TM-9-2320-283-13-P
ANTI-LOCK BRAKE SYSTEM (ABS) M915A1
TECHNICAL MANUAL; OPERATOR AND FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
AUGUST 2012
TM-9-2320-283-13-P - Page 94 of 400
TM 9-2320-283-13&P
0016
0016-2
ITEM NO.
INTERVAL
ITEM TO BE
CHECKED OR
SERVICED
PROCEDURE
EQUIPMENT NOT
READY/
AVAILABLE IF:
1
Before
M915A1 Tractor
Perform all “before” operation PMCS on tractor
IAW TM 9-2320-283-20.
2
ABS Warning Light
Turn on ignition and observe ABS warning light
illuminate and then go out.
ABS warning does not
illumnate or stays
illuminated.
3
Modulators
a. When ignition is turned on, listen for all four
modulators to cycle twice; a clicking sound
should be heard.
b. With ignition off, depress and hold service
brake pedal down, turn ignition on, and listen
for all four modulators to dump air.
a. Modulators cannot be
heard to cycle.
b. Modulators cannot
be heard to dump air.
4
Air Lines and Fittings
Check for damage and audible air leaks.
Any air leaks are heard.
5
Wiring Harness and
Wiring Connectors
Check for cut, frayed, or damaged wiring and
loose or damaged connectors.
Any cut, frayed,
damaged, or loose
wiring or connectors
are found.
6
During
M915A1 Tractor
Perform all “during” operation PMCS on tractor
IAW TM 9-2320-283-20.
7
ABS Warning Light
Drive tractor and observe that ABS warning light
does not sty illuminated during operation.
ABS warning light
stays illuminated during
operation.
8
After
M915A1 Tractor
Perform all “after” operation PMCS on tractor
IAW TM 9-2320-283-20.
9
Air Pressure Gauges
a. Park tractor, stop engine, depress service brake
pedal and listen for air leaks.
b. Depress and hold service brake pedal down for
10 seconds and observe air pressure gauge for
any rapid drop in pressure.
a. Any air leaks are
heard.
b. Air pressure drops
rapidly.
Table 1. Field Preventative Maintenance Checks and Services.
END OF TASK
END OF WORK PACKAGE
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