TM 5-3805-291-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 7. Hydraulic System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Perform Main Control Valve
1. If faulty, replace implement ECM (WP
11. No Implements Are
Calibration (WP 0017 00).
0060 00).
Functioning - Continued.
2. If problem still exists, replace pump
(WP 0215 00).
N OT E
12. There is Too Much Lift
Cylinder Drift.
Drift is cylinder movement with pilot operated control in HOLD position.
1. Check for active diagnostic codes.
1. If any diagnostic codes exist, refer to
Troubleshooting with a Diagnostic
Code (WP 0009 00).
2. If there are no diagnostic codes, then
perform Main Control Valve (MSD)
Calibration (WP 0017 00).
3. If problem still exists, go to Test 2.
2. Check that lift sensor is properly
1. Readjust as necessary.
mounted (WP 0085 00) and perform
2. If problem still exists, go to Test 3.
Joystick Control Position Sensor
Calibration (WP 0017 00).
3. Check for leaks or damage to lift
1. If damaged, replace lift cylinders (WP
cylinders.
0153 00).
2. If problem still exists, go to Test 4.
4. Perform Pilot Pressure to Main
If damaged, replace main control valve
Control Valve Check (WP 0017 00).
(WP 0218 00).
N OT E
13. There is Too Much Tilt
Cylinder Drift.
Drift is cylinder movement with pilot operated control in HOLD position.
1. Check for active diagnostic codes.
1. If any diagnostic codes exist, refer to
Troubleshooting with a Diagnostic
Code (WP 0009 00).
2. If there are no diagnostic codes, then
perform Main Control Valve (MSD)
Calibration (WP 0017 00).
3. If problem still exists, go to Test 2.
2. Perform Relief Valve (Main, Load
1. Adjust as necessary.
Sensing) Test and Adjustment (WP
2. If problem still exists, go to Test 3.
1. Adjust as necessary.
3. Check that tilt sensor is properly
2. If problem still exists, go to Test 4.
mounted (WP 0089 00) and perform
Joystick Control Position Sensor
Calibration (WP 0017 00).
4. Check for leaks or damage to lift
1. If damaged, replace lift cylinders (WP
cylinders.
0153 00).
2. If problem still exists, go to Test 5.