Harbor Freight Tools 99640 Troubleshooting, Problem Possible Causes Likely Solutions

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Troubleshooting

Problem

 

Possible Causes

 

Likely Solutions

Air leaking in Head

1.

Loose Bolt (3).

1.

Tighten and recheck.

Cap (5).

2.

Lock Ring (11) is cracked or

2.

Replace Lock Ring.

 

 

worn.

 

 

Lack of power.

1.

Tool is too dry.

1.

Add about 3 drops of pneumatic tool oil into

Slow to cycle.

 

 

 

the Air Plug (82).

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.

 

3.

Exhaust blocked.

3.

Clean exhaust channel.

Not shooting

1.

Damaged Pusher Spring (51).

1.

Replace Spring.

fasteners or

2.

Wrong size of fasteners.

2.

Use 1/2” Crown Flooring Staples or 1-1/2” - 2”

only intermittent

 

 

 

“L” or “T” Type Flooring Cleats.

feeding.

3.

Fixed Magazine (52) or

3.

Clean Fixed Magazine and Plate.

 

 

 

Plate (45) is dirty.

 

 

 

 

 

 

 

Fastener is

1.

Driver channel is worn.

1.

Replace Plate (45).

jammed in tool.

2.

Piston (25) is broken or worn.

2.

Replace Piston.

 

3.

Bent fasteners.

3.

Remove bent fasteners. Replace with 1/2”

 

 

 

 

Crown Flooring Staples or 1-1/2” - 2” “L” or

 

 

 

 

“T” Type Flooring Cleats.

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

SKU 99640

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

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Contents IN-1 Flooring NAILER/STAPLER For technical questions or replacement parts, please callSave this Manual Safety Alert Symbol and Signal WordsWork area For technical questions, please callTool use and care Personal safetyAir source ServiceSpecific Safety Instructions Symbol DefinitionsSymbol Property or statement MinVibration Precautions Assembly SpecificationsAir Supply Setup UnpackingFor technical questions, please call Operating Instructions To Attach An Air ConnectorLoading Nails and Staples Loading Staples Operating Floor NailerTo Change The Spacer SKU For technical questions, please call Clearing JamsCleaning, Maintenance, Lubrication USER-MAINTENANCE InstructionsProblem Possible Causes Likely Solutions TroubleshootingPart Description ’ty Parts ListAssembly Diagram Mission Oaks Blvd. PO Box 6009 Camarillo, CA 93011 800