TM 5-2410-241-23-1
0021
Table 1. Chassis and Implement Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Machine Will Not Turn or
1. Verify hydraulic oil is at correct
1. Hydraulic Oil Level Is Not Correct
Steering Radius is Very
level (TM 5-2410-241-10).
- Add hydraulic oil to proper level
Large
(TM 5-2410-241-10).
2. Hydraulic Oil Level Is OK - Pro-
ceed to step 2.
2. Perform Steering Hydraulic Circuit
1. Steering Hydraulic Circuit Test OK
Pressure - Test (WP 0035).
- Resume normal operation.
2. Steering Hydraulic Circuit Test
NOT OK - Proceed to step 3.
3. Perform Cylinder Cycle Tests.
1. ALL Cylinder Cycle Tests Fail -
Blade Lift (WP 0032)
Replace implement pump (WP
0112).
Blade Tilt (WP 0032)
2. ALL Cylinder Cycle Tests Pass -
Ripper Lift (WP 0032)
Replace the steering motor (WP
Ripper Tilt (WP 0032)
0140).
All Implement Cycle Times
1. Perform Cylinder Cycle Tests.
1. ALL Cylinder Cycle Tests Pass -
are Too Slow
Blade Lift (WP 0032)
Resume normal operation.
2. ALL Cylinder Cycle Tests Fail -
Blade Tilt (WP 0032)
Proceed to step 2.
Ripper Lift (WP 0032)
Ripper Tilt (WP 0032)
2. Perform Implement Pump Dis-
1. Pump Discharge Pressure Test
charge Pressure - Test
Failed - Replace implement pump
(WP 0112).
2. Pump Discharge Pressure Test
OK - Proceed to step 3.
3. Perform Pilot System Pressure
1. Pilot Pressure Test Failed -
Replace implement control valve.
Valve 5 With Ripper (WP 0211)
Valve 4 With Winch (WP 0212)
2. Pilot Pressure Test Passed -
Resume normal operation.
Implement Droops When
Load check valve in affected imple-
Replace Affected Implement's Con-
Control Lever is Moved
ment's control valve is not closing.
trol Valve - Bulldozer Lift Control Valve
from HOLD to LIFT
w/Ripper (WP 0211), Bulldozer Tilt
Control Valve w/Ripper (WP 0211),
Bulldozer Lift Control Valve w/Winch
(WP 0212), Bulldozer Tilt Control
Valve w/Winch (WP 0212).