40
Troubleshooting
TROUBLESHOOTING CHART
Problem
Cause
Solution
Cylinder rod will not move
1. Broken drive shaft.
2. Shipping plugs left in hydraulic
hoses.
3. Set screws in coupling not adjusted
properly.
4. Loose shaft coupling.
5. Gear sections damaged.
6. Damaged relief valve.
7. Hydraulic lines blocked.
8. Incorrect oil level.
9. Damaged control valve.
10. Blocked control valve.
1. See authorized service dealer.
2. Disconnect hydraulic hoses, remove
shipping plugs, and reconnect hoses.
3. See authorized service dealer.
4. Correct engine/pump alignment as
necessary.
5. See authorized service dealer.
6. See authorized service dealer.
7. Flush and clean hydraulic system.
8. Check oil level.
9. See authorized service dealer.
10. Flush and clean hydraulic system
Slow cylinder shaft speed while
extending and retracting
1. Gear sections damaged.
2. Excessive pump inlet vacuum.
3. Slow engine speed.
4. Damaged relief valve.
5. Incorrect oil level.
6. Contaminated oil.
7. Control valve leaking internally.
8. Internally damaged cylinder.
1. See authorized service dealer.
2. Make certain pump inlet hoses are
clear and unblocked. use short, large
diameter inlet hoses.
3. See authorized service dealer.
4. See authorized service dealer.
5. Check oil level.
6. Drain oil, clean reservoir and refill.
7. See authorized service dealer.
8. See authorized service dealer
Leaking Cylinder
1. Worn seals.
2. Scored cylinder.
1. See authorized service dealer.
2. See authorized service dealer.
Wood will not split or wood splits too
slowly
1. Small gear section damaged.
2. Pump check valve leaking.
3. Excessive pump inlet vacuum.
4. Incorrect oil level.
5. Contaminated oil.
6. Control valve leaking internally.
7. Overloaded cylinder.
8. Internally damaged cylinder.
1. See authorized service dealer.
2. See authorized service dealer.
3. Make certain pump inlet hoses are
clear and unblocked.
4. Check oil level.
5. Drain oil, clean reservoir and refill.
6. See authorized service dealer.
7. Do not attempt to split wood against
the grain.
8. See authorized service dealer.
Leaking pump shaft seal
1. Broken drive shaft.
2. Engine/pump misalignment.
3. Gear sections damaged.
4. Damaged shaft seal.
5. Plugged oil breather.
1. See authorized service dealer.
2. Correct alignment as necessary.
3. See authorized service dealer.
4. See authorized service dealer.
5. Make certain reservoir is properly
vented.
Wedge continues to move forward
when control handle is released
1. Damaged control valve
1. See authorized service dealer.
Control handle does not return to
neutral when released from forward
position
1. Hydraulic fluid too cold.
2. Hydraulic fluid too thick.
3. Hydraulic fluid contaminated.
4. Damaged control valve.
1. Warm up engine.
2. Replace hydraulic fluid.
3. Replace hydraulic fluid.
4. See authorized service dealer.
TROUBLESHOOTING