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(4) Move the sequencing control rod aft until the drive faces on the input and output cranks touch (Detail D).
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(5) Increase or decrease the length of the safety valve control rod if it is necessary. Make the adjustment to put the ON indicator mark at the limit of the counter-clockwise edge of the tolerance range. Increase the length of the control rod by 1/2 turn. (a) Loosen the jamnut. (b) Increase or decrease the length of the control rod if it is
(c) (d) (e) necessary.Make sure you can see the threads on the rod end through the inspection hole. At least one-half of what you see through the inspection hole should be threads.Tighten the jamnut to 50-75 pound-inches.Apply antiseize compound to the threads that are in the open.
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(6) Move the sequencing control rod forward to engage the latch in the cam on the sequencing crank. Put the pin through the door lock holes in the latch and bracket.
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(7) Move the control rod that releases the lock on the door actuator to the left left until the drive faces on the sequencing and output cranks touch (Detail C).
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(8) Adjust the length of the control rod that releases the lock on the door actuator. Align the centerline of the slot in the door actuator unlock crank with the centerline of the rigging mark on the door actuator unlock lever. The slot and the rigging mark must be less than 0.01 inch apart (View C-C). (a) Loosen the jamnut. (b) Increase or decrease the length of the control rod if it is
(c) (d) (e) necessary.Make sure you can see threads on the end of the control rod through the inspection hole. At least half of what you see through the inspection hole must be threads.Tighten the jamnut to 50-75 pound-inches.Apply an antiseize compound to the threads that are in the
open.
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(9) Adjust the return stop bolt so that the bolt touches the output crank (Detail D).
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(10) Remove the pin from the door lock hole.
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(11)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:
(a)
6F5, LANDING GEAR ALTN EXT CONT
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(12)
Make sure the roller on the door locked switch touches the latch roller face.
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(13)
Adjust the screw on the door locked switch until the conditions that follow occur (Detail E):
(a)
The latch touches the cam on the sequencing crank.
(b)
The red DOOR UNSAFE light stays off when the clearance between the door locked switch and the latch is 0.13-0.15 inch (3.30-3.81 millimeters) (Detail E).
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(14)
Make sure the adjustment for the door closed switch is as shown in Figure 503. If it is necessary, use the two nuts to get the correct dimension for switch actuation.
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(15)
Open this circuit breaker on the P6 panel and attach a DO-NOT-CLOSE tag:
(a)
6F5, LANDING GEAR ALTN EXT CONT
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(16)
Connect the return spring to the output crank (Detail B).
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(17)
Do a check of all the adjustments again.
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(18)
Install lockwire on the jamnuts for the output crank return stop and the adjustment screw on the door locked switch (AMM 20-10-23/401).
(19)
Manually release the latch from the cam on the sequencing crank.
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(20)
Adjust the washers below the strike button on the latch. Do this to get the necessary dimension between the bolt and the piston for the door release interlock actuator as shown (Detail C). Apply primer to the washers.
(21)
Install the access cover on the bracket.
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I. Put the Airplane Back to Its Initial Condition
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(1)
Pressurize the left hydraulic system (AMM 29-11-00/201).
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(2)
Supply electrical power (AMM 24-22-00/201).
S 865-195
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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(102)
