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747-400 MAINTENANCE MANUAL
 C. Prepare for the Removal
 S 494-002
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASKS BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).

 S 494-081

 (2)  
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).

 S 494-004

 (3)  
Make sure that chocks are installed at all wheels.

 S 864-082

 (4)  
Remove the pressure from hydraulic system No. 4 and the reservoir (AMM 29-11-00/201).

 S 844-083

 (5)  
Release the parking brake.

 S 844-084

 (6)
Release the hydraulic fluid from the brake accumulator as follows:

 (a)  
Push on the brake pedals fully 10 times.

 (b)  
Make sure the HYD BRAKE PRESS gage, on the captain's instrument panel, P1, does not show a decrease the last time the brake pedals are operated.

 S 864-008
 (7)  
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P180, DC Power Distribution Panel
 1) 180J7, ANTI-SKID 1-3

 

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747-400 MAINTENANCE MANUAL
 2) 180J8, ANTI-SKID 14-16
 3) 180F7, ANTI-SKID 2-4
 4) 180F8, ANTI-SKID 13-15
 5) 180J22, ANTI-SKID 5-7
 6) 180J23, ANTI-SKID 10-12
 7) 180F22, ANTI-SKID 6-8
 8) 180F23, ANTI-SKID 9-11

 D. Remove the Normal Antiskid Module Assembly (Fig. 401)
 S 034-009
 (1)  Remove the clamp and disconnect the wire bundle from the applicable antiskid valve at the connector shown:
 CONNECTORS
__________ ~............................................................ | Left Wing Gear Antiskid Module | .............................................................. | Valve No. 1 | Valve No. 2 | Valve No. 3 | Valve No. 4 | .............................................................. | DV25 | DV24 | DV26 | DV65 | 2..............…...............….............…...............1 ~............................................................ | Left Body Gear Antiskid Module | .............................................................. | Valve No. 5 | Valve No. 6 | Valve No. 7| Valve No. 8 | .............................................................. | DV41 | DV40 | DV42 | DV69 | 2..............…...............….............…...............1 ~............................................................ | Right Body Gear Antiskid Module | .............................................................. | Valve No. 9 | Valve No. 10 | Valve No. 11| Valve No. 12 | .............................................................. | DV44 | DV43 | DV51 | DV73 | 2..............…...............….............…...............1 ~............................................................ | Right Wing Gear Antiskid Module | .............................................................. | Valve No. 13 | Valve No. 14 | Valve No. 15| Valve No. 16 | .............................................................. | DV127 | DV126 | DV128 | DV77 | 2..............…...............….............…...............1
 S 034-010
 (2)  On the normal antiskid valve for the wing gear,
 disconnect the connector support bracket from the valve.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400
MAINTENANCE MANUAL

NORMAL ANTISKID
MODULE-BODY GEAR

SEE A
BOLT
HYDRAULIC LINES WASHERBOLT O-RINGS
WASHER
CONNECTOR

REDUCERS (4 LOCATIONS)
BOLT WASHER
　
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本文鏈接地址：747-400 AMM 飛機維護手冊 起落架 LANDING GEAR 7(55)