(2)
Socket Equipment - Brake Disconnect Valve -C32011-7 or equivalent
B.
Consumable Materials
(1)
D00153 Fluid - Hydraulic - BMS 3-11
32-41-08
ALL ú ú 01 Page 403 ú Jan 28/01
A
757
MAINTENANCE MANUAL
(2)
D50025 Grease - BATCO X8401-2
C.
References
(1)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(2)
AMM 32-00-15/201, Landing Gear Door Locks
D.
Access
(1)
Location Zones
731 Left Main Landing Gear
741 Right Main Landing Gear
E.
Procedure
S 864-010
(1)
Make sure that the pressure is removed from left and right hydraulic systems and reservoirs (AMM 29-11-00/201).
S 644-011
(2)
Lightly lubricate the O-ring and the backup rings with hydraulic fluid.
S 644-026
(3)
Apply a light coating of BATCO X8401-2 grease on the brake half of the brake disconnect, from the diametrical surface above the upper retaining ring to the top of the brake half.
S 424-012
(4)
Install the brake coupling half of the hydraulic-disconnect into the brake as follows (Detail A):
(a)
Install the brake coupling half of the brake hydraulic -disconnect in the brake pressure port with the backup rings and the O-ring.
(b)
Put the socket of the brake disconnect valve socket equipment over the flange of the brake disconnect - brake coupling half and install two screws to hold the socket equipment on the brake port boss.
(c)
Apply a torque wrench at the socket and tighten the brake disconnect coupling half to 20-25 foot pounds.
S 644-027
(5)
Before installing the hose half of the disconnect, apply a light coating of BATCO X8401-2 grease on the underside of the mounting flange of the hose half.
S 424-013
(6)
Install the hose coupling half of the hydraulic-disconnect to the brake as follows:
(a)
Put the hose coupling half on the brake so that the hose port points towards the shock strut in a fore-aft direction.
(b)
Apply a light coating of BATCO X8401-2 grease to the threads and shanks of the three mounting bolts.
32-41-08
ALL ú ú 01 Page 404 ú Jan 28/01
A
757
MAINTENANCE MANUAL
(c) Install the hose coupling half to the brake with three bolts.
Tighten the bolts to 72 to 82 pound-inches.
NOTE:____ Some bolt installations use a washer. If the bolt that
you removed has a washer, make sure that you install the
washer.
(d) Lockwire the bolts.
S 434-014
(7)
Connect the brake hydraulic line to the hydraulic-disconnect.
S 864-015
(8)
Pressurize the right hydraulic system and reservoir (AMM 29-11-00/201).
S 874-016
(9)
Fully push in and release the brake pedals six times to bleed the brake lines.
NOTE: Pause a minimum of 5 seconds between each brake application.
____
S 794-017
(10)
After 5 to 10 minutes, make sure that there are no leaks.
S 714-018
(11)
Make sure that the brakes operate properly as follows:
(a)
Push in and release the brake pedals while you watch the brake wear indicator pin for movement.
(b)
Make sure that the brake wear indicator pin extends and retracts when you push in and release the brake.
S 864-019
(12) Remove the power from the right hydraulic system (AMM 29-11-00/201).
S 094-020
WARNING: 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.
(13) Remove the door locks from landing gear doors and close the doors (AMM 32-00-15/201).
32-41-08
ALL ú ú 01 Page 405 ú Jan 28/01
A
757
MAINTENANCE MANUAL
HOSE HALF
APPLY BATCO X8401-2 GREASE ON UNDERSIDE OF HOSE HALF FLANGE BETWEEN ARROWS AND TO THREADS AND SHANKS OF MOUNTING BOLTS APPLY BATCO X8401-2 GREASE ON BRAKE HALF BETWEEN ARROWS 中國航空網 www.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(151)
