S 825-110
(3)
Adjust the length of the control rod for the safety valve. Adjust it until the door safety valve is in the ON position in the tolerance range (View B-B).
(a)
Loosen the jamnut on the control rod.
(b)
Increase or decrease the length of the control rod if 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.
(c)
Make sure you can see threads on the rod end that cover at least one-half of the inspection hole.
(d)
Tighten the jamnut to 50-75 pound-inches (View A-A).
(e)
Apply antiseize compound to the threads that are in the open.
S 825-108
(4)
Adjust the return stop for the output crank such that the conditions that follow occur (View A-A):
(a)
The door lock release actuator is fully retracted.
(b)
The drive pin on the sequencing crank touches the drive face on the input crank.
(c)
The output crank touches the return stop for the output crank.
(d)
Adjust the return stop. Make it so that the clearance between the drive face on the sequencing crank and the drive pin on the output crank is between 2.19-2.23 inches (55.63-56.64 millimeters).
S 825-106
(5)
Adjust the length of the lock-release control rod for the door actuator. Align the centerline of the slot on the unlock crank for the door actuator with the centerline of the actuator rigging mark. The slot and the rigging mark should be less than 0.01 inch apart.
(a)
Loosen the jamnut.
(b)
Increase or decrease the length of the control rod if it is necessary.
(c)
Make sure you can see threads on the rod end that cover at least one-half of the inspection hole.
(d)
Tighten the jamnut to 50-75 pound-inches.
(e)
Apply antiseize compound to the threads that are in the open.
S 865-105
(6)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:
(a)
6F5, LANDING GEAR ALTN EXT CONT
S 985-104
(7) Pull the control rod for the safety valve down to turn the safety valve. Turn the safety valve to the latched position and engage the latch in the cam (Detail B).
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757 MAINTENANCE MANUAL
S 825-103
(8)
Make sure the roller on the door locked switch touches the latch roller face.
S 825-102
(9)
Adjust the screw on the door locked switch until the conditions that follow occur:
(a)
The latch touches the safety valve cam.
(b)
The red DOOR UNSAFE light stays off when the clearance between the latch and the roller for the door locked switch is set between 0.13-0.15 inch (3.30-3.81 millimeters) (Detail C).
S 825-188
(10)
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.
S 865-101
(11)
Open this circuit breaker on the P6 panel and attach a DO-NOT-CLOSE tag:
(a)
6F5, LANDING GEAR ALTN EXT CONT
S 825-100
(12)
Do a check of all the adjustments again.
S 435-099
(13)
Install lockwire on the jamnuts for the output crank return stop (AMM 20-10-23/401).
S 435-098
(14)
Tighten the locking screw on the door locked switch to hold the adjustment screw in position. Install lockwire (AMM 20-10-23/401).
S 825-095
(15)
Do the procedure again for the lock-release mechanism for the door actuator on the other main landing gear.
H.
Adjust the Lock-Release Mechanism for the Actuator on the Door for the Nose Landing Gear (Fig. 502, 503)
S 985-094
(1)
Use the spring extender to extend and disengage the return spring from the output crank (Detail B).
S 015-093
(2)
Remove the access cover from the bracket above the door lock release actuator (Detail B).
(3)
Make sure the door lock release actuator is fully retracted.
S 825-092
