TM 9-2320-283-13&P
0018
0018-64
1
ABS SELF TEST – CONTINUED
15.
Lower and secure hood. Refer to TM 9-2320-283-10.
16.
Start engine and drive vehicle. Refer to TM 9-2320-283-10. Test brakes at slow speeds in parking lot
prior to operating on public road. If ABS warning light (figure 90, item 1) goes on and remains on, refer
to troubleshooting, WP 0009.
17.
Operate tractor on paved road at 40 mph (64 kph) and make a panic stop by applying service brake
pedal until tractor comes to a complete stop. Observe if any wheel locks or if ABS warning light
(figure 90, item 1) goes on and remains on. If any wheel locks or ABS warning light (figure 90, item 1)
stays on, refer to troubleshooting, WP 0009.
18.
Operate tractor on paved road at 60 mph (97 kph) and make a panic stop by applying service brake
pedal until tractor comes to a complete stop. Observe if any wheel locks or if ABS warning light
(figure 90, item 1) goes on and remains on. If any wheel locks or ABS warning light (figure 90, item 1)
stays on, refer to troubleshooting, WP 0009.
19.
After completing road test, park tractor and stop engine. Refer to TM 9-2320-283-10. Depress service
brake pedal and listen for air leaks. Hold pedal down for minimum of 10 seconds, and observe front and
rear air pressure gauges for any noticeable drop in air pressure. If air pressure drops, refer to
troubleshooting, WP 0009.
20.
Wait 5 minutes and check front and rear air pressure gauges for any noticeable drop in air pressure. If air
pressure drops below normal operating range of 105 to 140 psi (724 to 965 kPa), refer to
troubleshooting, WP 0009.
Figure 90. ABS Warning Light.
END OF TASK
END OF WORK PACKAGE