Symptom Possible Cause(s) Corrective Action
Air leaking at trigger valve
area.
O-Rings in trigger valve housing are
damaged
Replace o-rings and check operation of Work
Contact Element (WCE)
Air leaking between housing
and nose.
1. Damaged O-Rings 1. Replace o-rings
2. Damage to bumper 2. Replace bumper
Air leaking between housing
and cap.
1. Loose screws 1. Tighten screws
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 staples or pusher
from moving freely in magazine
3. Clean magazine
4. Damaged pusher spring 4. Replace spring
5. Inadequate air flow to stapler 5. Check fitting, hose, or compressor
6. Worn O-Ring on piston or lack of
lubrication
6. Replace and lubricate o-rings
7. Damaged O-Ring on trigger valve 7. Replace o-rings
8. Air leaks 8. Tighten screws and fittings
9. Cap gasket leaking 9. Replace gasket
Nailer runs slow or has loss
of power
1. Nailer not lubricated sufficiently 1. Lubricate nailer
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 size 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
Troubleshooting Chart
Stop using stapler 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.
8
Operating Instructions
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