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 32-42-00
 ALL  ú ú 01 Page 105 ú Jul 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 ANTISKID SYSTEM - ADJUSTMENT/TEST
_________________________________
 1.  General
 A.  The ground test properties are assembled into the antiskid control unit. Four test switches, six indicator lights, and one selector switch are there for a quick check of each channel of the system.
 B.  This test is made to first test the indication/monitor function and then test each component of the antiskid system:
 (1)  
antiskid control unit

 (2)  
antiskid control valves

 (3)  
wheel speed tranducers

 (4)  
switches

 C.  
If it is necessary to do a test on all of the antiskid system, do all the tests in sequence.

 TASK 32-42-00-705-001
 2.  Antiskid Indication Monitor Function Test__________________________________________
 A.  References
 (1)  
AMM 24-22-00/201, Manual Control

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

 (3)  
AMM 32-00-01/201, Ground Locks

 B.  
Access

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

 C.  
Prepare for the Test

 S 845-002
 (1)  
Make sure you install the ground locks in all the landing gears (AMM 32-00-01/201).

 (2)  
Pressurize hydraulic system B (AMM 29-15-00/201).

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

 S 245-005

 (4)
Remove DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P6-3 Panel 1) Landing gear ANTI-SKID FAIL WARN & PARK BK 2) CONTROL CABIN LIGHTING, INDICATOR, MASTER DIM BUS

 S 845-003
 S 245-004
 (9 Breakers: BAT, NO. 1DC, NO. 2DC, SECT 1, SECT 2, SECT 3, SECT 4, SECT 5, SECT 6) 3) PANEL & INSTR. DIM & TEST
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-42-00
 ALL  ú ú 02 Page 501 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 845-006
 (5)  
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P6 Panel 1) AUTOSLAT NO. 1 AC (On airplanes with Digital Stall Warning

 and Autoslat Computers) 2) AUTOSLAT NO. 1 DC 3) AUTOSLAT NO. 2 AC (On airplanes with Digital Stall Warning
 and Autoslat Computers)
 4) AUTOSLAT NO. 2 DC

 S 495-007
 (6)  
Make sure you install chocks on the wheels.

 D.  
Antiskid Indication Monitor Function Test

 S 725-008
 (1)  
Do the test for the antiskid indication monitor function.

 (a)  
Set the parking brake. 1) Make sure the parking brake light comes on.

 (b)  
Open the ANTI-SKID FAIL WARN & PARK BK circuit breaker on the P6-3 panel. 1) Make sure the parking brake light goes off.

 (c)  
Close the ANTI-SKID FAIL WARN & PARK BK circuit breaker.

 (d)  
Release the parking brake. 1) Make sure the landing gear lever is in the DN position.

 (e)  
Open the LANDING GEAR ANTI-SKID INBD and OUTBD circuit breakers on the P6-3 panel.

 (f)  
Put the ANTI-SKID switch on the P2 panel to the OFF position.

 (g)  
Put the LIGHTS switch on the P2 panel to BRT.

 1)  Make sure that the ANTI-SKID INOP light on the P2 panel comes on.

 (h)  
Put the ANTI-SKID switch to the ON position. 1) Make sure the ANTI-SKID INOP light stays on.

 (i)  
Close the ANTI-SKID INBD circuit breaker.
　
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