S 714-026
(15)
Do an operational test on the alternate brake selector valve (right and left systems hydraulic power removed).
(a)
Remove left system hydraulic power.
(b)
Check that BRAKE SOURCE indicator light on pilot's center instrument panel illuminates.
S 084-030
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO REMOVE THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(16)
Remove the landing gear door locks (AMM 32-00-15/201).
(17)
Remove electrical power (AMM 24-22-00/201).
S 864-028
32-41-04
ALL ú ú 01 Page 405 ú Sep 28/01
A
757 MAINTENANCE MANUAL
BRAKE HYDRAULIC-DISCONNECT - REMOVAL/INSTALLATION
_________________________________________________
1. General
_______
A. This procedure contains two tasks. The first task removes the brake hydraulic-disconnect. The second task installs the brake hydraulic-disconnect.
B. The brake hydraulic-disconnect assembly contains two halves. The outer half is connected to the hydraulic line, and the inner half is installed in the brake. This procedure has steps for removal and installation of both of the brake hydraulic-disconnect halves.
TASK 32-41-08-024-021
2. Remove the Brake Hydraulic-Disconnect (Fig. 401)
_____________________________________
A. Equipment
(1)
Torque Wrench - Commercially Available (For
torque ranges, Ref Fig. 401)
(2)
Socket Equipment - Brake Disconnect Valve -C32011-7 or equivalent
B.
References
(1)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(2)
AMM 32-00-15/201, Landing Gear Door Locks
(3)
AMM 32-00-20/201, Landing Gear Downlocks
C.
Access
(1)
Location Zones
731 Left Main Landing Gear
741 Right Main Landing Gear
D.
Procedure
S 494-001
(1) Make sure that the landing gear downlocks are installed (AMM 32-00-20/201).
S 494-002
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO INSTALL THE DOOR
_______ LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY OR DAMAGE TO EQUIPMENT.
(2)
Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
S 864-003
(3)
Remove the pressure from the right and left hydraulic systems and reservoirs (AMM 29-11-00/201).
32-41-08
ALL ú ú 01 Page 401 ú May 28/99
A
757
MAINTENANCE MANUAL
SEE A
BOLT (3 LOCATIONS) HYDRAULIC LINE
BRAKE FWD
WHEEL AND TIRE 1 WASHER BRAKE HYDRAULIC - DISCONNECT (HOSE COUPLING HALF)
BRAKE HYDRAULIC - DISCONNECT (BRAKE COUPLING HALF)
BACKUP RING (2 LOCATIONS) O-RING
BRAKE PORT
BLEED PLUG
1 SOME AIRPLANES HAVE A BOLT
MAIN LANDING
INSTALLATION THAT USES A
GEAR BRAKE
WASHER. IF THE BOLTS THAT
YOU REMOVE HAVE WASHERS,
INSTALL THE BOLTS WITH
WASHERS.
FWD
A
Brake Hydraulic - Disconnect Installation Figure 401
32-41-08
ALL ú ú 01 Page 402 ú May 28/99
A
757
MAINTENANCE MANUAL
(4) S 864-004Release the parking brake.
(5) S 864-005Push in the brake pedals fully and release them six times to decrease hydraulic pressure from the brake accumulator.
NOTE:____ Pause a minimum of 5 seconds between each time that you apply the brakes.
(6) S 034-006Disconnect the hydraulic line from the brake disconnect hose coupling half (Detail A).
(7) S 024-009Remove the three bolts that attach the hose coupling half of the hydraulic-disconnect to the brake and remove the hose coupling half.
(8) S 024-008Use a wrench and the brake diconnect valve socket equipment to remove the brake coupling half of the hydraulic-disconnect from the brake. Remove the O-ring and the backup rings. Discard the O-ring.
NOTE:____ When you remove the hose coupling half and the brake coupling half, do not spill hydraulic fluid on the brake or adjacent structures.
TASK 32-41-08-424-022 中國航空網 m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：757 AMM 飛機維護手冊 起落架 CHAPTER 32 - LANDING GEAR 2(150)
