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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
S 874-018
(3) Put the free end of the hose in a clean container not fully filled
with the same fluid that is used in the brake system.
S 874-019
(4) Pressurize the hydraulic system B (Ref 29-15-00 MP).
S 874-020
(5) Remove the lockwire on the normal system hydraulic fuse for the
brake that is bled.
S 874-021
(6) Open the bypass lever and hold it in the open position while the
brake is bled.
S 874-022
(7) Operate the brakes while you open and close the bleeder valve on the
brakes many times with an applicable wrench.
NOTE:____ Continue this operation until all the aeration is gone from
the flow of the fluid.
S 874-023
(8)
Close the bleeder valve while the pressure is kept.
S 874-024
(9)
Release the bypass lever on the fuse, let the lever go to the closed position and install the lockwire.
S 874-025
(10)
Pressurize the hydraulic system A and remove the pressure from hydraulic system B (Ref 29-15-00/201).
S 874-026
(11)
Remove the lockwire on the alternate system hydraulic fuse for the brake that is bled.
S 874-027
(12)
Open the bypass lever and hold it in the open position while the brake is bled.
S 874-028
(13)
Operate the brakes while you open and close the bleeder valve on the brakes many times with an applicable wrench.
NOTE: Continue this operation until all the aeration is gone from
____ the flow of the fluid.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-41-95
ALL ú ú 01 Page 404 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 874-029
(14)
Close the bleeder valve while the pressure is kept.
S 844-030
(15)
Release the bypass lever on the fuse, let the lever go to the closed position and install the lockwire.
S 844-031
(16)
Remove the bleed hose, tighten the bleeder valve to 40 pound-inches, and install the bleed screw and the washer.
F.
Test the Brake Shuttle Valve Operation
S 844-032
(1)
Supply the system B hydraulic power (Ref 29-15-00/201).
S 724-033
(2)
Push the brake pedals to operate and release the brakes many times.
S 724-034
(3)
Do a check on the brake stack movement to make sure that the brakes operate correctly.
S 844-035
(4)
Remove the B system hydraulic power (Ref 29-15-00, MP).
S 724-036
(5)
Push the brake pedals to operate and release the brakes many times.
S 724-037
(6)
Do a check on the brake stack movement to make sure that the brakes operate correctly.
(7)
After 5 to 10 minutes, do a check for leaks.
(8)
If it is necessary, fill the hydraulic reservoir (Ref 12-12-00/301).
S 844-040
(9)
Set the parking brake.
S 794-038
S 614-039
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-41-95
ALL ú ú 01 Page 405 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
BRAKE FEEL AUGMENTOR - REMOVAL/INSTALLATION
___________________________________________
1. General
A. This procedure removes and installs of the brake feel augmentor. The augmentors are found on the normal brake metering valves which are attached to the ceiling of the main gear wheel.
B. You must use this procedure to remove the brake feel augmentor before you can remove the the primary brake.
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