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 42 of 400
TM 9-2320-283-13&P
0005
0005-2
OPERATING PROCEDURES
Starting Engine
NOTE
Whenever ignition switch is turned on, the ABS ECU automatically
runs through a self test and the ABS amber warning light illuminates
for three seconds and then goes off. If a fault is found, the ABS
warning light will stay on; refer to WP 0009, troubleshooting.
1.
Turn on ignition switch. Refer to TM 9-2320-283-10. Observe ABS warning light (figure 1, item 1) on
center control panel (figure 1, item 2) illuminate for three seconds and then go off. At same time, listen
for all four modulators to cycle twice; a clicking sound should be heard.
1
2
Figure 1. Observing ABS Warning Light.
NOTE
The normal operating range is 105–140 psi (724–965 kPa). The low
air pressure warning lamp and buzzer will go off at approximately
64 to 76 psi (441 to 524 kPa).
2.
Start engine. Refer to TM 9-2320-283-10. Allow engine to run until air pressure builds up in reservoirs
and low air pressure warning lamp and buzzer go off.
END OF TASK
PREPARATION FOR MOVEMENT
1.
Perform all preliminary checks for placing tractor in motion IAW TM 9-2320-283-10.
2.
Apply service brake pedal (figure 2, item 1) and release parking brake control
(figure 2, item 2).
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