737-300 400 500 AMM 飞机维护手册 起落架 LANDING GEAR 3(60)

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 speed transducer at the right outboard wheel location). 2) Push and hold the XDCR switch on the front panel of the antiskid control unit. 3) Make sure the right green LED on the front panel of the
 antiskid control unit comes on.
 4)  Release the XDCR switch.
 5)  Make sure the right green LED on the front panel of the antiskid control unit goes out.
 6) Do the above series of steps again with the WHEEL SELECT
 switch set to each of the positions specified above.
Remove the power from hydraulic system B (Ref 29-15-00/201)

Remove electrical power, if it is not necessary
 (Ref 24-22-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 TRANSDUCER - REMOVAL/INSTALLATION
_________________________________
 1.  General_______
 A.  This procedure contans two tasks. The first task removes the transducer. The second task installs the transducer.
 B.  A transducer is installed inside each main landing gear wheel axle. The transducer has a drive coupling that mates with a plastic spider that is riveted to the hubcap assembly. A sleeve type adapter, part of the transducer assembly, holds the transducer in place in the axle cavity. The adapter is not removed for normal removal/installation of the transducer.
 TASK 32-42-11-004-001
 2.  Remove the Transducer (Fig. 401)_____________________
 A.  References
 (1)  
AMM 32-00-01/201, Landing Gear Ground Lock Assemblies

 B.  
Access

 (1)  
Location Zones
 101/102 Control Cabin
 310/410 Main Landing Gear

 C.  
Procedure

 S 494-002
 (1)  
Make sure that the ground lock assemblies are installed in the nose and main landing gear (AMM 32-00-01/201).

 S 864-003

 (2)  
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P6 Main Power Distribution Panel: 1) OUTBD ANTISKID 2) INBD ANTISKID 3) ANTISKID FAIL WARN & PARKING BRAKE

 S 034-004
 (3)
Do this step for access to the outboard wheel transducer only,

 (a)  
Turn the eight Cam-Loc fasteners and remove the fairing.

 (4)  
Remove three bolts and remove the hubcap from the wheel.

 S 024-006

 (5)  
Remove the screw, the washer, and the drive coupling from the transducer shaft.

 (6)  
Remove the lockring with the torque adapter tool.

 S 024-005
 S 024-007
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 024-008
 CAUTION: DO NOT TWIST THE WIRE BUNDLE WHEN YOU REMOVE OR INSTALL
_______ THE TRANSDUCER. EQUIPMENT DAMAGE CAN OCCUR.
 (7)  
Pull the transducer out from the adapter in the axle until you get access to the electrical connector.

 S 024-009

 (8)
Disconnect the electrical connector and remove the transducer.

 TASK 32-42-11-404-010
 3. Install the Transducer (Fig. 401)
______________________
 A. Consumable Materials
 (1)  
D00000 Oil - V79TERESSO, or equivalent, MPB Corp., Precision Park, Keene, N.H. 03431 (Ref 20-30-21)

 B.
Equipment

 (1)  
Torque Adapter Tool - Hydro-Aire Co., part number T33264, used to remove the transducer lockring. Hydro-Aire Div., Crane Co., 3000 Winona Ave., Burbank, California

 (2)  
Adapter-Antiskid Transducer Spin-Up -A32075-1 (Optional),
 A32075-9 (Optional),
 A32075-10 (Preferred)

 (3)  
Drill - Chicago Pneumatic part number CP-9289-9 and adapter A32075-1, -9 or -10 used to turn the transducer drive coupling 500-1000 RPM.

 C.
References

　
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