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. Inspect lift cylinders for damage.
1. If damaged, replace lift cylinders (WP
15. Lift Cylinders Collapse
0153 00).
During Raise Operation -
2. If problem still exists, go to Test 6.
Continued.
6. Check for leaks or damage to lift
1. If damaged, replace lift cylinders (WP
cylinders.
0153 00).
2. If faulty, replace control valve (WP
0218 00).
1. Ensure machine is being operated
Increased load could be impeding
16. There is Low Power to
performance of machine.
within specified parameters (TM 5-
Implements.
3805-291-10).
2. Engine power is too low.
1. Increase engine rpm.
2. If problem still exists, go to Test 3.
3. 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 4.
4. Perform Main Control Valve (MSD)
If problem still exists, go to Test 5.
Calibration (WP 0017 00).
5. Perform Pressure Reducing Valve
1. Adjust as necessary.
Adjustment (WP 0017 00).
2. If problem still exists, go to Test 6.
6. Perform Relief Valve (Main, Load
1. Adjust as necessary.
Sensing) Test and Adjustment (WP
2. If problem still exists, go to Test 7.
7. 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 8.
8. Inspect lift and tilt cylinders for
1. If damaged, replace lift or tilt
damage.
cylinder(s) as necessary (WP 0152 00
and WP 0153 00).
2. If problem still exists, replace
implement pump (WP 0216 00).