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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. Loose screws in housing 1. Tighten screws
2. Damaged O-Rings 2. Replace o-rings
3. Damage to bumper 3. Replace bumper
Air leaking between housing
and cap.
1. Loose screws 1. Tighten screws
2. Damaged gasket 2. Replace gasket
Stapler skips driving staple. 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
Stapler runs slow or has loss
of power.
1. Stapler not lubricated sufficiently 1. Lubricate stapler
2. Broken spring in cylinder cap 2. Replace spring
3. Exhaust port in cap is blocked 3. Replace damaged internal parts
Staples are jammed in
stapler.
1. Guide on driver is worn 1. Replace guide
2. Staples are not correct size 2. Use only recommended staples
3. Staples are bent 3. Replace with undamaged staples
4. Magazine or nose screws are loose 4. Tighten screws
5. Driver is damaged 5. Replace driver
6. Staples loaded incorrectly 6. Review Loading/Unloading section in this
manual
Air leaking at trigger valve
stem.
O-Rings or seals are damaged Replace o-rings or seals
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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