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TM 9-2320-364-20-2
2-1839
(1) Start engine and build pressure
to 125 4 psi (861 28 kPa)
(TM 9-2320-364-10).
(2) Turn OFF ENGINE switch.
(3) Jack-up rear three Axles until wheels
are off the ground.
(4) Shift transfer case to N (neutral).
(5) Release PARKING BRAKE.
(6) While assistant applies service
brakes, try to turn the wheels by hand.
(a) If one wheel turns, perform
Step (7) below and go to Step
4 of this Fault.
(b) If both wheels turn, perform
Step (7) below and go to Step
2 of this Fault.
(7) Lower wheels to ground.
OPERATION TEST
Truck must be on level ground and wheels must be chocked before parking brake is released.
Otherwise, truck may roll and cause injury to personnel.
Wear safety goggles when performing leakage tests on valves. Failure to do so may result in serious
eye injury due to high pressure air.
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