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19se c t i O n 8 — tr O u b l e s h O O t i n g
Problem Cause Remedy
Slow cylinder shaft speed
while extending and
retracting.
Gear sections damaged.1.
Excessive pump inlet vacuum. 2.
Slow engine speed.3.
Damaged relief valve.4.
Incorrect oil level.5.
Contaminated oil.6.
Directional valve leaking internally.7.
Internally damaged cylinder.8.
See authorized service dealer.1.
Make certain pump inlet hoses are clear and 2.
unblocked-use short, large diameter inlet
hoses.
See authorized service dealer.3.
See authorized service dealer.4.
Check oil level.5.
Drain oil, clean reservoir, and refill.6.
See authorized service dealer.7.
See authorized service dealer.8.
Leaking Cylinder Broken seals.1.
Scored cylinder.2.
See authorized service dealer.1.
See authorized service dealer.2.
Engine runs but wood will
not split or wood splits too
slowly
Small gear section damaged.1.
Pump check valve leaking.2.
Excessive pump inlet vacuum. 3.
Incorrect oil level.4.
Contaminated oil.5.
Directional valve leaking internally.6.
Overloaded cylinder. 7.
Internally damaged cylinder.8.
See authorized service dealer.1.
See authorized service dealer.2.
Make certain pump inlet hoses are clear and 3.
unblocked.
Check oil level.4.
Drain oil, clean reservoir, and refill.5.
See authorized service dealer.6.
Do not attempt to split wood against the 7.
grain.
See authorized service dealer.8.
Engine stalls during splitting Low horsepower/weak engine.1.
Overloaded cylinder.2.
See authorized service dealer.1.
Do not attempt to split wood against the 2.
grain or see authorized service dealer.
Engine will not turn or stalls
under low load conditions
Engine/pump misalignment.1.
Frozen or seized pump.2.
Low horsepower/weak engine.3.
Hydraulic lines blocked.4.
Blocked directional valve.5.
Correct alignment as necessary.1.
See authorized service dealer.2.
See authorized service dealer.3.
Flush and clean hydraulic system.4.
Flush and clean hydraulic system.5.
Leaking pump shaft seal Broken drive shaft.1.
Engine/pump misalignment.2.
Gear sections damaged.3.
Poorly positioned shaft seal.4.
Plugged oil breather.5.
See authorized service dealer.1.
Correct alignment as necessary.2.
See authorized service dealer.3.
See authorized service dealer.4.
Make certain reservoir is properly vented.5.