32-42-02
ALL ú ú 07 Page 403 ú Sep 20/90
A
757 MAINTENANCE MANUAL
S 864-034
(7)
Open these circuit breakers on the the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11C31, ANTI-SKID 2-6
(b)
11C32, ANTI-SKID 3-7
(c)
11S18, ANTI-SKID 1-5
(d)
11S22, ANTI-SKID 4-8
D.
Procedure to Remove the Antiskid Module
S 034-035
(1)
Disconnect the electrical connectors and the ground wires from the module. Put a cap on the connectors and receptacles.
S 034-036
(2)
Disconnect the hydraulic lines from the module.
S 034-037
(3)
Put plugs in the hydraulic lines and the module hydraulic fittings.
S 024-038
(4)
Hold the module and remove the attach bolts.
S 024-039
(5)
On the left normal antiskid module, identify the bolts with tags to identify the installation locations.
NOTE: The bolts on the left normal antiskid module have different
____
lengths.
S 034-040
(6)
If the antiskid module that you will install does not have hydraulic fittings installed in the ports, do the steps that follow:
(a)
Remove all the hydraulic fittings from the module and install plugs in the ports.
(b)
Put tags on the fittings to identify the port locations for installation in the new module.
(c)
Discard all of the O-rings.
TASK 32-42-02-424-041
2. Install the Antiskid Module (Fig. 401)
___________________________
A. Equipment
(1)
Explosion Proof Bonding Meter - Microhm Bridge,
Type a Bonding Meter (Avtron Model T477W,
Avtron Manufacturing Inc., Cleveland, Ohio)
B.
Consumable Materials
(1)
D00153 Hydraulic Fluid - BMS 3-11
C.
References
(1)
AMM 06-46-00/201, Entry, Service and Cargo Doors
32-42-02
ALL ú ú 01 Page 404 ú Dec 20/96
A
757
MAINTENANCE MANUAL
(2)
AMM 20-10-21/401, Electrical Bonding
(3)
AMM 24-22-00/201, Electrical Power - Control
(4)
AMM 25-50-03/401, Bulkhead Lining
(5)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic Systems
(6)
AMM 32-00-15/201, Landing Gear Door Locks
(7)
AMM 32-00-20/201, Landing Gear Downlocks
(8)
AMM 34-21-00/501, Inertial Reference System
D.
Access
(1)
Location Zones
143 Left Main Landing Gear Wheel Well
144 Right Main Landing Gear Wheel Well
E.
Procedure to Install the Antiskid Module
S 434-042
(1)
If the normal or alternate antiskid module that you will install does not have hydraulic fittings installed in its ports, do the steps that follow:
(a)
Lubricate the module ports with hydraulic fluid.
(b)
Lubricate the fittings and new O-rings with hydraulic fluid.
(c)
Install the O-rings and fittings in the antiskid module.
CAUTION: MAKE SURE THAT THE CHECK VALVE IS INSTALLED IN THE CORRECT
_______ PORT ON THE ALTERNATE ANTISKID MODULE. IF THE CHECK VALVE IS NOT INSTALLED IN THE CORRECT PORT, HYDRAULIC FLUID CAN TRANSFER BETWEEN SYSTEMS.
(d) Install the the check valve and O-ring in the return port of the module.
S 424-044
(2) Install the module with bolts, washers and nuts.
NOTE: On the left normal antiskid module, the bolt nearest to the
____ NORMAL BRAKE ANTISKID MODULE foil marker is shorter than the other three bolts.
S 434-045
CAUTION: MAKE SURE THAT YOU CONNECT THE HYDRAULIC LINES TO THE CORRECT
_______ PORTS ON THE MODULE. IF YOU CONNECT THEM TO THE WRONG PORTS, IT WILL CAUSE INCORRECT BRAKE SYSTEM ACTUATION.
(3) Connect the hydraulic lines to the module.
32-42-02
ALL ú ú 01 Page 405 ú May 28/01
A
757
MAINTENANCE MANUAL
S 864-046
(4) Install the electrical connectors and the ground wires to the module. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 3(26)
