Harbor Freight Tools 20 ton Log Splitter Manual descargar pdf (Pagina 23)

Page 23For technical questions, please call 1-888-866-5797.ITEM 61594

SAFETYOPERATIONMAINTENANCE SETUP

Problem Possible Causes Probable Solutions

Engine stops

suddenly

1. Fuel tank empty or full of impure or low

quality gasoline.

2. Low oil shutdown.

3. Defective fuel tank cap creating vacuum,

preventing proper fuel flow.

4. Faulty magneto.

5. Disconnected or improperly

connected spark plug cap.

1. Fill fuel tank with fresh 87+ octane

unleaded gasoline.

Do not use gasoline with more than

10% ethanol (E15, E20, E85, etc.).

2. Fill engine oil to proper level.

Check engine oil before EVERY use.

3. Test/replace fuel tank cap.

4. Have qualified technician service magneto.

5. Secure spark plug cap.

Engine stops when

under heavy load

1. Dirty air filter

2. Engine running cold.

1. Clean element.

2. Allow engine to warm up prior

to operating equipment.

Engine knocks

1. Old or low quality gasoline.

2. Engine overloaded.

3. Incorrect spark timing, deposit buildup,

worn engine, or other mechanical problems.

1. Fill fuel tank with fresh 87+ octane

unleaded gasoline.

Do not use gasoline with more than

10% ethanol (E15, E20, E85, etc.).

2. Do not exceed equipment’s load rating.

3. Have qualified technician

diagnose and service engine.

Engine backfires

1. Impure or low quality gasoline.

2. Engine too cold.

3. Intake valve stuck or overheated engine.

4. Incorrect timing.

1. Fill fuel tank with fresh 87+ octane

unleaded gasoline.

Do not use gasoline with more than

10% ethanol (E15, E20, E85, etc.).

2. Use cold weather fuel and

oil additives to prevent backfiring.

3. Have qualified technician

diagnose and service engine.

4. Check engine timing.

Wood will not

split, or splits

extremely slowly

1. Hydraulic fluid level is low.

2. Air trapped in the hydraulic system.

3. Excessive pump inlet vacuum.

4. Low control valve setting.

5. Leaking control valve.

6. Internally damaged cylinder.

1. Check fluid level and add fluid as needed.

2. Bleed hydraulic system.

3. Check pump inlet hose for

blockage or kinks.

4. Have qualified technician adjust control

valve with a pressure gauge.

5. Have qualified technician service tool.

6. Have qualified technician service tool.

Slow cylinder

shaft speed

1. Hydraulic fluid level is low.

2. Air trapped in the hydraulic system.

3. Excessive pump inlet vacuum.

4. Leaking or damaged control valve.

5. Internally damaged cylinder.

1. Check fluid level and add fluid as needed.

2. Bleed hydraulic system.

3. Check pump inlet hose for

blockage or kinks.

4. Have qualified technician service tool.

5. Have qualified technician service tool.

Cylinder rod

will not move

1. Hydraulic fluid level is low.

2. Blocked hydraulic lines or control valve.

3. Damaged control valve.

4. Damaged cylinder piston.

1. Check fluid level and add fluid as needed.

2. Flush and clean hydraulic system.

3. Have qualified technician service tool.

4. Have qualified technician service tool.

Engine bogs down

during splitting

High control valve setting. Have qualified technician adjust control

valve with a pressure gauge.

Engine stalls

under light load

Blocked hydraulic lines or control valve. Flush and clean hydraulic system.

Follow all safety precautions whenever diagnosing or servicing the equipment or engine.

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Harbor Freight Tools 20 ton Log Splitter Manual Pagina 23

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