TM-9-2320-430-10
TRUCK, TRACTOR, 8X8, M983
TECHNICAL MANUAL; OPERATOR'S MANUAL
JUNE 2009
TM-9-2320-430-10 - Page 525 of 868
OPERATOR MAINTENANCE
AIR SYSTEM LOSES PRESSURE DURING OPERATION
INITIAL SETUP:
Equipment Condition
Engine OFF. (WP 0052)
Equipment Condition - Continued
Parking brakes applied. (WP 0051)
Wheels chocked. (WP 0073)
TROUBLESHOOTING PROCEDURE
AIR SYSTEM LOSES PRESSURE DURING OPERATION
TEST 1 - Are any petcock valves open?
WARNING
Vehicles air system is pressurized, be sure to wear proper eye protection
and keep face away from drain valves while draining air reservoirs. Open
air drain valves slowly to prevent sudden blast of air. Failure to comply
may result in injury to personnel.
1.
Check to make sure all four air reservoir petcock valves are closed.
TM 9-2320-430-10
0104
0104-1
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