(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
D.
Remove the Antiskid Valve Assembly (Alternate Antiskid Module) (Fig. 202)
S 032-033
(1) Remove the clamp and disconnect the the wire bundle from the connector on the applicable antiskid valve torque motor:
CONNECTORS
__________ Left Wing Gear Alternate Antiskid Module Valve No. A2 Valve No. A1 DV35 DV129
Right Body Gear Alternate Antiskid Module Valve No. A5 Valve No. A6 DV131 DV38
Left Body Gear Alternate Antiskid Module
Valve No. A3 Valve No. A4
DV130 DV36
Right Wing Gear Alternate Antiskid Module
Valve No. A7 Valve No. A8 DV132 DV37
S 492-034
(2) Put a cap on the open connector.
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32-42-02
ALL ú ú 01 Page 210 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
BULKHEAD (1240)
BULKHEAD
(1480)
FWD
ALTERNATE
ANTISKID
MODULE
SEE A BULKHEAD
(1350)
2.
RETAINER (2 LOCATIONS)
3.
O-RING (2 LOCATIONS)
1.
ANTISKID
VALVE
2.
RETAINER (2 LOCATIONS) ASSEMBLY 4. RETAINER (2 LOCATIONS)
5. O-RING (2 LOCATIONS)
4. RETAINER (2 LOCATIONS)
6. SCREW (4 LOCATIONS)
CLAMP
CONNECTOR
SUPPORT BRACKET
ANTISKID MODULE
ALTERNATE ANTISKID MODULE A
Alternate Antiskid Module - Antiskid Valve
Figure 202
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32-42-02
ALL ú ú 01 Page 211 ú Jun 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 032-201
CAUTION: BE CAREFUL TO KEEP CONTAMINATION OUT OF THE PORTS OF THE
_______ ANTISKID MODULE AND THE ANTISKID VALVE. CONTAMINATION CAN CAUSE A MALFUNCTION OF THE ANTISKID VALVE.
(3)
Remove the four screws (6), and pull the antiskid valve (1) from the alternate antiskid module.
S 492-036
(4)
Install a plug on the open port in the alternate antiskid module.
S 032-037
(5)
Remove the retainers (2 and 4) and the O-rings (3 and 5) from the valve, and discard the O-rings.
TASK 32-42-02-402-038
5. Antiskid Valve Assembly (Alternate Antiskid Module) - Installation
__________________________________________________________________
A. Special Tools and Equipment
(1)
T63619 - Packing Installation Tool
Hydro-Aire Division, Crane Co.
Burbank, CA 91510 USA
B.
Consumable Materials
(1)
C00272 Hydraulic Fluid - BMS 3-11
C.
Parts
~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 202 | 1 | Valve | 32-42-02 | 01 | 80 | | | 2 | Retainer | | | 105 | | | 3 | O-ring | | | 95 | | | 4 | Retainer | | | 100 | | | 5 | O-ring | | | 90 | | | 6 | Screw | | | 85 | 2......…........…...................................…..........…......…........1
D. References
(1)
AMM 29-11-00/201, Main Hydrualic Supply System
(2)
AMM 32-00-30/201, Landing Gear Door Locks
(3)
AMM 32-42-00/501, Brake Control System
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