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Operating Instructions and Parts Manual
Troubleshooting Guide
Stop using tool 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.
SYMPTOM CAUSE SOLUTION
Air leaking at trigger valve O-rings in trigger valve housing are
damaged
Replace O-rings.
Air leaking between housing
and nose
1. Damaged O-rings and / or seals 1. Replace o-rings and / or seals
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
Stapler skips driving staples 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 ring on piston or lack of
lubrication
6. Replace piston seals
7. Damaged o-ring on trigger valve 7. Replace o-rings
8. Air leaks 8. Tighten screws and fitings
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 type 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 of manual
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CHN71600
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