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Copyright © 2015 MAT Engine Technologies, LLC
ENG -
16
ENG -
17
PROBLEM
POSSIBLE CAUSE(S)
SOLUTION(S)
Cylinder rod will not move
1. Insufficient oil to pump
2. Blocked hydraulic lines
3. Blocked control valve
4. Damaged control valve
5. Internal cylinder leak
1. Check oil level in reservoir
2. Flush and clean the splitter hydraulic
system
3. Flush and clean the splitter hydraulic
system
4. Return control valve for authorized
repair
5. Return cylinder for authorized repair
Slow cylinder rod speed when
extending or retracting
1. Insufficient oil to pump
2. Air in oil
3. Excessive pump inlet vacuum
4. Damaged control valve
5. Internal control valve leak
6. Internally damaged cylinder
7. Engine Control out of
adjustment
1. Check oil level in reservoir
2. Check oil level in reservoir
3. Check pump inlet hose for blockage
or kinks
4. Return control valve for authorized
repair
5. Return control valve for authorized
repair
6. Return control valve for authorized
repair
7. Adjust idle control nuts
Wood will not split or splits
extremely slowly
1. Insufficient oil to pump
2. Air in oil
3. Excessive pump inlet vacuum
4. Low control valve setting
5. Internal control valve leak
6. Internally damaged cylinder
1. Check oil level in reservoir
2. Check oil level in reservoir
3. Check pump inlet hose for blockage or
kinks
4. Adjust control valve with a pressure
gauge
5. Return control valve for authorized
repair
6. Return cylinder for authorized repair
Engine bogs down during
splitting
1. High control valve setting
2. Engine Control out of
adjustment
1. Adjust control valve with a pressure
gauge
2. Adjust idle control nuts
Engine stalls under low load
condition
1. Blocked hydraulic lines
2. Blocked control valve
3. Engine Control out of
adjustment
4. Engine is loaded during idle
down mode
1. Flush and clean the splitter
hydraulic system
2. Flush and clean the splitter
hydraulic system
3. Adjust idle control nuts
4. Use shorter log length (26” or less)
to allow engine to speed up before
contact
Engine starts problem
1. Engine operation
1. Refer to the owner’s manual
Troubleshooting
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