(c) Tighten the nut (22). Use a torque wrench and crowfoot wrench to make sure the run-on torque is not less than 90 pound-inches. Tighten the nut to a final torque of 1650 |350 pound-inches.
S 434-018
(8)
Put the uplock crank (10) in position on the uplock crank gear (1). Tighten the nut (8) (Detail A).
S 864-019
(9)
Make sure the pressure is removed from the left hydraulic system (AMM 29-11-00/201).
S 094-020
(10)
Remove the caps from the hydraulic lines (2,5) and fittings (3,6).
S 434-021
(11)
Connect the hydraulic lines (2,5) to the actuator fittings (3,6). Tighten the fittings.
S 824-022
(12)
Adjust the doors for the nose landing gear (AMM 32-22-00/501).
S 824-023
(13)
Adjust the door lock release mechanism for the nose landing gear (AMM 32-35-00/501).
S 864-024
(14)
Pressurize the left hydraulic system (AMM 29-11-00/201).
S 094-025
WARNING:_______USE THE PROCEDURE AMM 32-00-15 TO REMOVE THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY OR DAMAGE TO EQUIPMENT.
(15) Remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).
S 494-026
WARNING: MAKE SURE THE DOWNLOCKS ARE INSTALLED ON THE NOSE AND MAIN
_______ LANDING GEAR BEFORE YOU MOVE THE CONTROL LEVER FOR THE LANDING GEAR. IF THE CONTROL LEVER IS MOVED WITHOUT THE DOWNLOCKS INSTALLED, THE LANDING GEAR CAN RETRACT AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(16) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
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S 874-027
(17) Move the control lever for the landing gear from DN to UP three or four times. Return the lever to OFF.
NOTE: When you operate the control lever for the landing gear the
____ door actuator operates. This will bleed the remaining air from the system.
S 494-028
WARNING:_______USE THIS PROCEDURE AMM 32-00-15 TO INSTALL THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(18) Open the doors for the nose landing gear (10) and install the door locks (AMM 32-00-15/201).
NOTE: The doors for the nose and main landing gear open at the same
____
time by ground release.
S 794-029
(19)
Examine the actuator (4) and hydraulic lines (2,5) for hydraulic leaks.
S 614-030
(20)
Make sure the fluid in the hydraulic reservoirs is at the correct level. Fill if it is necessary (AMM 12-12-01/301).
S 094-031
WARNING:_______USE THE PROCEDURE AMM 32-00-15 TO REMOVE THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(21) Remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).
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S 864-056
(22)
Put the control lever for the landing gear to the DN position.
S 864-033
(23)
Remove the power from the hydraulic system if it is not necessary (AMM 29-11-00/201).
S 864-034
(24)
Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
G.
Do an Inspection of the Head End of the Door Actuator
S 284-054
(1) GUN 001-003 WITHOUT SB 32-77; Look at the mark on the head end of the door actuator for the nose landing gear to see if the end cap has moved.
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NOSE GEAR SEQUENCE VALVE BYPASS VALVE - REMOVAL/INSTALLATION
____________________________________________________________
1. General
_______
A. This procedure contains two tasks. The first task is for removal of the sequence valve bypass valve for the nose landing gear. The second task is for installation of the sequence valve bypass valve.
TASK 32-34-04-004-002
2. Remove the Sequence Valve Bypass Valve (Fig. 401)
______________________________________
A. References
(1)
29-11-00/201, Pressurize/Depressurize Main Hydraulic System
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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(85)
