Harbor Freight Tools 68021 Troubleshooting, Problem Possible Causes Likely Solutions

Models: 68021

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Troubleshooting

Problem

 

Possible Causes

 

Likely Solutions

Insufficient

1. Not enough air pressure.

1.

Check for loose connections and make sure that air

fastener depth.

 

 

 

supply is providing enough air pressure (PSI) to the

 

 

 

 

tool’s air inlet. Do not exceed 110 PSI maximum

 

 

 

 

air pressure.

 

2.

Incorrect lubrication or not

2.

Lubricate using air tool oil and grease according to

 

 

enough lubrication.

 

directions.

 

3.

Blocked air inlet screen (if

3.

Clean air inlet screen of buildup.

 

 

equipped).

 

 

4.Mechanism contaminated. 4. Have qualified technician clean and lubricate mechanism. Install in-line filter in air supply as stated in Initial Set Up: Air Supply.

Fasteners drive

1.

Incorrect tool depth setting.

1.

Adjust depth setting, if available.

too deeply.

2.

Too much air pressure.

2.

Reduce air supply pressure (PSI).

Tool cycles

1.

Jammed fastener.

1.

Clear jammed fastener according to Clearing Jams

without firing

 

 

 

instructions.

fastener.

2.

Tool empty.

2.

Fill with correct fasteners.

 

3.

Incorrect fasteners used.

3.

Empty, then fill with correct fasteners.

 

4.

Magazine dirty or not

4.

Clean and lubricate magazine and pusher.

 

 

lubricated properly.

 

 

5.Insufficient air flow.5. Check for loose connections and make sure that air supply is providing enough air flow (CFM) and pressure (PSI) to the tool’s air inlet. Do not exceed 120 PSI maximum air pressure.

Frequent

1.

Incorrect fastener type.

1.

Confirm fastener diameter, type, length, angle, and

jamming.

 

 

 

collation type. Correct as needed.

 

2.

Bent or damaged safety

2.

Have tool serviced by qualified service technician.

 

 

components.

 

 

 

 

 

 

 

Severe air

1.

Cross-threaded housing

1.

Check for incorrect alignment and uneven gaps. If

leakage.

 

components.

 

cross-threaded, disassemble and replace damaged

(Slight air leakage

 

 

 

parts before use.

is normal,

2.

Loose housing.

2.

Tighten housing assembly. If housing cannot tighten

especially on

 

 

 

properly, internal parts may be misaligned.

older tools.)

3.

Damaged valve or housing.

3.

Replace damaged components.

 

 

4.

Dirty, worn or damaged valve.

4.

Clean or replace valve assembly.

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

SKU 68021

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

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Harbor Freight Tools 68021 operating instructions Troubleshooting, Problem Possible Causes Likely Solutions