Harbor Freight Tools 68375 manual Use Engine will not start, Compression Related section

Page 19

Engine Troubleshooting (cont.)

Problem

 

Possible Causes

 

Probable Solutions

Engine misfires

1. Spark plug cap loose.

1.

Check wire connections.

 

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.

Incorrect compression.

5.

Diagnose and repair 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

 

 

 

 

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.).

 

2.

Engine overloaded.

2.

Do not exceed equipment’s load rating.

 

3.

Incorrect spark timing, deposit

3.

Have qualified technician diagnose

 

 

buildup, worn engine, or other

 

and service engine.

 

 

mechanical problems.

 

 

 

 

 

 

 

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.

 

 

 

 

 

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

Item 68375

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

Page 17

 

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

 

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Contents Using an engine indoors can Kill YOU Gasoline Powered Clear Water PumpPump SpecificationsSymbol Property or Statement Symbol DefinitionsSet up Precautions Safety WarningsCarbon Monoxide Hazard Using an engine indoors can Kill Engine Precautions Operating PrecautionsRefueling Service PrecautionsControls Connecting Hoses Set upDischarge Port Strainer must be fully immersed in water Locating the Water PumpOperation Concerns Checking and Filling Fuel Pre-Start ChecksOperation Prime the Pump Checking and Filling Engine OilStarting the Engine Break-in Period Stopping the EngineMaintenance and Service Cleaning, Maintenance, and Lubrication ScheduleEngine Oil Change 10W-30 5W-30Recommended Spark Plug Air Filter Element MaintenanceCleaning Spark Plug Maintenance CapAir Filter Cover Muffler Carburetor Drain Bolt Lubrication BatteryStorage FuelProblem Possible Causes Likely Solutions Pump Troubleshooting10% ethanol E15, E20, E85, etc Engine TroubleshootingProblem Possible Causes Probable Solutions Do not use gasoline with more thanCompression Related section Use Engine will not startPart Description Qty Parts List Including Item 68120 212cc engineDiagram Including Item 68120 212cc engine Warranties Emission Control System WarrantyUnited States Emission Control Defects Warranty Statement Manufacturer’s Warranty CoverageLength of Coverage Mission Oaks Blvd. PO Box 6009 Camarillo, CA

68375 specifications

Harbor Freight Tools is well-known for providing high-quality tools and equipment at affordable prices, and the Harbor Freight Tools 68375 is no exception. This versatile and powerful tool is designed to meet the needs of both DIY enthusiasts and professionals alike. The 68375 model is particularly favored for its robust features and user-friendly design.

One of the standout characteristics of the Harbor Freight Tools 68375 is its powerful motor. The tool is equipped with a high-efficiency motor that delivers impressive performance, making it suitable for various applications, from automotive repairs to woodworking projects. Users can expect a reliable power output, which enhances productivity and helps accomplish tasks with precision.

Another key feature of the 68375 is its ergonomic design. The tool is crafted with user comfort in mind, boasting a lightweight structure and intuitive controls. This ensures that even during extended use, operators experience minimal fatigue. The grip is designed to provide maximum control, allowing for precise handling, which is particularly important for intricate tasks.

The Harbor Freight Tools 68375 also integrates advanced safety features that enhance user experience and peace of mind. These include protective guards and safety switches that prevent accidental starts, ensuring that users can operate the tool without unnecessary risks. This focus on safety is a critical consideration for Harbor Freight, reflecting their commitment to customer satisfaction.

Furthermore, the 68375 model is designed for versatility. It comes with multiple attachments and accessories, allowing users to tackle a broad range of projects. Whether you are drilling, sanding, or cutting, this tool adapts easily, making it a valuable addition to any toolkit.

Additionally, the durability of the Harbor Freight Tools 68375 is impressive. Constructed with high-grade materials, it withstands the rigors of daily use, ensuring that it remains reliable over time. This durability is complemented by Harbor Freight's reputation for quality assurance, which further solidifies the trust users place in their products.

In summary, the Harbor Freight Tools 68375 is a well-rounded tool that excels in power, comfort, safety, and versatility. Its thoughtful design and robust features make it a preferred choice among both hobbyists and professionals. Whether for personal projects or professional commitments, the 68375 stands out as an essential tool that delivers consistent performance and reliability. This model exemplifies Harbor Freight's commitment to affordability without compromising on quality, making it a wise investment for anyone in need of a reliable addition to their toolbox.
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