W DOC AIRBUS | AMM A320F

Lubrication of THS Mechanical Control Chains and Rear Cable (Area of Tension Regulator) with Grease Mat.

TASK 12-22-27-640-007-A
Lubrication of THS Mechanical Control Chains and Rear Cable (Area of Tension Regulator) with Grease Mat.

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: 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.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 120
ZONE: 210
ZONE: 310
1. Reason for the Job
Refer to the MPD TASK: 274100-03
LUBRICATION OF THS MECHANICAL CONTROL CHAINS AND REAR CABLE (AREA OF TENSION REGULATOR) WITH GREASE MAT.
NOTE: The effectivity of this task is "ALL". To know if this task is applicable to your aircraft, refer to the MPD task applicability.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
AR
ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific
AR
BRUSH - BRISTLED
No specific
AR
CAP - BLANKING
No specific
AR
GUN - SPRAY
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
98D27403500000
1
PITCH TRIM CONTROL LOCKING
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.03HBD9)
Synthetic Ester base Grease-General Purpose Low Temp -
(Material No.08BBB1)
Non Aqueous Cleaner-- Petroleum Based -
(Material No.12AGC2)
Corrosion Preventive Compound-- Soft Film System
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
120
AVIONICS COMPARTMENT
210
CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
310
FUSLG TAIL SECTION AFT OF AFT PRESS BHD
312AR, 811
 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 22-82-12-000-001-A
Removal of the Multipurpose Control & Display Unit (MCDU)
TASK 22-82-12-400-002-A
Installation of the Multipurpose Control & Display Unit (MCDU)
TASK 23-13-13-000-001-A
Removal of the Radio Management Panel (RMP)
TASK 23-13-13-400-001-A
Installation of the Radio Management Panel (RMP)
TASK 23-51-12-000-001-A
Removal of the Audio Control Panel (ACP)
TASK 23-51-12-400-001-A
Installation of the Audio Control Panel (ACP)
TASK 29-24-00-863-001-A
Pressurize the Yellow Hydraulic System with the Electric Pump
TASK 29-24-00-864-001-A
Depressurize the Yellow Hydraulic System
TASK 31-10-00-700-001-A
Test Program after Removal/Installation of a VU Panel
TASK 34-41-12-000-001-A
Removal of the Weather-Radar Control Unit
TASK 34-41-12-400-001-A
Installation of the Weather-Radar Control Unit
TASK 12-22-00-00
LUBRICATION - DESCRIPTION AND OPERATION
F Protective Covers
F Panel 111VU
F Lateral Panel
F Control Chains and Rear Cable
3. Job Set-up
Subtask 12-22-27-010-055-A
A. Get Access
   (1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below access door 811.
   (2) Open access door 811.
   (3) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at access door 312AR.
   (4) Open access door 312AR.
Subtask 12-22-27-941-062-A
B. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) On the overhead panel, on the APU section of panel 25VU, put a WARNING NOTICE(S) in position on the MASTER SW and START pushbutton switches to tell persons not to start the APU.
   (3) On the center pedestal:
     (a) Make sure that the pitch-trim control wheels are set to 0°.
     (b) Put a WARNING NOTICE(S) in position to tell persons not to operate the pitch-trim control wheels.
Subtask 12-22-27-865-062-A
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B11
49VUFLIGHT CONTROLS/THS/ACTR/MOT219CE2B09
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B06
49VUFLIGHT CONTROLS/THS/ACTR/MOT219CE2B04
** ON A/C ALL
105VUFLT CTL/ELAC1/STBY SPLY16CE1A01
121VUFLIGHT CONTROLS/THS ACTR/MOT319CE3Q17
121VUFLIGHT CONTROLS/THS ACTR/MOT119CE1Q16
Subtask 12-22-27-020-050-A
D. Aircraft Maintenance Configuration
   (1) Remove the protective covers (2) and (5):

F Protective Covers
     (a) Remove the screws (4) and the washers (3).
     (b) Release the fasteners (1) and remove the protective covers (2) and (5).
   (2) On the left side of the center pedestal, remove the equipment that follow:
     (a) Remove Multipurpose Control & Display Unit (MCDU) [3CA1] (Ref. AMM TASK 22-82-12-000-001).
     (b) Remove Radio Management Panel (RMP) [1RG1] (Ref. AMM TASK 23-13-13-000-001).
     (c) Remove Audio Control Panel (ACP) [2RN1] (Ref. AMM TASK 23-51-12-000-001).
     (d) Remove Weather Radar (WXR) control unit [3SQ] (Ref. AMM TASK 34-41-12-000-001).
     (e) Remove panel [111VU] :

F Panel 111VU
       1 Release the fasteners of the panel (21) and disengage the panel (21) from its housing.
       2 Disconnect the electrical connector (23) from the electrical receptacle (22).
       3 Remove the panel (21).
       4 Put the CAP - BLANKING on the electrical connector (23) and the electrical receptacle (22).
     (f) Remove the lateral panel (43):

F Lateral Panel
       1 Remove the screws (42) and the washers (41).
       2 Remove the lateral panel (43).
4. Procedure
Subtask 12-22-27-640-068-A
A. Lubrication of the THS Mechanical Control-Chain in the Center Pedestal
   (1) Pressurize the Yellow hydraulic system
(Ref. AMM TASK 29-24-00-863-001).
   (2) Turn the pitch-trim control wheels from stop end +4° to stop end -13.5° and do the subsequent steps:
     (a) Clean the forward chain (6) with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) and an applicable BRUSH - BRISTLED.
     (b) Use an applicable BRUSH - BRISTLED to apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the forward chains (6).

