(3)
Put the warning notices in the cockpit to tell persons not to operate the pitch controls.
4. Procedure
_________
(Ref. Fig. 602/TASK 27-44-51-991-008)
Subtask 27-44-51-210-055 R A. Do a visual check of the threaded (fail-safe) nut R (1) Use a FLASHLIGHT and do a visual check of the fail-safe nut (23) from
R the upper side of the nut assembly (8) for:
-cracks,
-corrosion,
-damage.
5. Close-up
________
Subtask 27-44-51-410-054
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access door 312AR.
(3)
Remove the warning notice(s).
(4)
Remove the access platform(s).
TASK 27-44-51-210-003
Check the Indicator of the No-Back Wear Detection-Device of the THS-Actuator
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.
1. Reason for the Job
__________________
Refer to the MPD TASK: 274451-03
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
R No specific flashlight No specific warning notices No specific access platform 5.5 m (18 ft. 1 in.)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
27-44-51-000-001 Removal of the Trimmable Horizontal Stabilizer (THS) Actuator (9CE) 27-44-51-400-001 Installation of the Trimmable Horizontal Stabilizer
(THS) Actuator (9CE)
27-44-51-991-007 Fig. 601
27-44-51-991-009 Fig. 603
3. Job Set-up
__________
(Ref. Fig. 601/TASK 27-44-51-991-007)
Subtask 27-44-51-010-055
A. Get Access
(1)
Put the access platform in position.
(2)
Open the access door 312AR.
(3)
Put the warning notices in the cockpit to tell persons not to operate the pitch controls.
4. Procedure
_________
(Ref. Fig. 603/TASK 27-44-51-991-009)
Subtask 27-44-51-210-056
A. Examine the indicator of the detection device.
(1) Use a flashlight and examine the detection device (30).
(a)
Make sure that the red pop-out (31) is not released.
(b)
If the red pop-out (31) is released, examine the position of the roller (32) on the detection device (30) (Ref. Fig. 603/TASK 27-44-51-991-009)
1 If the roller (32) is in the position "TRIPPED BY VIBRATION",
_ R reset the red pop-out (31): R - Push the roller (32) with a tool, for example a small R screwdriver, in the reset position.
2 If the roller (32) is in the position "TRIPPED BECAUSE OF "NO
_ BACK" WEAR", replace the THS-Actuator (Ref. TASK 27-44-51-000-001) and (Ref. TASK 27-44-51-400-001).
Detection Device - Actuator No-Back Wear
Figure 603/TASK 27-44-51-991-009
1EFF : ALL 1 27-44-51 Page 614
1 1 Feb 01/98
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5. Close-up
________ Subtask 27-44-51-410-055
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access door 312AR.
(3)
Remove the warning notice(s).
(4)
Remove the access platform(s).
TASK 27-44-51-280-001
Check the Integrity of the Ball Screw Shaft (Primary and Secondary Load Paths) of the THS-Actuator
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.
1. Reason for the Job
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