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Problem
Slow cylinder shaft speed
while extending and
retracting
Leaking Cylinder
Engine runs but wood will
not split or wood splits too
slowly
Engine stalls during splitting
Engine will not turn or stalls
under low load conditions
Leaking pump shaft seal
Cause
1. Gear sections damaged.
2. Excessive pump inlet vacuum.
3. SIowengine 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. Low horsepower/weak engine.
2. Overloaded cylinder.
1. Engine/pump misalignment.
2. Frozen or seized pump.
3. Low horsepower/weakengine.
4. Hydraulic lines blocked.
5. Blocked directional valve.
1. Broken drive shaft.
2. Engine/pump misalignment.
3. Gear sections damaged.
4. Poorly positioned shaft seal.
5. Plugged oil breather.
Remedy
1,
2.
See authorized service dealer.
Make certain pump inlet hoses are clear and
unblocked-use short, large diameter inlet
hoses.
See authorized service dealer.
See authorized service dealer.
Check oil level.
Drain oil, clean reservoir and refill.
Seeauthorized service dealer.
Seeauthorized service dealer
3.
4.
5.
6.
Z
8.
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 reservoirand 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. Do not attempt to split wood against the
grain or see authorized service dealer.
1. Correct alignment as necessary.
2. See authorized service dealer.
3. See authorized service dealer.
4. Flush and clean hydraulic system.
5. Flush and clean hydraulic system.
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.
SECTION7 -- TROUBLESHOOTING 19
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