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
N OT E
17. Tilt Cylinders Collapse
During Tilt Function.
Cylinder collapse is a sudden drop during normal operation.
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.
3. Perform Joystick Control Position
1. If faulty, replace pilot operated control
Sensor Calibration (WP 0017 00).
(WP 0218 00).
2. If problem still exists, go to Test 4.
4. Inspect tilt cylinders for damage.
1. If damaged, replace tilt cylinders (WP
0152 00).
2. If problem still exists, go to Test 5.
If faulty, replace control valve (WP 0218
5. Check for leaks or damage to lift
cylinders.
00).
N OT E
18. Tilt Cylinder Droops
During Tilt Function.
Droop is an initial movement of hydraulic cylinders. After movement in
opposite direction of operator's command, cylinders will move in correct
direction.
1. Check operation when oil is warm (TM If problem still exists, go to Test 2.
5-3805-291-10).
2. Check for leaks or damage to tilt
1. If damaged, replace tilt cylinders (WP
cylinders.
0152 00).
2. If problem still exists, go to Test 3.
3. Check for leaks or damage to lift
If faulty, replace control valve (WP 0218
cylinders.
00).