TM-9-2330-342-23-P
PALLETIZED LOAD SYSTEM TRAILER (PLST) M1076 A1
TECHNICAL MANUAL; FIELD MANUAL
OCTOBER 2012
TM-9-2330-342-23-P - Page 383 of 1348
FIELD MAINTENANCE
SERVICE BRAKES ON ALL AXLES DO NOT APPLY OR APPLY SLOWLY
INITIAL SETUP:
Tools and Special Tools
MSD/ICE, Test Set, Electronic Systems
(WP
0194, Table 1, Item 27)
MSD-V2, Test Set, Electronic Systems
(WP
0194, Table 1, Item 28)
Tool Kit, General Mechanic’s: Automotive
(WP
0194, Table 1, Item 47)
Materials/Parts
Solution, Soap (WP
0193, Table 1, Item 58)
Personnel Required
Wheeled Vehicle Mechanic (2)
References
WP
0004
References (cont.)
WP
0067
WP
0075
WP
0080
Equipment Condition
Parking brake applied (TM 9-2330-342-10).
(WP
0190)
Wheels chocked (TM 9-2330-342-10). (WP
0190)
Emergency air supply gladhand connected to
vehicle (TM 9-2330-342-10). (WP
0190)
Trailer air system charged (TM 9-2330-342-10).
(WP
0190)
TROUBLESHOOTING PROCEDURE
SERVICE BRAKES ON ALL AXLES DO NOT APPLY OR APPLY SLOWLY
STEP 1
Are air lines 2255, 2260, 2637, 2638, 2639, 2660, fittings, load sensing valve, and quick release valve free of
leaks and crimps?
NOTE
•
Soap and water solution will be used to visually check for leaks.
•
Trailer air system pressure must be 125 ± 5 psi (861 ± 34 kPa) to begin
troubleshooting the brake system. If the air system pressure cannot be maintained,
refer to Air System Troubleshooting.
•
Air lines and valves listed in this troubleshooting procedure are illustrated and located
in Air System Schematic.
1.
Inspect air lines 2255, 2660, 2260, 2639, 2638, and 2637 for crimps.
2.
Have assistant turn engine start switch to ON. Refer to vehicle Operator's manual (WP
0190).
3.
Push in trailer charge valve in vehicle. Refer to vehicle Operator's manual (WP
0190).
TM 9-2330-342-23&P
0040
0040-1
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