Troubleshooting

Problem

 

Possible Causes

 

Likely Solutions

Air leaking in

1.

Loose Screw (6).

1.

Tighten and recheck.

Cylinder Cap (8A).

2.

O-ring (9A) is cracked or worn.

2.

Replace O-ring.

Lack of power.

1.

Tool is too dry.

1.

Add about 3 drops of pneumatic tool oil into

Slow to cycle.

 

 

 

the Air Plug (83).

Low power when

2.

Air pressure too low.

2.

Check to make sure regulator on air

shooting and

 

 

 

compressor is set between 70 PSI and 120

returning.

 

 

 

PSI. (70 PSI is the minimum where the Nailer

 

 

 

 

may work. If power is too low, set it between

 

 

 

 

100-120 PSI.)

 

3.

Exhaust blocked.

3.

Clean exhaust channel.

Not shooting

1.

Damaged Torsion Spring (76).

1.

Replace Spring.

fasteners or

2.

Wrong size of fasteners.

2.

Use 2-3/16” to 3-1/2”, .113”-.131” diameter

only intermittent

 

 

 

Nails.

feeding.

3.

Magazine (71) is dirty.

3.

Clean Magazine.

 

Fastener is

1.

Feeder Shoe (69) is broken or

1.

Replace Feeder Shoe.

jammed in tool.

 

worn.

 

 

 

2.

Bent fasteners.

2.

Remove bent fasteners. Replace with new

 

 

 

 

Nails.

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

PLEASE READ THE FOLLOWING CAREFULLY

The manufacturer and/or distributor has provided the parts list and assembly diagram in this manual as a reference tool only. Neither the manufacturer or distributor makes any representation or warranty of any kind to the buyer that he or she is qualified

to make any repairs to the product, or that he or she is qualified to replace any parts of the product. In fact, the manufacturer and/or distributor expressly states that all repairs and parts replacements should be undertaken by certified and licensed technicians, and not by the buyer. The buyer assumes all risk and liability arising out of his or her repairs to the original product or replacement parts thereto, or arising out of his or her installation of replacement parts thereto.

REV 09g,09i; 09l

SKU 98733

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

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Harbor Freight Tools 98733 operating instructions Troubleshooting, Problem Possible Causes Likely Solutions