Maintenance & Service Tips
Click the symptom below that most closely matches your experience.
POSSIBLE CAUSE | SERVICE TIPS |
Insufficient oil to pump. | Keep oil reservoir full and clean. |
Foaming-air in oil. | Keep oil reservoir full and clean. Return tube to tank should be below oil level. |
Excess pump inlet vacuum. | Check pump inlet hose for kinks. Use as short and as large a diameter inlet hose as possible. |
Leakage through pump check valve. | Contact Customer Service for corrective action. |
Pump high-pressure gearset damaged. | Contact Customer Service for corrective action. |
Internal leakage in directional valve. | Contact Customer Service for corrective action. |
Relief valve setting too low. | Do not adjust valves without the proper equipment (pressure gauges). |
Cylinder overloaded. | Do not split logs against the grain. |
Internal leakage in cylinder. | Contact Customer Service for corrective action. |
POSSIBLE CAUSE | SERVICE TIPS |
Sequence valve setting too high. | Do not adjust valves without the proper equipment (pressure gauges). Contact Customer Service for corrective action. |
Relief valve setting too high. | Do not adjust valves without the proper equipment (pressure gauges). |
Cylinder overloaded. | Do not split logs against the grain. |
Weak engine--low horse-power. | Contact Customer Service for corrective action. |
POSSIBLE CAUSE | SERVICE TIPS |
Insufficient oil to pump. | Keep oil reservoir full and clean. |
Foaming-air in oil. | Keep oil reservoir full and clean. Return tube to tank should be below oil level. |
Excess pump inlet vacuum. | Check pump inlet hose for kinks. Use as short and as large a diameter inlet hose as possible. |
Pump gearsets damaged. | Contact Customer Service for corrective action. |
Internal leakage in directional valve. | Contact Customer Service for corrective action. |
Relief valve damaged. | Do not adjust valves without the proper equipment (pressure gauges). Contact Customer Service for corrective action. |
Internal leakage in cylinder. | Contact Customer Service for corrective action. |
Engine speed too slow. | Contact Customer Service for corrective action. |
POSSIBLE CAUSE | SERVICE TIPS |
Insufficient oil to pump. | Keep oil reservoir full and clean. Tail |
Pump gearsets damaged. | Contact Customer Service for corrective action. |
Driveshaft broken. | Contact Customer Service for corrective action. |
Directional valve damaged. | Contact Customer Service for corrective action. |
Obstruction in directional valve. | Flush and clean hydraulic system. Contact Customer Service for corrective action. |
Obstruction in hydraulic lines. | Flush and clean hydraulic system. |
Relief valve damaged. | Do not adjust valves without the proper equipment (pressure gauges). Contact Customer Service for corrective action. |
Shalf coupling loose. | Precise alignment of engine and pump is necessary (do not force). |
POSSIBLE CAUSE | SERVICE TIPS |
Pump seized--frozen up. | Contact Customer Service for corrective action. |
Obstruction in directional valve. | Flush and clean hydraulic system. Contact Customer Service for corrective action. |
Obstruction in hydraulic lines. | Flush and clean hydraulic system. |
Weak engine--low horse-power. | Contact Customer Service for corrective action. |
Improper engine/pump alignment. | Precise alignment of engine and pump is necessary (do not force). |
POSSIBLE CAUSE | SERVICE TIPS |
Tank breather plugged. | Tank must be vented to atmospheric pressure. |
Shaft seal improperly vented. | Contact Customer Service for corrective action. |
Pump gearsets damaged. | Contact Customer Service for corrective action. |
Driveshaft broken. | Contact Customer Service for corrective action. |
Improper engine/pump alignment. | Precise alignment of engine and pump is necessary (do not force). |