TM 5-3800-205-10-2
TROUBLESHOOTING PROCEDURES
Table 1. Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
AIR SYSTEM AND BRAKES
1.
Brake Air Pressure Low Alert
Indicator, Action Light, and Action
Alarm Come On During Operation.
WARNING
When action alarm sounds, bring machine to a safe stop to prevent injury to operator and/or severe
damage to machine.
1. Ensure that air tank drain
1. Close drain valve(s) if
valve(s) are closed.
required. If problem still
exists, go to test step 2.
2. If any leaks are present, or if no
2. Check for air/hydraulic oil
leaks are found and problem
leaks at air tanks, hoses,
still exists, notify Unit
fittings, and tractor/scraper
Maintenance.
connections at hitch area.
WARNING
Park machine on level ground, stop engine, and lower tank to prevent injury to operator and/or
severe damage to machine.
1. If problem still exists, go to test
1. Place panel test switch to on
2.
Parking Brake Alert Indicator Does
step 2.
(up) and check if alert
Not Come On When Parking Brake is
indicator light comes on.
Engaged.
Release switch.
2. Check for debris/obstruction at
2. Clean debris/obstruction from
parking brake actuator.
parking brake actuator. If
problem still exists, go to test
step 3.
3. If parking brake arm moves
3. With assistance, engage then
and problem still exists, go to
release parking brake and
test step 4.
observe parking brake arm for
movement.
4. Perform parking brake test
4. If brake is engaged and
indicator light is still not on,
notify Unit Maintenance.
