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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
FLOW FLOW
FUSE FUSE
OVERHEAD AUTOBRAKE
CONTROL
ACCUMULATOR MODULE ALT BRAKE
ISOLATION SELECTOR VALVE
VALVE
ANTISKID ANTISKID
SHUTTLE BRAKE METERING SHUTTLE
VALVES VALVE ASSY VALVES
(2 LOCATIONS)
RIGHT LEFT LEFT
ALTERNATE PARKING BRAKE ANTISKID ALTERNATE
ANTISKID SHUTOFF VALVE OUTBD CONTROL ANTISKID
CONTROL VALVE FLOW BRAKE AUTOBRAKE SHUTTLE VALVES INBD FLOW VALVES BRAKE VALVE CONTROL
FUSES FUSES
INBD RIGHT ANTISKID
OUTBD CONTROL VALVES
WHEEL WELL
ACCUMULATOR AFT BULKHEAD
SEE A STA 727
BL 0
VIEW IN THE AFT DIRECTION
BRAKE PRESSURE
TRANSMITTER
PRESSURE GAGE
CHARGING VALVE
CHARGING
HYDRAULIC LINE
LINE
UNION
FWD
INBD UNION ACCUMULATOR
BRAKE CLAMP
ACCUMULATOR
A
Brake Accumulator Installation
Figure 401
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
C. Procedure
S 864-027
(1)
Pressurize hydraulic system B to 3000 +150/-200 psi and keep this pressure for a mimimum of two minutes (AMM 29-15-00/201).
S 784-037
(2)
Make sure that the hydraulic brake pressure gage in the flight compartment is within 100 psi of the hydraulic system pressure gage of system B.
S 864-028
(3)
Remove the pressure from hydraulic systems A and B
(AMM 29-15-00/201).
S 714-029
(4)
Fully push in the captain's brake pedals and release them five times.
NOTE: Wait for approximately three seconds between each time
____
you push and release the brake pedals.
(a)
Make sure that the brake accumulator pressure decreases after each time that you push and release the brakes.
(b)
Make sure that the brake pressure is not less than 800 psi after the fifth time that you push and release the brakes.
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32-41-51
ALL ú ú 01 Page 405 ú Nov 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
HYDRAULIC BRAKE PRESSURE TRANSMITTER - REMOVAL/INSTALLATION
___________________________________________________________
1. General_______
A. This procedure contains two tasks:
(1)
The removal of the hydraulic brake pressure transmitter (referred to as the transmitter).
(2)
The installation of the transmitter. The installation task includes two checks. The first check is to make sure that there are not leaks. The second check is to make sure that the brake pressure gage on the First Officer's panel (P3) shows approximately the same pressure as the direct reading brake pressure gage that is near the brake accumulator.
NOTE:____You can only calibrate the transmitter during overhaul. You can not adjust the transmitter after you install it.
B. The transmitter makes an electrical signal related to a value for pressure. This signal is the input to the HYD BRADE PRESS gage on the First Officer's Instrument Panel, P3.
C. The transmitter is part of the hydraulic brake accumulator charging equipment installation.
TASK 32-41-52-004-001
2. Hydraulic Brake Pressure Transmitter Removal (Fig. 401)____________________________________________
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