(10)
Make sure the control lever will not move to UP without lock override operation.
S 715-019
(11)
Operate the lock override and make sure the control lever can be moved to UP.
S 865-020
(12)
Make sure this circuit breaker on the overhead circuit breaker panel, P11, is closed. 11S20, LEVER LOCK
S 865-021
(13)
Move the control lever to DN.
S 865-022
(14)
Make sure the amber GEAR and DOORS lights go out.
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S 865-023
(15)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
S 865-024
(16)
Remove the pressure from the left hydraulic system if it is not necessary (AMM 29-11-00/201).
S 865-025
(17)
Put the airplane back to the ground mode (AMM 32-09-02/201).
S 865-026
(18)
Do the activation procedure for the spoilers if you did the deactivation procedure (AMM 27-61-00/201).
TASK 32-31-00-825-027
3. Adjustment - Landing Gear Control (Fig. 502)
_________________________________
A. General
(1)
Use this procedure to adjust the landing gear extension and retraction control cables to their proper serviceable condition. Internal and external aircraft temperatures must be equal to within 5°F when you do this procedure. The temperatures must be stable for one hour before you do this procedure.
B.
Equipment
(1)
Cable Tensiometer - 0 to 150 pound capacity for
3/32 inch diameter cable (commercially
available)
ú (2) Rig Pin LDG1 - P/N B20003-18, part of kit ú B20003-XX (AMM 20-10-24/201).
C. References
(1)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(2)
AMM 32-00-15/201, Landing Gear Door Locks
(3)
AMM 32-00-20/201, Landing Gear Downlocks
D.
Access
(1)
Location Zones
122 Forward Cargo Compartment (Right)
144 Main Landing Gear Wheel Well (Right)
211 Control Cabin (Left)
212 Control Cabin (Right)
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E. Prepare for Adjustment
S 495-028
(1) Make sure the downlocks for the nose and main landing gear are installed (AMM 32-00-20/201).
S 485-039
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO INSTALL THE DOOR
_______ LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Open the landing gear doors and install the door locks
(AMM 32-00-15/201).
S 865-029
(3)
Remove the pressure from the left hydraulic system
(AMM 29-11-00/201).
F.
Do the Landing Gear Control Cable Adjustment
S 865-030
(1)
Make sure the landing gear control lever is in OFF.
S 495-031
(2)
Put the rig pin LDG1 into the selector valve quadrant (Detail A).
S 825-032
(3)
To adjust new control cables, do the steps that follow to preload and excercise the cables:
(a)
Tighten the cables LGVA and LGVB to 120 | 10 pounds. Adjust the cables so that rig pin LDG1 moves freely when it is put into or removed from the rig pin hole.
(b)
Remove the rig pin LDG1.
(c)
Move the landing gear control lever from UP to DN 25 times to cycle the system to maximum travel limits. Return the lever to OFF.
(d)
Put the rig pin LDG1 into the selector valve quadrant again.
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S 825-033
(4) Tighten cables LGVA and LGVB to a value within the tolerance band of Fig. 503. Adjust the cable turnbuckles so the rig pin LDG1 moves freely when it is put into or removed from the rig pin hole (Detail B).
S 825-034
(5) Make sure that no more than two threads show at the end of turnbuckles when the adjustment is completed.
S 095-035
(6) Remove rig pin LDG1.
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本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 2(37)
