Harbor Freight Tools 69474 owner manual Troubleshooting, Problem Possible Causes Likely Solutions

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Troubleshooting

Problem

 

Possible Causes

 

Likely Solutions

Tool will not start.

1.

Cord not connected.

1.

Check that cord is plugged in.

 

2.

No power at outlet.

2.

Check power at outlet. If outlet is unpowered,

 

 

 

 

turn off tool and check circuit breaker.

 

 

 

 

If breaker is tripped, make sure circuit is right

 

 

 

 

capacity for tool and circuit has no other loads.

 

3.

Internal damage or wear. (Carbon

3.

Have technician service tool.

 

 

brushes or switch, for example.)

 

 

Tool operates slowly.

1. Excess pressure applied to workpiece.

1.

Decrease pressure, allow tool to do the work.

 

2.

Power being reduced by long or

2.

Eliminate use of extension cord.

 

 

small diameter extension cord.

 

If an extension cord is needed, use one with

 

 

 

 

the proper diameter for its length and load.

 

 

 

 

See Extension Cords in GROUNDING section.

Performance

Carbon brushes worn or damaged.

Have qualified technician replace brushes.

decreases over time.

 

 

 

 

Excessive noise

Internal damage or wear.

Have technician service tool.

or rattling.

(Carbon brushes or bearings, for example.)

 

 

Overheating.

1.

Forcing tool to work too fast.

1.

Allow tool to work at its own rate.

 

2.

Blocked motor housing vents.

2.

Wear ANSI-approved safety goggles and

 

 

 

 

NIOSH-approved dust mask/respirator while

 

 

 

 

blowing dust out of motor using compressed air.

 

3.

Motor being strained by long or

3.

Eliminate use of extension cord.

 

 

small diameter extension cord.

 

If an extension cord is needed, use one with

 

 

 

 

the proper diameter for its length and load.

 

 

 

 

See Extension Cords in GROUNDING section.

Tool does not sand

1. Disc accessory may be

1.

Be sure disc accessory arbor is correct

or polish effectively.

 

loose on Spindle.

 

and Outer Flange/Arbor Nut is tight.

 

2.

Disc accessory may be damaged, worn

2.

Check condition and type of disc accessory.

 

 

or wrong type for the material.

 

Use only proper type of disc

 

 

 

 

accessory in good condition.

 

3.

Wax sprays off polishing pad.

3.

Reduce RPM to minimum setting.

Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power supply before service.

Safety

Setup

Operation

Maintenance

Item 69474

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

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Contents Polisher/Sander Work area safety Table of ContentsGeneral Power Tool Safety Warnings Personal safety Electrical safetySafety Operation MaintenanceService Power tool use and careFet Sa Rati Ope MaintenanSafety Setup Operation Maintenance Kickback and Related Warnings Vibration Safety Safety Warnings Specific for Sanding OperationsSafety Warnings Specific for Polishing Operations Grounded Tools Tools with Three Prong Plugs Setup No rati OpeDouble Insulated Tools Tools with Two Prong Plugs GroundingSafety Setup SymbologyExtension Cords 25′ 50′ 75′Setup No rati Ope Maintenan Assembly Installing the Auxiliary HandlesSpecifications Setup Before UseOption 3 Using with Both Auxiliary Handles Together Option 1 Using with the D-Handle AloneOption 2 Using with the Side Handle Alone No rati Ope Maintenan FunctionsFet Workpiece and Work Area Set Up Tool Set UpSetup Operation Maintenance Installing the Backing Pad/Foam PadPolishing Fet Sa Setup No rati Ope MaintenanSanding Maintenance and Servicing Cleaning, Maintenance, and LubricationProblem Possible Causes Likely Solutions TroubleshootingParts List and Diagram Parts ListPart Description Qty Part DescriptionAssembly Diagram Limited 90 Day Warranty