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 88 of 400
TM 9-2320-283-13&P
0014
0014-2
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 illuminate 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
During
M915A1
Tractor
Perform all “during” operation PMCS on
tractor IAW TM 9-2320-283-20.
5
ABS
Warning
Light
Drive tractor and observe that ABS
warning light does not stay illuminated
during operation.
ABS warning light
stays illuminated
during operation.
6
After
M915A1
Tractor
Perform all “after” operation PMCS on
tractor IAW TM 9-2320-283-20.
7
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. Operator Preventive Maintenance Checks and Services for ABS.
END OF TASK
END OF WORK PACKAGE
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