Harbor Freight Tools 68328 Engine Troubleshooting, Problem Possible Causes Probable Solutions

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Engine Troubleshooting

Problem

 

Possible Causes

 

Probable Solutions

Engine will not start

Fuel Related:

Fuel Related:

 

1.

No fuel in tank or fuel valve closed.

1.

Fill fuel tank and open fuel valve.

 

2.

Choke not in CHOKE position, cold engine.

2.

Move Choke to CHOKE position.

 

3.

Gasoline with more than 10% ethanol

3.

Clean out ethanol rich gasoline from fuel

 

 

used. (E15, E20, E85, etc.)

 

system. Replace components damaged

 

 

 

 

by ethanol. Use fresh 87+ octane

 

 

 

 

unleaded gasoline only.

 

 

 

 

Do not use gasoline with more than

 

 

 

 

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

 

4.

Low quality or deteriorated, old gasoline.

4.

Use fresh 87+ octane unleaded gasoline.

 

 

 

 

Do not use gasoline with more than

 

 

 

 

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

 

5.

Carburetor not primed.

5.

Pull on Starter Handle to prime.

 

6.

Dirty fuel passageways.

6.

Clean out passageways using fuel additive.

 

 

 

 

Heavy deposits may require further cleaning.

 

7.

Carburetor needle stuck. Fuel

7.

Gently tap side of carburetor float

 

 

can be smelled in the air.

 

chamber with screwdriver handle.

 

8.

Too much fuel in chamber. This can be

8.

Turn Choke to RUN position. Remove spark

 

 

caused by the carburetor needle sticking.

 

plug and pull the start handle several times

 

 

 

 

to air out the chamber. Reinstall spark

 

 

 

 

plug and set Choke to CHOKE position.

 

9.

Clogged Fuel Filter.

9.

Replace Fuel Filter.

 

Ignition (spark) Related:

Ignition (spark) Related:

 

1.

Spark plug cap not connected securely.

1.

Connect spark plug cap properly.

 

2.

Spark plug electrode wet or dirty.

2.

Clean spark plug.

 

3.

Incorrect spark plug gap.

3.

Correct spark plug gap.

 

4.

Spark plug cap broken.

4.

Replace spark plug cap.

 

5.

Incorrect spark timing or

5.

Have qualified technician diagnose/

 

 

faulty ignition system.

 

repair ignition system.

 

Compression Related:

Compression Related:

 

1.

Cylinder not lubricated. Problem after long

1.

Pour tablespoon of oil into spark

 

 

storage periods.

 

plug hole. Crank engine a few

 

 

 

 

times and try to start again.

 

2.

Loose or broken spark plug. (Hissing

2.

Tighten spark plug. If that does not work,

 

 

noise will occur when trying to start.)

 

replace spark plug. If problem persists,

 

 

 

 

may have head gasket problem, see #3.

 

3.

Loose cylinder head or damaged

3.

Tighten head. If that does not remedy

 

 

head gasket. (Hissing noise will

 

problem, replace head gasket.

 

 

occur when trying to start.)

 

 

 

4.

Engine valves or tappets

4.

Have qualified technician diagnose/

 

 

mis‑adjusted or stuck.

 

repair ignition system.

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

Page 16

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

Item 68328

 

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

 

Image 18
Contents 2Gasoline Powered Clear Water Pump Using an engine indoors can Kill YOUSpecifications PumpSafety Warnings Symbol DefinitionsSet up Precautions Symbol Property or StatementEngine Precautions Operating Precautions Carbon Monoxide Hazard Using an engine indoors can KillService Precautions RefuelingControls Set up Connecting HosesDischarge Port Locating the Water Pump Operation ConcernsPrime the Pump Checking and Filling Engine Oil Pre-Start ChecksOperation Checking and Filling FuelTurn the Engine Switch on Starting the EngineStopping the Engine Break-in PeriodMaintenance and Service Maintenance ProceduresCleaning, Maintenance, and Lubrication Schedule Hr. of useAir Filter Element Maintenance CleaningEngine Oil Change Spark Plug Maintenance Cap Recommended Spark PlugBrand Storage Pump Troubleshooting Problem Possible Causes Likely SolutionsDo not use gasoline with more than Engine TroubleshootingProblem Possible Causes Probable Solutions 10% ethanol E15, E20, E85, etcUse Engine will not start Compression Related sectionParts List Including Item 68124 99cc engine Part Description QtyParts Diagram Including Item 68124 99cc engine For Engine For Pump Technical questions, pleaseCall 1-800-444-3353. call Manufacturer’s Warranty Coverage Emission Control System WarrantyUnited States Emission Control Defects Warranty Statement WarrantiesCoverage Exclusions Service and MaintenanceConsequential Damages Coverage Warranted PartsMission Oaks Blvd. PO Box 6009 Camarillo, CA

68328 specifications

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The Harbor Freight Tools 68328 is primarily known for its portability and ease of use, making it an ideal option for those who require a dependable tool on the go. This model stands out with its robust structural design and lightweight framework, allowing users to handle it effortlessly without compromising on performance. Its size makes it suitable for tight spaces, enabling access to areas that might be challenging for larger tools.

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