Harbor Freight Tools 69728 owner manual Use Engine will not start Compression Related section

Page 19

Troubleshooting (cont.)

 

 

 

 

 

 

 

Problem

 

Possible Causes

 

Probable Solutions

 

 

 

1.

Spark plug cap loose.

1.

Check wire connections.

 

 

 

2.

Incorrect spark plug gap or

2.

Re-gap or replace spark plug.

 

Safety

 

 

damaged spark plug.

 

 

 

 

 

 

 

 

 

 

3.

Defective spark plug cap.

3.

Replace spark plug cap.

 

 

Engine misfires

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.)

 

 

 

1.

Low oil shutdown.

1.

Fill engine oil to proper level.

 

 

 

 

 

 

 

 

Check 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.

 

 

Engine stops

 

 

 

Do not use gasoline with more than

 

 

 

 

 

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

 

 

suddenly

3.

Defective fuel tank cap creating

3.

Test/replace fuel tank cap.

 

Setup

 

 

 

 

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.

 

 

2.

Engine running cold.

2.

Allow engine to warm up prior

 

 

under heavy load

 

 

 

 

 

to operating equipment.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Old or low quality gasoline.

1.

Fill fuel tank with fresh 87+ octane

 

 

 

 

 

 

unleaded gasoline.

 

 

 

 

 

 

Do not use gasoline with more than

 

 

Engine knocks

 

 

 

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

 

 

 

2.

Engine overloaded.

2.

Do not exceed equipment’s load rating.

 

Operation

 

3.

Incorrect spark timing, deposit buildup,

3.

Have qualified technician diagnose

 

 

 

 

 

 

worn engine, or other mechanical problems.

 

and service engine.

 

 

 

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.).

 

 

Engine backfires

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.

 

 

 

 

 

1.

Product not plugged in properly.

1.

Turn off and unplug the product, then

 

 

Product doesn’t

 

 

 

plug it back in again and turn on.

 

 

2.

Circuit Breaker tripped.

2.

Turn off and unplug product, Reset Circuit

 

 

have power

 

Maintenance

 

 

 

Breaker. Plug in product and turn on.

 

 

 

 

 

 

 

3.

Product needs service.

3.

Have product repaired.

 

 

 

 

 

1.

Problem with appliance.

1.

Immediately unplug appliance. Have

 

 

 

 

 

 

appliance repaired by a qualified

 

 

Product begins to

 

 

 

technician, or replace appliance.

 

 

operate abnormally

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.

Item 69728 / 69729

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

Page 19

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

 

 

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Contents Item 69728 Table of Contents Important Safety InstructionsCarbon Monoxide Hazard Using a generator indoors can Kill Operating PrecautionsSafety Setup Operation MaintenanceFet Sa Setu RatiepO Maintenan Setup Service PrecautionsComponents and Controls SpecificationsFet Sa Setu RatiepO Safety Setup Operation Maintenance Generator Pre-Start Checks GroundingChecking and Filling Engine Oil Safety Setup Using the GeneratorChecking and Filling Fuel Fet Sa Setu Starting the EngineRatiepO Maintenan Setup Operation Connecting Electrical LoadsExample EquipmentTo Calculate Wattage Stopping the Engine in an Emergency Turn the Engine Switch offStopping the Engine Under Normal Conditions Hr. of use Cleaning, Maintenance, and LubricationEngine Oil Change Checking and Filling FuelSetu RatiepO Maintenan Air Filter Element MaintenanceSpark Plug Maintenance CleaningLubrication BatteryStorage FuelDo not use gasoline with more than Troubleshooting10% ethanol E15, E20, E85, etc Use Engine will not start Compression Related section Please Read the Following Carefully Parts ListFollowing parts are only on Safety Setup OperationItem 69728 EPA/CARB version Item 69729 EPA versionItem 69728 EPA/Carb version Assembly DiagramOwner’s Warranty Responsibilities For both item numbers Manufacturer’s Warranty CoverageMission Oaks Blvd. PO Box 6009 Camarillo, CA 93011 800

69728 specifications

Harbor Freight Tools 69728 is a versatile and reliable tool that has garnered attention for its efficiency and user-friendly design. This tool is particularly favored by both professionals and DIY enthusiasts for its performance and affordability.

One of the standout features of the 69728 is its robust construction. Built with high-quality materials, it ensures longevity and durability, even under heavy usage conditions. This makes it ideal for various tasks, from simple household repairs to more intensive projects. Its design incorporates a rubberized grip, providing maximum comfort while reducing fatigue during extended use.

The Harbor Freight 69728 comes equipped with a powerful motor that enhances its overall performance. This motor operates smoothly, facilitating various applications without compromising speed or effectiveness. Additionally, the tool is designed to offer variable speed settings, allowing users to adjust the speed according to the requirements of their specific task. This feature adds versatility, making it suitable for intricate jobs that demand precision as well as more extensive applications that require power.

Another significant characteristic of the 69728 is its lightweight design. Weighing significantly less than comparable tools on the market, it offers ease of handling and portability. This makes it an excellent choice for those who frequently move between jobs or require a tool that can easily be transported.

Safety is a priority with the Harbor Freight 69728, and it includes several safety features that provide peace of mind during operation. The built-in safety trigger prevents accidental starts, ensuring the tool is only activated when the user intends to use it.

In terms of technological advancements, the 69728 integrates modern engineering with a focus on user efficiency. It features easy-to-use controls that are intuitive, minimizing the learning curve for beginners while still providing seasoned users with reliable functionality.

Overall, the Harbor Freight Tools 69728 stands out as a formidable option for anyone seeking a dependable and high-quality tool. Its combination of power, durability, user comfort, and safety features positions it as a valuable addition to any toolkit. Whether you are a professional contractor or a weekend hobbyist, the 69728 is engineered to meet your needs and exceed your expectations.
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