Craftsman 247.77466 Manual del operador descargar pdf (Pagina 19)

TROUBLESHOOTING

Slow cylinder shaft

speed while extending

and retracting.

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. 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. Return unit to Sears service center.

2. Return unit to Sears service center.

1. Broken seals.

2. Scored cylinder.

Engine stalls during

splitting

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. Low horsepower/weak engine.

2. Overloaded cylinder.

Engine will not turn or

stalls under low load

conditions

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. 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. 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.

CauseProblem Remedy

Leaking pump shaft

seal

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.

1. Broken drive shaft.

2. Engine/pump misalignment.

3. Gear sections damaged.

4. Poorly positioned shaft seal.

5. Plugged oil breather.

NOTE: This section addresses minor service issues. For further details, contact Sears service information line by calling

1-800-4-MY-HOME.

Will not split logs

1. Refill with Dexron III automatic

transmission fluid.

1. Reservoir fluid level low.

For Parts Call 606-678-9623 or 606-561-4983

www.mymowerparts.com

For Parts Call 606-678-9623 or 606-561-4983

www.mymowerparts.com

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Craftsman 247.77466 Manual del operador Pagina 19

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