(4)  
Release the VALVE button.

 (5)  
Pressurize hydraulic system B (AMM 29-15-00/201).

 S 725-062
 S 845-063
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 725-064
 (6)  
Do the parking brake monitor check:

 (a)  
Release the parking brake lever.

 (b)  
Make sure the ANTI-SKID INOP light and the PARK BRAKE light are off.

 (c)  
Remove the connector D928 from the parking brake valve.

 (d)  
Make sure the ANTI-SKID INOP light comes on.

 (e)  
BEJ 061, 062, 101-107; Put a jumper on pins 8 and 9 on connector D928.

 (f)  
BEJ 101-199; Put a jumper on pins 8 and 9 and pins 2 and 4 on connector D928.

 (g)  
Make sure the ANTI-SKID INOP light goes off.

 (h)  
Set the parking brake lever.

 (i)  
Make sure the ANTI-SKID INOP light and the PARK BRAKE light come on.

 (j)  
Release the parking brake lever.

 (k)  
Remove the jumper.

 (l)  
Install connector D928 on the parking brake valve.

 (m)  
Make sure the ANTISKID INOP light and the PARK BRAKE light go off.

 (n)  
Set the parking brake.

 (o)  
Make sure the ANTISKID INOP light stays off and the PARK BRAKE light comes on.

 G.
Squat Fault test.

 S 725-065
 (1)  
Push the AIR sense switch on the E-11 shelf.

 S 725-066

 (2)  
Make sure the ANTI-SKID INOP light and the parking brake light come on.

 S 725-067

 (3)  
Release the AIR sense switch.

 (4)  
Push the NOSE sense switch on the E-11.

 S 725-069

 (5)  
Make sure the ANTI-SKID INOP light and the parking brake light stay on.

 (6)  
Release the NOSE switch and the parking brake lever.

 S 725-068
 S 725-070
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 725-071
 (7)  
Make sure the ANTI-SKID INOP light and the parking brake light go off.

 S 725-072

 (8)
Remove the pressure from hydraulic system A (AMM 29-15-00/201).

 S 725-073

 (9)  
Set the parking brake lever.

 S 725-074

 (10)
 Make sure the parking brake light comes on.

 H.
Parking Brake Valve Close Test

 S 845-075
 (1) Remove the pressure from hydraulic system B (AMM 29-15-00/201).
 NOTE: If the gage for the hydraulic brake pressure decreases below
____ 1600 psi in one minute, the parking brake valve is not closed.
 S 845-076
 (2)  
Release the parking brake lever.

 S 725-077

 (3)  
Make sure the PARK BRAKE light goes off.

 S 725-078

 (4)  
Push the brake pedals.

 S 725-079

 (5)  
Make sure the brake hydraulic pressure decreases each time you push the pedals.

 (6)  
Move the selector switch to the PB position.

 (7)  
Push the VALVE button.

 S 725-082

 (8)  
Make sure the center green LED comes on.

 I.
Put the Airplane to its Usual Condition

 S 725-080
 S 725-081
 S 845-083
 (1)  Move the selector switch on the anti-skid module to the OFF position.
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