S 624-014
 (2)  
Apply a thin layer of corrosion preventive compound to the threads of the three mounting bolts.

 S 424-015

 (3)  
Install the metering valve:

 (a)  
Make sure the valve slide aligns with the control quadrant lever.

 (b)  
Align the mounting holes on the metering valve with the mounting holes in the ceiling of the wheel well.

 (c)  
Install the three mounting bolts.

 S 434-016
 (4)  Connect all of the disconnected hydraulic lines for the brake metering valve.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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737-300/400/500MAINTENANCE MANUAL
 S 434-023
 (5)  Install the brake feel augmentor (AMM 32-41-97/401).
 NOTE: It is necessary to install the brake feel augmentor after you
____ install the primary metering valve. The brake feel augmentor will be on the primary metering valve when you install the alternate metering valve.
 S 824-017
 (6)  
Adjust the tension of the control cables for the brake metering valve (AMM 32-41-00/501).

 S 814-020

 (7)  
Adjust the clearance between the end of the valve slide and the control quadrant lever (AMM 32-41-00/501).

 S 734-018

 (8)  
Do a test of the hydraulic brake system (AMM 32-41-00/501).

 S 874-024
 CAUTION:_______BLEED THE BRAKE SYSTEM CORRECTLY. AIR IN THE SYSTEM CAN MAKE THE BRAKES UNSERVICEABLE. BRAKES WHICH ARE UNSERVICEABLE CAN HAVE A FAILURE DURING OPERATION.
 (9)  
Bleed the hydraulic brake system (AMM 32-41-00/201).

 S 714-022

 (10)
 Do an operational check of the brakes.

 (a)  
Operate the brake pedals.

 (b)  
Make sure the wear pins move for each one of the brakes.

 F.
Put the Airplane in Its Usual Condition

 (1)
Do the servicing for the hydraulic reservoirs (AMM 12-12-00/301).

 (2)  
Set the parking brake.

 S 794-027

 (3)  
Do a check for leaks 10 to 15 minutes after you set the parking brake.

 S 614-025
 S 864-026
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 MAIN GEAR BRAKE - REMOVAL/INSTALLATION
______________________________________
 TASK 32-41-41-004-001
 1.  Main Gear Brake Removal_______________________
 A. Special Tools and Equipment
 (1)  
F72913-8 - Axle Protection Sleeve

 (2)  
F72913-11 - Axle Thread Protector

 (3)  
C32011-7 Socket Equipment, Brake Disconnect Valve

 (4)  
BC300 Brake Cradle (or equivalent)

 B.
References

 (1)  
AMM 07-11-11/201, Airplane Jacking

 (2)  
AMM 29-15-00/201, Hydraulic Systems

 (3)  
AMM 32-00-01/201, Ground Locks

 (4)  
AMM 32-11-21/401, Main Gear Shock Strut

 (5)  
AMM 32-11-85/801, Main Gear Axle

 (6)  
AMM 32-45-11/401, Main Gear Wheel

 C.
Access

 (1)  
Location Zone
 101 Control Cabin - Left
 102 Control Cabin - Right
 310 Left Main Landing Gear
 410 Right Main Landing Gear

 D.
Remove the Main Gear Brake (Fig. 401)

 S 844-002
 (1)
Make sure you install the ground locks (AMM 32-00-01/201).

 (2)  
Install chocks on the wheels.

 S 844-003

 (3)  
Remove the pressure from hydraulic System A and B
 (AMM 29-15-00/201).

 (a)  
Release the parking brake.

 (b)  
Fully operate the brakes 12 times to remove the pressure from the brake accumulator.
　
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