Craftsman 24BF570L099 Operator's Manual page 21

Before performing any type of maintenance/service, disengage all controls and stop the engine. Wait
until all moving parts have come to a complete stop. Disconnect spark plug wire and ground it against the
engine to prevent unintended starting. Always wear safety glasses during operation or while performing any
adjustments or repairs.
This section addresses minor service issues. To locate the nearest Sears Service Center or to schedule service, simply contact Sears
at 1-800-4-MY-HOME®.
pRobLEm
Slow cylinder shaft speed
while extending and retracting.
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
TROUBLESHOOTING
WARNING
CAuSE
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.
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/weak engine.
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.
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1. Return unit to Sears service center.
2. Make certain pump inlet hoses are clear and
unblocked. Use short, large diameter inlet hoses.
3. Return unit to Sears service center.
4. Return unit to Sears service center.
5. Check oil level. Refill if necessary.
6. Drain oil, clean reservoir, and refill.
7. Return unit to Sears service center.
8. Return unit to Sears service center.
1. Return unit to Sears service center.
2. Return unit to Sears service center.
3. Make certain pump inlet hoses are clear and
unblocked. Use short, large diameter inlet hoses.
4. Check oil level. Refill if necessary.
5. Drain oil, clean reservoir, and refill.
6. Return unit to Sears service center.
7. Do not attempt to split wood against the grain.
8. Return unit to Sears service center.
1. Return unit to Sears service center.
2. Do not attempt to split wood against the grain. If
engine stalls repeatedly, contact Sears service center.
1. Correct alignment as necessary.
2. Return unit to Sears service center.
3. Return unit to Sears service center.
4. Flush and clean hydraulic system.
5. Return unit to Sears service center
1. Return unit to Sears service center.
2. Correct alignment as necessary.
3. Return unit to Sears service center.
4. Return unit to Sears service center.
5. Make certain reservoir is properly vented.
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