(a)  
Do the steps that follow:

 1)  Before installing the hose half of the disconnect, apply a light coating of BATCO X8401-2 grease on the underside of the mounting flange of the hose half.
 2)  Engage the outer body of the brake disconnect valve with the inner part installed in the pressure port of the brake carrier.
 3)  Put the outer body of the disconnect valve in its position with the three holes aligned and the hydraulic hose pointed forward.
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737-300/400/500MAINTENANCE MANUAL
 4) 5) 6) 7)  Apply a light coating of BATCO X8401-2 grease to the threads and shanks of the three mounting bolts.Install the three bolts, P/N BACB30NM4HK3, and 3 washers, P/N BACW10BP4ACU.Tighten the bolts to a torque of 72 - 82 inch-pounds.Install lockwire on the three bolts.
 (6)  S 094-039Remove the axle thread protector and the axle protection sleeve.
 (7)  S 494-040Install the axle thread protector.
 (8)  S 644-041Fully clean the axle and apply a light layer of the preferred grease Aeroshell #22.
 (9)  S 414-042Install the main gear wheel (AMM 32-45-11/401).
 S 844-043

 (10)
 Lower and remove the axle jack (AMM 07-11-11/201). S 844-044

 (11)
 Pressurize hydraulic Systems A and B (AMM 29-15-00/201). S 874-045

 (12)
 Bleed the brakes (AMM 32-41-00/201). S 614-046

 (13)
 Fill the hydraulic reservoir (AMM 12-12-00/301). S 844-047

 (14)
 Set the parking brakes. S 224-048

 (15)
 Do a check for correct tire pressure (AMM 12-15-51/301).

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737-300/400/500MAINTENANCE MANUAL
 MAIN GEAR BRAKE - INSPECTION/CHECK
__________________________________
 1.  General
 A.  You can do a check on the main gear brake unit with the wheel installed. More checks of the brake unit can be done when the wheel is off.
 TASK 32-41-41-846-001
 2.  Prepare to Do a Check on the Main Gear Brake____________________________________________
 A.  References
 (1)  
AMM 24-22-00/201, Manual Control

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

 (3)  
AMM 32-00-01/201, Ground Locks

 B.  
Access

 (1)  
Location Zone
 310 Left Main Landing Gear
 410 Right Main Landing Gear

 C.  
Prepare for the Brake Check

 S 216-002
 (1)  
Make sure the landing gear is down and locked and that you install the ground locks on the landing gear (AMM 32-00-01/201).

 S 496-003

 (2)  
Put chocks at the wheels and release the parking brake.

 S 846-004

 (3)
Supply electrical power to the airplane (AMM 24-22-00/201).

 S 846-005

 (4)  
Pressurize hydraulic systems A and B (AMM 29-15-00/201).

 TASK 32-41-41-706-006
 3.  Main Gear Brake Leakage Check with the Wheel Installed______________________________________________________
 A.  Access
 (1)  
Location Zone
 101 Control Cabin - Left
 102 Control Cabin - Right
 310 Left Main Landing Gear
 410 Right Main Landing Gear

 B.  
Procedure

 S 726-007
 (1)  
Slowly and continuously push the captain's or the first officer's brake pedals many times.

 S 796-008

 (2)  
Do a leakage check on all the brake units for the items that follow:

 (a)  
Brake pistons

 (b)  
Hydraulic lines

 (c)  
Flexible hoses
　
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