Troubleshooting (cont.)

 

 

 

 

 

 

 

 

 

Problem

 

Possible Causes

 

Probable Solutions

 

 

Engine misfires

1.

Spark plug cap loose.

1.

Check wire connections.

SAFETY

 

 

2.

Incorrect spark plug gap or

2.

Re-gap or replace spark plug.

 

 

 

damaged spark plug.

 

 

 

 

3.

Defective spark plug cap.

3.

Replace spark plug cap.

 

 

 

 

 

 

4.

Old or low quality gasoline.

4.

Use only fresh 87+ octane unleaded gasoline.

 

 

 

 

 

 

Do not use gasoline with more than

 

 

 

 

 

 

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

 

 

 

 

 

5.

Diagnose and repair compression.

 

 

 

5.

Incorrect compression.

 

(Use Engine will not start:

 

 

 

 

 

 

COMPRESSION RELATED section.)

 

 

Engine stops

1.

Low oil shutdown.

1.

Fill engine oil to proper level. Check

 

 

 

suddenly

 

 

 

engine oil before EVERY use.

 

 

 

 

 

 

 

2.

Fuel tank empty or full of impure or low

2.

Fill fuel tank with fresh 87+ octane

 

 

 

 

quality gasoline.

 

unleaded gasoline.

 

 

 

 

 

 

Do not use gasoline with more than

SETUP

 

 

 

 

 

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

 

 

3.

Defective fuel tank cap creating

3.

Test/replace fuel tank cap.

 

 

 

vacuum, preventing proper fuel flow.

 

 

 

 

 

 

 

 

 

 

 

4.

Faulty magneto.

4.

Have qualified technician service magneto.

 

 

 

5.

Disconnected or improperly

5.

Secure spark plug cap.

 

 

 

 

connected spark plug cap.

 

 

 

 

Engine stops when

1.

Dirty air filter.

1.

Clean or replace element.

 

 

under heavy load

2.

Engine running cold.

2.

Allow engine to warm up prior

 

 

 

 

 

 

to operating equipment.

 

 

 

 

 

 

 

 

 

Engine knocks

1.

Old or low quality gasoline.

1.

Fill fuel tank with fresh 87+ octane

 

 

 

 

 

 

unleaded gasoline.

 

 

 

 

 

 

Do not use gasoline with more than

 

 

 

 

 

 

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

OPERATION

 

 

2.

Engine overloaded.

2.

Do not exceed equipment’s load rating.

 

 

3.

Incorrect spark timing, deposit buildup,

3.

Have qualified technician diagnose

 

 

 

 

 

 

 

worn engine, or other mechanical problems.

 

and service engine.

 

 

Engine backfires

1.

Impure or low quality gasoline.

1.

Fill fuel tank with fresh 87+ octane

 

 

 

 

 

 

unleaded gasoline.

 

 

 

 

 

 

Do not use gasoline with more than

 

 

 

 

 

 

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

 

 

 

2.

Engine too cold.

2.

Use cold weather fuel and oil

 

 

 

 

 

 

additives to prevent backfiring.

 

 

 

3.

Intake valve stuck or overheated engine.

3.

Have qualified technician diagnose

 

 

 

 

 

 

and service engine.

 

 

 

4.

Incorrect timing.

4.

Check engine timing.

 

 

 

 

 

Product doesn’t

1.

Product not plugged in properly.

1.

Turn off and unplug the product, then

 

 

have power.

 

 

 

plug it back in again and turn on.

MAINTENANCE

 

 

2.

Circuit Breaker tripped.

2.

Turn off and unplug product, Reset Circuit

 

 

 

 

 

Breaker. Plug in product and turn on.

 

 

3.

Product needs service.

3.

Have product repaired.

 

 

 

 

 

Product begins to

1.

Problem with appliance.

1.

Immediately unplug appliance. Have

 

 

operate abnormally.

 

 

 

appliance repaired by a qualified

 

 

 

 

 

 

technician, or replace appliance.

 

 

 

2.

Rated load capacity exceeded.

2.

Lower the number of items plugged into the

 

 

 

 

 

 

generator to stay within the rated capacity,

 

 

 

 

 

 

or use a more powerful generator.

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

Page 18

For Generator technical questions, please call 1-800-444-3353.

Item 69672 / 69674

For Engine technical questions, please call 1-800-520-0882.

Page 17 Page 19
Page 18
Image 18
Harbor Freight Tools 69672 manual Use Engine will not start, Compression Related section
Page 17 Page 19

69672 specifications

Harbor Freight Tools is renowned for providing quality tools at affordable prices, and one of its standout products is the Harbor Freight Tools 69672. This product epitomizes the brand’s commitment to value and functionality, making it a favored choice among DIY enthusiasts and professionals alike.

The Harbor Freight 69672 is a versatile 4-inch bench vise designed to meet the demands of a wide range of applications, from woodworking to metalworking. One of its main features is its sturdy cast iron construction, which ensures durability and stability during use. This material not only offers a robust design but also helps to absorb vibrations, providing a secure grip for various workpieces.

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In summary, the Harbor Freight Tools 69672 bench vise combines robust construction, versatile features, and user-friendly design, making it a valuable asset in any workshop. Whether tackling small household repairs or larger projects, this tool stands out for its quality and functionality.
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