(a)
Disconnect the rod for the parking brake cable from the control arm (View A-A).
(b)
Add or remove washers below the stop until the dimension between the control arm and stop bracket is as specified (View A-A).
(c)
Push and hold down the handle for the parking brake against the quadrant control stand panel, P10.
(d)
Hold the control arm against the stop.
(e)
Adjust the jamnuts until the cable rod can be connected to the control arm.
(f)
Make sure the pin can go freely through the control arm and the cable rod.
(g)
Install the cable rod on the control arm with the pin, washer, and cotter pin.
(h)
Tighten the jamnuts.
S 825-027
(3)
Adjust the parking brake pawl as follows:
(a)
With the brake pedals released, put the rig pin, LGB1, through the housing of the Captain's brake pedal and the bellcrank.
(b)
Find the angular position of the brake pedal about the pivot point. This is the BRAKES OFF position.
(c)
Remove the rig pin, LGB1.
(d)
Fully push the Captain's pedals and pull the parking brake lever.
(e)
Release the pedals until the pawl pin is engaged fully in the pawl.
(f)
Make sure the pedals are 13.5 |1 degrees from the BRAKES OFF position. 1) Add or remove washers to the pawl to get the specified
pedal position.
(g)
Release the parking brake.
(h)
Push and hold the Captain's pedals to the full BRAKE ON position.
(i)
Make sure the pawl and pawl pin do not touch when the parking brake is set and released.
(j)
Release the Captain's pedals.
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(k) Do steps (a) thru (j) with the First Officer's brake pedals.
S 825-041
(4)
Adjust the parking brake switch as follows:
(a)
Push and hold the left and right brake pedals against the brakes full-on stops.
(b)
Pull slowly on the parking brake handle.
(c)
Install a 0.30 to 0.32 inch shim between the pawl stop and the pawl arm (Sheet 2, View B-B).
(d)
Loosen the actuator screws for the switch support.
(e)
Install the ohmmeter across the C and NC terminals on the switch.
(f)
Rotate the switch support until their is continuity through the C and NC terminals when the switch operates.
(g)
Rotate the switch support back until the circuit is open between the C and NC terminals.
(h)
Tighten the attach screws for the switch support.
(i)
Remove the shim.
(j)
Release the parking brake handle.
(k)
Release the brake pedals.
S 715-146
(5)
Do the test of the parking brake switch.
G.
Put the Airplane Back to Its Usual Condition.
S 865-114
(1)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:
(a)
6F4, LANDING GEAR PARKING BRAKE VLV
(2)
Set the parking brake.
S 865-147
TASK 32-44-00-715-052
2. System Test for the Parking Brake System________________________________________
A. General
(1) The test for the parking brake system contains procedures to make sure the system operates correctly.
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MAINTENANCE MANUAL
B. References
(1)
12-15-04/301, Parking Brake Accumulator Servicing
(2)
20-10-09/401, Installation of Flareless Fittings
(3)
24-22-00/201, Electrical Power - Control
(4)
29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(5)
32-00-15/201, Landing Gear Door Locks
(6)
32-00-20/201, Landing Gear Downlocks
C.
Access
(1)
Location Zones
119/120 Main Equipment Center
144 Right Wheel Well
211/212 Control Cabin
711 Nose Landing Gear
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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 3(58)
