Operating Instructions

CHN20102

Troubleshooting Chart

Stop using tool immediately if any of the following problems occur. Serious personal injury could occur. Any repairs or replacements must be done by a Qualified Service Person or Authorized Service Center.

Symptom

Possible Cause(s)

Corrective Action

 

 

 

Air leaking at trigger valve

O-rings in trigger valve housing are

Replace o-rings

area.

damaged

 

 

 

 

 

 

Air leaking between housing

1. Damaged o-rings

1.

Replace o-rings

and nose.

2.

Damage to bumper

2.

Replace bumper

 

 

 

 

 

Air leaking between housing

1. Loose screws

1.

Tighten screws

and cap.

2.

Damaged seal

2.

Replace seal

 

 

 

 

 

Tool skips driving fastener

1. Worn bumper

1.

Replace bumper

 

2.

Dirt in nose piece

2.

Clean drive channel

 

3.

Dirt or damage prevent fasteners or

3.

Clean magazine

 

 

pusher from moving freely in magazine

 

 

 

4.

Damaged pusher spring

4.

Replace spring

 

5.

Inadequate air flow to tool

5.

Check fitting, hose, or compressor

 

6.

Worn o-rings on piston or lack of

6.

Replace and lubricate o-rings

 

 

lubrication

 

 

 

7.

Damaged o-rings on trigger valve

7.

Replace o-rings

 

8.

Air leaks

8.

Tighten screws and fittings

 

9.

Cap seal leaking

9.

Replace seal

Tool runs slow or has loss of

1. Tool not lubricated sufficiently

1.

Lubricate nailer

power

2.

Broken spring in cylinder cap

2.

Replace spring

 

 

3.

Exhaust port in cap is blocked

3.

Replace damaged internal parts

Fasteners are jammed in tool

1. Guide on driver is worn

1.

Replace guide

 

2.

Fasteners are not correct size

2.

Use only recommended fasteners

 

3.

Fasteners are bent

3.

Replace with undamaged fasteners

 

4.

Magazine or nose screws are loose

4.

Tighten screws

 

5.

Driver is damaged

5.

Replace driver

 

 

 

Air leaking at trigger valve

O-rings or seals are damaged

Replace O-rings or seals

stem

 

 

 

 

7

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