S 872-006

 (4)  
Put the chocks on the wheels and push the brake pedals to release the parking brake.

 S 872-007

 (5)  
Push the brake pedals of the captain or the first officer slowly and fully a minimum of six times to bleed the system.

 S 842-003
 S 842-004
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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737-300/400/500MAINTENANCE MANUAL
 S 722-008
 (6)  
Do a check for the brake stack operation.

 S 842-009

 (7)  
Remove the pressure from hydraulic system B and pressurize hydraulic system A (AMM 29-15-00/201).

 S 872-010

 (8)  
Push the brake pedals of the captain or the first officer slowly and fully a minimum of six times to bleed the system.

 S 722-011

 (9)  
Do a check for the brake stack operation.

 S 842-012

 (10)
 Remove the pressure from hydraulic system A (AMM 29-15-00/201).

 G.
Bleed the Normal Brake System through the Brakes

 NOTE: This procedure is recommended after you bleed the system to the
____ antiskid valves if there are signs of air in the brake system. This will be shown by a slow brake response or chattering.
 S 842-055
 (1)  
Pressurize hydraulic system B (AMM 29-15-00/201).

 S 842-013

 (2)  
Remove the bleeder screw and the washer from the bleeder valve on the brake.

 S 842-014

 (3)  
Connect a flexible hose to the bleeder valve.

 S 842-015

 (4)  
Put the free end of the hose in a clean container not fully filled with the same fluid used in the brake system.

 S 842-016

 (5)  
Remove the lockwire on the bypass lever of the hydraulic fuse for the brake that is bled.

 NOTE: The Decoto hydraulic fuses do not have lockwire installed on
____
 the lever.

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 ALL  ú ú 01 Page 202 ú Jul 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 842-017
 (6)  Move the bypass lever to the open position, hold it open and apply the brakes.
 NOTE: Always operate the brake fuse bypass valve before you apply
____
 the brakes.

 S 872-018
 (7)  
Apply the brakes while you open and close the bleeder valve on the brakes with an applicable wrench.

 S 872-019

 (8)
Do this operation until all the air is gone from the flow of fluid.

 S 842-020

 (9)  
Close the bleeder valve while the pressure is kept on.

 S 842-021

 (10)
 Remove the bleed hose, tighten the bleeder valve to 40 pound-inches, and install the bleed screw and the washer.

 S 842-022

 (11)
 Release the bypass lever on the fuse, allow the lever to go back to the closed position and install the lockwire.

 NOTE: The Decoto hydraulic fuse does not have lockwire installed on
____
 the lever.

 S 612-023
 (12)
 Fill the hydraulic reservoir of system B (AMM 12-12-00/301).

 H.
Bleed the Alternate Brake System through the Brakes

 NOTE: This procedure is recommended after you bleed the system to the
____ antiskid valves if there are signs of air in the brake system. This will be shown by a slow brake response or chattering.
 S 842-056
 (1)  
Remove the pressure from hydraulic system B and pressurize hydraulic system A (AMM 29-15-00/201).

 S 842-057

 (2)  
Remove the bleeder screw and the washer from the bleeder valve on the brake.

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