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6
Hydraulic
Trouble
Shooting
For repairs beyond
the minor adjust-
ments listed here,
contact an authorized
service dealer.
Slow cylinder shaft
speed while extending
and retracting.
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. 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.
Leaking Cylinder
1. See authorized service dealer.
2. See authorized service dealer.
1. Broken seals.
2. Scored cylinder.
Engine stalls during
splitting
1. See authorized service dealer.
2. Do not attempt to split wood
against the grain or see authorized
service dealer.
1. Low horsepower/weak engine.
2. Overloaded cylinder.
Engine will not turn or
stalls under low load
conditions
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. Engine/pump misalignment.
2. Frozen or seized pump.
3. Low horsepower/weak engine.
4. Hydraulic lines blocked.
5. Blocked directional valve.
Engine runs but wood
will not split or wood
splits too slowly
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. 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.
CauseProblem Remedy
Leaking pump shaft
seal
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. Broken drive shaft.
2. Engine/pump misalignment.
3. Gear sections damaged.
4. Poorly positioned shaft seal.
5. Plugged oil breather.