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时间:2011-10-30 09:32来源:蓝天飞行翻译 作者:航空
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 (11)
 Do not let the pin come out of the hole.

 S 865-014

 (12)
 Do this procedure until the actuator is adjusted and the clearance at the forward and aft door stops is correct.

 S 435-015

 (13)
 Tighten the jamnut to 75-80 pound feet (Detail B).

 (14)
 Install the lockwire.


 S 435-016
 NOTE: Make sure you align the rod end lock with the slot in the
____
 end of the piston rod.

 S 435-017
 (15)
 Install the parts that follow to connect the rod end of the actuator to the door beam (View A-A):

 (a)  
Pin


 

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A

757
MAINTENANCE MANUAL

 (b)
Spacers

 (c)
Washer

 (d)
Nut

 (e)
Cotter pin


 S 035-018
 (16)
 Remove the test bench from the actuator.

 S 865-019

 (17)
 Make sure the pressure is removed from the left hydraulic system and reservoir (AMM 29-11-00/201).

 S 435-020

 (18)
 Connect the hydraulic lines to the door actuator.

 S 865-021

 (19)
 Pressurize the left hydraulic system (AMM 29-11-00/201).

 S 865-022

 (20)
 Supply electrical power (AMM 24-22-00/201).


 S 865-023
 WARNING: MAKE SURE THE AREA AROUND THE MAIN LANDING GEAR DOOR IS CLEAR
_______ OF PERSONS AND EQUIPMENT BEFORE YOU CLOSE THE DOOR. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (21)
 Make sure the landing gear control lever is in the DN position.

 S 845-024

 (22)
 Move the MAIN GEAR DOOR CLOSE switch on the main W/W electrical service panel, P72, to the DOOR CLOSE position. This closes the main landing gear door.

 S 845-025

 (23)
 Move the washers at the center door stop to get the correct clearance between the door and the door stop bolt (Detail A).


 S 095-087
 WARNING:_______OBEY THE REMOVAL PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
 (24) Remove the door locks and close the doors (AMM 32-00-15/201).
 

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A

757 MAINTENANCE MANUAL
 S 225-085
 (25)
 Make sure the doors of the main landing gear are in tolerance (Fig. 501A).

 G.
Adjust the Main Landing Gear Door (Two-Piece Door)


 S 865-111
 CAUTION: DO NOT USE MORE THAN 1650 PSI HYDRAULIC PRESSURE IN THE DOOR
_______ ACTUATOR WHEN YOU DO THE DOOR ADJUST PROCEDURE THAT FOLLOWS. TOO MUCH HYDRAULIC PRESSURE CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)
Make sure the forward, aft, and tang door stops are installed.

 S 035-090

 (2)
Remove the cotter pins from the forward, aft, and tang door stops.

 S 035-091

 (3)  
Disconnect the hydraulic lines from the door actuator.

 (a)  
Connect the test bench to the door actuator.

 (b)  
Put a plug in the hydraulic lines.

 (c)  
Make sure the hoses from the test bench are clear of the door when the door closes.


 S 095-092
 (4)  Remove the door lock (AMM 32-00-15/201).
 S 985-093
 CAUTION: DO NOT USE A RETRACT PRESSURE MORE THAN 1650 PSI WHEN YOU
 
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