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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400 MAINTENANCE MANUAL
 ANTISKID TRANSDUCER - REMOVAL/INSTALLATION
__________________________________________
 1.  General_______
 A.  This procedure contains two tasks. The first task removes the Antiskid Transducer. The second task installs the Antiskid Transducer.
 TASK 32-42-04-004-001
 2.  Antiskid Transducer - Removal_____________________________
 A.  Special Tools and Equipment
 (1)  
A32069-1 or -7 - Wrench Adapter, Antiskid Transducer Retainer Nut

 (2)  
A32075-10 Adapter - Antiskid Transducer, Spin-up (Recommended)

 A32075-9 Adapter - Antiskid Transducer, Spin-up (Alternative)
 A32075-1 Adapter - Antiskid Transducer, Spin-up (Alternative)
 B.  References
 (1)  
AMM 09-11-00/201, Towing

 (2)  
AMM 24-22-00/201, Manual Control

 (3)  
AMM 32-00-30/201, Landing Gear Door Locks

 (4)  
AIPC 32-42-09-01

 (5)  
AIPC 32-45-02-01

 (6)  
AIPC 32-45-04-01

 (7)  
SSM 32-42-01

 (8)  
WDM 32-42-14, WDM 32-42-15, WDM 32-42-16, WDM 32-42-17

 C.  
Access

 (1)  
Location Zones 118 Electrical & Electronics Compartment, RH (P180 DC Power Distribution Panel) 222 Control Cabin, RH

 (P6 Main Power Distribution Panel) 755 Body Landing Gear, LH 765 Body Landing Gear, RH 735 Wing Landing Gear, LH 745 Wing Landing Gear, RH
 D.  Prepare for the Removal
 S 864-002
 (1)  Install the ground locks in all landing gear (AMM 09-11-00/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400
MAINTENANCE MANUAL

 S 494-003
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK 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.
 (2)  
Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).

 S 494-022

 (3)  
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).

 S 764-025

 (4)  
Make sure electrical power is removed (AMM 24-22-00/201).

 S 864-004

 (5)  
Open these circuit breakers and install DO-NOT-CLOSE tags:

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

 E.
Remove the Antiskid Transducer (Fig. 401)

 S 024-007
 (1)  
Do these steps to remove the antiskid transducer:

 (a)  
Remove the clamp (1) and pull the hubcap (2) off the wheel.

 (b)  
Remove the two lockbolts (3), washers (4) and nuts (5) from the axle nut.

 CAUTION: DO NOT PULL OR TWIST ON THE WIRE HARNESS WHEN YOU REMOVE
_______ THE ANTISKID TRANSDUCER ASSEMBLY FROM THE AXLE. YOU CAN CAUSE DAMAGE TO THE WIRES OR THE TRANSDUCER.
 (c)  
Pull the antiskid transducer assembly out of the end of the axle.

 (d)  
Disconnect the wire bundle from the back of the antiskid transducer assembly at the applicable connectors specified below:

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-42-04
 ALL  ú ú 03 Page 402 ú Feb 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
　
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