S 842-052
S 842-053
S 842-054
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32-43-46
ALL ú ú 01 Page 210 ú Mar 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
AUTOBRAKE PRESSURE CONTROL MODULE - REMOVAL/INSTALLATION
________________________________________________________
1. General
A. This procedure removes and installs the pressure control module of the autobrake.
TASK 32-43-46-004-001
2. Autobrake Pressure Control Module Removal (Fig. 401)_________________________________________
A. Standard Tools and Equipment
(1)
Caps and Plugs - for hydraulic connections and hoses
(2)
Chocks - wheels
B.
References
(1)
24-22-00/201, Electrical Power
(2)
29-15-00/201, Hydraulic Systems
(3)
32-00-01/201, Ground Locks
C.
Access
(1)
Location Zone
101 Control Cabin - Left
102 Control Cabin - Right
216 Left Main Wheel Well
217 Right Main Wheel Well
310 Left Main Landing Gear
410 Right Main Landing Gear
D.
Prepare for Removal
S 204-002
(1)
Make sure you install the ground locks in the main and the nose landing gears (AMM 32-00-01/201).
S 494-003
(2)
Put chocks below the wheels.
S 844-004
(3)
Supply electrical power (AMM 24-22-00/201).
S 844-005
(4)
Open the AUTOBRAKE CONTR circuit breaker on the P6-3 panel and attach a DO-NOT-CLOSE tag.
(5)
Release the parking brake.
S 844-007
(6)
Remove the pressure from hydraulic systems A and B
(AMM 29-15-00/201).
E.
Remove the Autobrake Pressure Control Module (Fig. 401)
(1)
Disconnect the hydraulic lines from the module and seal with a cap.
S 844-006
S 034-008
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-43-46
ALL ú ú 01 Page 401 ú Mar 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 034-009
(2)
Disconnect the electrical plugs connected to the module and seal the plugs and connections with caps.
S 024-010
(3)
Remove the four attach bolts and the module.
S 024-011
(4)
If it is necessary on the replacement module, remove the hydraulic fittings and discard the O-rings and the backup rings.
S 494-012
(5)
Seal the ports with plugs.
TASK 32-43-46-404-013
3. Autobrake Pressure Control Module Installation (Fig. 401)______________________________________________
A. Consumable Materials
(1)
D00007 Fluid - Hydraulic for testing, BMS 3-11
B.
References
(1)
24-22-00/201, Electrical Power
(2)
29-15-00/201, Hydraulic Systems
C.
Access
(1)
Location Zone
101 Control Cabin - Left
102 Control Cabin - Right
216 Left Main Wheel Well
217 Right Main Wheel Well
D.
Install the Pressure Control Module of the Autobrake
S 424-014
(1)
If it is necessary, install the hydraulic fittings with new O-rings and backup rings in the ports of the module.
(a)
Lubricate the O-rings, the backup rings, and the fittings with BMS 3-11 hydraulic fluid.
S 424-015
(2)
Attach the module to the mounting support with bolts and tighten the bolts.
S 434-016
(3)
Connect the hydraulic lines and the electrical connectors to the modules and install lockwire.
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