(2)
Remove the warning notice(s).
(3)
Remove the access platform(s).
(4)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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TASK 12-22-27-640-007
Lubrication of the THS Mechanical Control Chains
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.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
1. Reason for the Job
__________________
Refer to the MPD TASK: 274100-03
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific brush
No specific circuit breaker(s) safety clip(s)
No specific fine brush
No specific access platform 2.06 m (6 ft. 9 in.)
No specific access platform 2.8 m (9 ft. 2 in.)
98D27403500000 1 PITCH TRIM CONTROL LOCKING
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 04-004 USA MIL-PRF-23827 TYPE I SYNTH.ESTER BASED GREASE HIGH PRESSURE (Ref. 20-31-00)
Material No. 11-002 USA MIL-PRF-680 DRY CLEANING SOLVENT (VARSOL/WHITE SPIRIT) (Ref. 20-31-00)
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C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-22-27-991-004 Fig. 306 12-22-27-991-005 Fig. 307
3. Job Set-up
__________ Subtask 12-22-27-010-055
A. Get Access
(1)
Put the access platform in position at zone 121.
(a) Open the access door 811.
(2)
Put the access platform in position at zone 312.
(a) Open the access door 312AR. Subtask 12-22-27-860-050
B. Aircraft Maintenance Configuration
(1)
On the center pedestal, make sure that the pitch-trim control-wheels are set to zero.
(2)
Install the PITCH TRIM CONTROL LOCKING (98D27403500000) to lock the pitch control wheels.
Subtask 12-22-27-865-062
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/ELAC1/NORM/SPLY 15CE1 B11
49VU FLIGHT CONTROLS/THS/ACTR/MOT2 19CE2 B09 105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01 121VU FLIGHT CONTROLS/THS ACTR/MOT3 19CE3 Q17 121VU FLIGHT CONTROLS/THS ACTR/MOT1 19CE1 Q16
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Subtask 12-22-27-020-050
D. Removal of the Protective Covers
(Ref. Fig. 306/TASK 12-22-27-991-004)
(1)
Remove the screws (4) and the washers (3).
(2)
Release the fasteners (1) and remove the protective covers (2) and (5).
4. Procedure
_________ (Ref. Fig. 307/TASK 12-22-27-991-005) Subtask 12-22-27-640-056
A. Lubrication of the THS Mechanical Control Chains
(1)
Clean the forward chains (6) and (7) and the aft chain (8) with CLEANING AGENTS (Material No. 11-002) and a fine brush.
(2)
Use a brush to apply COMMON GREASE (Material No. 04-004) to the forward chains (6) and (7) and the aft chain (8).
5. Close-up
________ Subtask 12-22-27-420-050
A. Installation of the Protective Covers
(Ref. Fig. 306/TASK 12-22-27-991-004)
(1)
Install the protective covers (2) and (5).
(2)
Tighten the fasteners (1).
(3) Install the washers (3) and the screws (4). Subtask 12-22-27-865-063
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 15CE1, 16CE1, 19CE1, 19CE2, 19CE3.
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