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).
Subtask 12-22-27-640-070-A
B. Lubrication of the THS Mechanical Control-Chains below the Center Pedestal
   (1) Turn the pitch-trim control wheels to stop end +4°.
   (2) Install the 98D27403500000 PITCH TRIM CONTROL LOCKING on the pitch-trim control wheels.
   (3) Depressurize the Yellow hydraulic system
(Ref. AMM TASK 29-24-00-864-001).
   (4) On an area of approximately 600 mm (23.6221 in.) and around the sprocket:
     (a) Clean the forward chains (6) and (7) with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) and an applicable BRUSH - BRISTLED.
     (b) Use an applicable BRUSH - BRISTLED to apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the forward chains (6) and (7).

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).
NOTE: It is recommended that the same person does these actions:
  • Clean and lubricate the forward chains (6) and (7).
  • Turn the pitch-trim control wheels during the cleaning and lubrication of the forward chains (6) and (7) below the center pedestal.
   (5) Pressurize the Yellow hydraulic system
(Ref. AMM TASK 29-24-00-863-001).
   (6) Remove the 98D27403500000 PITCH TRIM CONTROL LOCKING from the pitch-trim control wheels.
   (7) Turn the pitch-trim control wheels to -5°.
   (8) Install the 98D27403500000 PITCH TRIM CONTROL LOCKING on the pitch-trim control wheels.
   (9) On the remaining part:
     (a) Clean the forward chains (6) and (7) with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) and an applicable BRUSH - BRISTLED.
     (b) Use an applicable BRUSH - BRISTLED to apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the forward chains (6) and (7).

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).
NOTE: It is recommended that the same person does these actions:
  • Clean and lubricate the forward chains (6) and (7).
  • Turn the pitch-trim control wheels during the cleaning and lubrication of the forward chains (6) and (7) below the center pedestal.
   (10) On the center pedestal:
     (a) Remove the 98D27403500000 PITCH TRIM CONTROL LOCKING from the pitch-trim control wheels.
     (b) Turn the pitch-trim control wheels to 0°.
Subtask 12-22-27-640-056-A
C. Lubrication of the THS Mechanical Control Chain at Zone 310
   (1) Clean the aft chain (8) with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) and an applicable BRUSH - BRISTLED.
   (2) Use an applicable BRUSH - BRISTLED to apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the aft chain (8).

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).
Subtask 12-22-27-640-062-A
D. Lubrication of the THS Rear Cable (Area of Tension Regulator)
   (1) Clean the control cables (9) and (10) in this area with Textile-Lint free Cotton - (Material No.14SBA1) and Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) . Make sure that all the grease is removed.
   (2) Make sure that there is no damage or corrosion on the control cables (9) and (10) (Ref. AMM TASK 20-24-12-200-001).
   (3) Use a GUN - SPRAY or a BRUSH - BRISTLED to apply Corrosion Preventive Compound-- Soft Film System (Material No.12AGC2) on the cables (9) and (10) (Ref. AMM TASK 20-24-11-100-001).
   (4) Lubricate the control cables (9) and (10) with Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) .

NOTE: For lubricant grease specification and lubrication requirements, refer to (Ref. AMM D/O 12-22-00-00).
5. Close-up
Subtask 12-22-27-420-050-A
A. Put the aircraft back to its initial configuration.
   (1) Install the protective covers (2) and (5):

F Protective Covers
     (a) Install the protective covers (2) and (5).
     (b) Tighten the fasteners (1).
     (c) Install the washers (3) and the screws (4).
   (2) On the left side of the center pedestal, install the equipment that follow:
     (a) Install MCDU [3CA1] (Ref. AMM TASK 22-82-12-400-002).
     (b) Install RMP [1RG1] (Ref. AMM TASK 23-13-13-400-001).
     (c) Install ACP [2RN1] (Ref. AMM TASK 23-51-12-400-001).
     (d) Install WXR control unit [3SQ] (Ref. AMM TASK 34-41-12-400-001).
     (e) Install panel [111VU] :

F Panel 111VU
       1 Remove the CAP - BLANKING from the electrical connector (23) and the electrical receptacle (22).
       2 Connect the electrical connector (23) to the electrical receptacle (22).
       3 Install the panel (21).
       4 Fully tighten the fasteners of the panel (21).
     (f) Install the lateral panel (43):

F Lateral Panel
       1 Install the lateral panel (43).
       2 Install the screws (42) and the washers (41).
       3 Tighten the screws (42).
Subtask 12-22-27-865-063-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B11
49VUFLIGHT CONTROLS/THS/ACTR/MOT219CE2B09
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B06
49VUFLIGHT CONTROLS/THS/ACTR/MOT219CE2B04
** ON A/C ALL
105VUFLT CTL/ELAC1/STBY SPLY16CE1A01
121VUFLIGHT CONTROLS/THS ACTR/MOT319CE3Q17
121VUFLIGHT CONTROLS/THS ACTR/MOT119CE1Q16
Subtask 12-22-27-710-053-A
C. Test
   (1) Do the operational test of panel [111VU] (Ref. AMM TASK 31-10-00-700-001).
Subtask 12-22-27-942-057-A
D. Put the aircraft back to the serviceable condition.
   (1) Depressurize the Yellow hydraulic system
(Ref. AMM TASK 29-24-00-864-001).
   (2) Remove the WARNING NOTICE(S).
   (3) Remove the SAFETY BARRIER(S).
Subtask 12-22-27-410-055-A
E. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close access door 312AR.
   (3) Close access door 811.
   (4) Remove the access platform(s).
[Rev.10 from 2021] 2026.03.31 22:56:38 UTC
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