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Slow Ram speed when
extending or retracting
1. Slow pumping of jack
handles.
2. Air in oil.
3. Damaged control valve.
4. Internal control valve leak.
5. Internally damaged cylinder.
1. Move the jack handles at a faster Pace.
2. Purge air from splitter’s hydraulic
system.
3. Have a qualified service professional
repair/replace control valve.
4. Have a qualified service professional
repair/replace control valve.
5. Have a qualified service professional
repair/replace cylinder.
Wood will not split, or
splits extremely slowly.
1. Air in oil.
2. Excessive control valve inlet
vacuum.
3. Low control valve setting.
4. Internal control valve leak.
5. Internally damaged cylinder.
1. Check for excessive air in hydraulic
reservoir.
2. Check control valve inlet hose for
blockage or kinks.
3. Have a qualified service professional
adjust control valve with a pressure
gauge.
4. Have a qualified service professional
repair/replace control valve.
5. Have a qualified service professional
repair/replace cylinder.
Follow all of the safety precautions whenever diagnosing or servicing the equipment.
