(2)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(3)
AMM 32-44-00/501, Parking Brake System
B.
Access
(1)
Location Zones
119/120 Main Equipment Center
211/212 Control Cabin
(2)
Access Panel
119B1 Main Equipment Center
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C. Prepare to Test the Parking Brake Switch
S 862-063
(1)
Supply electrical power (AMM 24-22-00/201).
S 862-067
(2)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:
(a)
6F4, LANDING GEAR PARKING BRAKE VLV
D.
Test the Switch
S 842-064
(1) Push and hold the brake pedals to the stops.
S 842-065
CAUTION: DO NOT TWIST THE PARKING BRAKE HANDLE WHEN YOU SET THE PARKING
_______ BRAKE. IF THE HANDLE IS TWISTED, IT CAN CAUSE DAMAGE TO THE HANDLE LINKAGE.
(2)
Pull the parking brake handle on the quadrant control stand panel, P10.
S 842-067
(3)
Release the brake pedals to set the parking brake.
S 842-068
(4)
Make sure the PARK BRAKE indicator light on the quadrant control stand panel, P10, comes on and stays on.
S 862-121
(5)
Pull up on the parking brake handle and hold it.
(6)
Release the parking brake.
S 212-120
(7)
Make sure that the PARK BRAKE indicator light on the quadrant control stand panel, P10, does not come on.
S 862-106
NOTE: There is no continuity between the C and NC terminals
____ on the parking brake switch when the circuit is open.
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E. Put the Airplane Back to Its Usual Condition
S 862-102
(1)
Supply pressure to the right hydraulic system (AMM 29-11-00/201).
S 862-103
(2)
Set the parking brake.
S 862-104
(3)
Remove the pressure from the right hydraulic system, if it is not necessary (AMM 29-11-00/201).
S 862-069
(4)
Remove the electrical power, if it is not necessary
(AMM 24-22-00/201).
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PARKING BRAKE ACCUMULATOR CHARGING VALVE - REMOVAL/INSTALLATION
_______________________________________________________________
1. General_______
A. This procedure contains two tasks. The first task removes the accumulator charging valve for the parking brake. The second task installs the accumulator charging valve for the parking brake.
TASK 32-44-10-004-001
2. Remove the Accumulator Charging Valve for the Parking Brake (Fig. 401)___________________________________________________________
A. References
(1)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(2)
AMM 32-00-20/201, Landing Gear Downlocks
B.
Access
(1)
Location Zones
197 Wing-to-Body Aft Lower Half (Left)
(2)
Access Panels
197KL Central Hydraulic Service Center
C.
Prepare for the Removal of the Accumulator Charging Valve
S 494-002
(1)
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 844-003
(2)
Open the service center door, 197KL , for the center hydraulics system.
(3)
Put the chocks below the wheels.
(4)
Release the parking brakes.
S 864-006
(5)
Remove the pressure from the left and right hydraulic systems and reservoirs (AMM 29-11-00/201).
S 844-004
S 844-005
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本文鏈接地址：757 AMM 飛機(jī)維護(hù)手冊(cè) 起落架 CHAPTER 32 - LANDING GEAR 3(70)
