Harbor Freight Tools 67847 Cord, or eliminate extension cord. See Recommended

Page 17

Problem

 

Possible Causes

 

Likely Solutions

High Oil

1.

Crankcase oil too thin.

1.

Drain oil and refill to proper level with recommended

Consumption

 

 

 

oil.

 

2. Unit not on level surface.

2.

Reposition unit on a level surface.

 

3.

Crancase vents clogged.

3.

Clean Crankcase vents.

Overheating

1.

Filters need cleaning/replacing.

1.

Check inlet and outlet filters. Clean and/or replace as

 

 

 

 

needed.

 

2. Crankcase oil too thin or

2.

Drain oil and refill to proper level with recommended

 

 

incorrect type.

 

oil.

 

3.

Crankcase oil level too low.

3.

Add oil to proper level, check for leaks.

4.Unusually dusty environment. 4. Clean and/or replace filters more often or move unit to cleaner environment.

 

5.

Cord is too small of a gauge or

5.

Increase cord size or use shorter length extension

 

 

too long to handle compressor.

 

cord, or eliminate extension cord. See Recommended

 

 

 

 

Wire Gauge for Extension Cords in Safety section.

 

6.

Unit not on level surface.

6.

Reposition unit on a level surface.

Compressor

1.

Compressor not large enough

1.

Check if accessory SCFM is met by Compressor. If

starts and stops

 

for job.

 

Compressor doesn’t reach accessory SCFM, you need

excessively

 

 

 

a larger Compressor.

 

2.

Loose fittings.

2.

Reduce air pressure, then check all fittings with a soap

 

 

 

 

solution for air leaks and tighten as needed. Do not

 

 

 

 

overtighten.

 

 

 

 

 

Excessive noise

1.

Crankcase overfilled with oil

1.

Drain oil and refill to proper level with recommended

 

 

or oil is incorrect thickness or

 

oil.

 

 

type.

 

 

 

2.

Crankcase oil level too low.

2.

Add oil to proper level, check for leaks.

 

3.

Loose or damaged belt guard.

3.

Replace belt guard.

 

4.

Loose fittings.

4.

Reduce air pressure, then check all fittings with a soap

 

 

 

 

solution for air leaks and tighten as needed. Do not

 

 

 

 

overtighten.

 

5.

Unit not on level surface.

5.

Reposition unit on a level surface.

Moisture in

Too much moisture in air.

Install inline air filter/dryer, and/or relocate to less humid

discharge air

 

 

environment.

Oil in discharge air

1.

Crankcase oil too thin or

1.

Drain oil and refill to proper level with recommended

 

 

crankcase overfilled with oil.

 

oil.

 

2.

Crankcase vents clogged.

2.

Clean Crankcase vents.

Safety Valve “pops”

Safety valve needs service.

Pull on test ring of safety valve. If it still pops, replace.

Air leaks from pump

Loose fittings.

Reduce air pressure, then check all fittings with a soap

or fittings

 

 

solution for air leaks and tighten as needed. Do not

 

 

 

overtighten.

Air leaks from tank

Defective or rusted tank.

Have tank replaced by a qualified technician.

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

SKU 67847

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

Page 17

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Contents Model For technical questions or replacement parts, please callContents Save This Manual General Compressor SafetyMatching outlets will reduce risk of electric shock 25’ 50’ 100’ 150’ Air Compressor Safety WarningsGrounding 120 V~ 3-Prong Plug and Outlet SymbologyUnpacking SpecificationsInstructions for putting into use FunctionsAssembly/Mounting Work Piece and Work Area Set UpChecking the Oil Sample Air Line SetupSKU For technical questions, please call General Operating InstructionsCold Weather Operation Automatic Shut off System Emergency DepressurizationCleaning, Maintenance, Lubrication Maintenance ServicingOil Maintenance Maintenance ScheduleDraining Moisture from the Tank Air Filter MaintenanceProblem Possible Causes Likely Solutions Cord, or eliminate extension cord. See Recommended Part Description Qty Parts ListAssembly Diagram Mission Oaks Blvd. PO Box 6009 Camarillo, CA 93011 800 Limited 1 year / 90 day Warranty