Operating Instructions and Parts Manual

CHN70500

 

 

Troubleshooting Guide

Stop using nailer immediately if any of the following problems occur. Serious personal injury could result.

Any repairs or replacements must be done by a Qualified Service Person or Authorized Service Center.

Symptomcausesolution

Air leaking at trigger valve

O-rings in trigger valve housing are

Replace O-rings. Check operation of Work Contact

 

damaged

Element (WCE)

 

 

 

 

 

Air leaking between housing

1.

Damaged O-rings and/or seals

1.

Replace O-rings and/or seals

and nose

2.

Damage to bumper

2.

Replace bumper

 

 

 

 

 

 

Air leaking between housing

1.

Loose screws

1.

Tighten screws

and cap

2.

Damaged gasket

2.

Replace gasket

 

 

 

 

 

 

Nailer skips driving nail

1.

Worn bumper

1.

Replace bumper

 

2.

Dirt in nose piece

2.

Clean drive channel

 

3.

Dirt or damage prevent nails or

3.

Clean magazine

 

 

pusher from moving freely in

 

 

 

 

magazine

 

 

 

4.

Damaged pusher spring

4.

Replace spring

 

5.

Inadequate air flow to nailer

5.

Check fitting, hose, or compressor

 

6.

Worn O-ring on piston or lack of

6.

Replace piston seals

 

 

lubrication

 

 

 

7.

Damaged O-ring on trigger valve

7.

Replace O-rings

 

8.

Air leaks

8.

Tighten screws and fitings

 

 

 

 

 

Nailer runs slow or has loss of

1.

Nailer 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

 

 

 

 

 

Nails are jammed in nailer

1.

Guide on driver is worn

1.

Replace guide

 

2.

Nails are not correct type

2.

Use only recommended nails

 

3.

Nails are bent

3.

Replace with undamaged nails

 

4.

Magazine or nose screws are loose

4.

Tighten screws

 

5.

Driver is damaged

5.

Replace driver

 

6.

Nails loaded incorrectly

6.

Review Loading/Unloading section of manual

 

 

 

 

 

Laser, low nail indicators,

1.

System power switch in grip not

1.

Turn switch on

and/or stud finder not

 

depressed

 

 

working

2.

Batteries need to be replaced

2.

Replace batteries (see “Changing batteries”

 

 

 

 

 

section)

 

3.

Components not properly replaced

3.

Review parts view for assistance in proper re-

 

 

during re-assembly after customer

 

assembly

 

 

maintenance

 

 

 

4.

Laser won’t come on because WCE

4.

Depress WCE to work surface

 

 

not slightly depessed

 

 

 

5.

Studfinder not accurate

5.

Make sure the sensor plate of studfinder is flat

 

 

 

 

against wall

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