Cub Cadet LS 25 CC H Operator's Manual page 10

Problem
Cylinder rod will not move
Slow cylinder shaft speed while extending and
retracting
Leaking Cylinder
Engine runs but wood will not split or wood splits
too slowly
Leaking pump shaft seal
Wedge continues to move when control handle
is released
Control handle does not return to neutral when
released from forward position
TROUBLESHOOTING
Cause
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 directional valve.
10. Blocked directional valve.
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. Directional valve leaking internally.
8. Internally damaged cylinder.
1. Broken seals.
2. Scored cylinder.
1. Small gear section damaged.
2. Pump check valve leaking.
3. Excessive pump inlet vacuum.
4. Incorrect oil level.
5. Contaminated oil.
6. Directional valve leaking internally.
7. Overloaded cylinder.
8. Internally damaged cylinder.
1. Broken drive shaft.
2. Engine/pump misalignment.
3. Gear sections damaged.
4. Poorly positioned shaft seal.
5. Plugged oil breather.
1. Damaged control valve.
1. Hydraulic fluid too cold.
2. Hydraulic fluid too thick.
3. Hydraulic fluid contaminated.
4. Damaged control valve.
10
Remedy
1. See authorized service dealer.
2. Disconnect hydraulic hoses, remove shipping plugs, 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 and fill as required.
9. See authorized service dealer.
10. Flush and clean hydraulic system.
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.
1. See authorized service dealer.
2. See authorized service dealer.
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.
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.
1. See authorized service dealer.
1. Warm up engine.
2. Replace hydraulic fluid.
3. Replace hydraulic fluid.
4. See authorized service dealer.