and 231JG (Ref. AMM TASK 53-22-12-400-001).
(5) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 06:53:06 UTC