Troubleshooting - Grizzly H7826 Owner's Manual

Symptom
Air leaking at
whack cap area.
Air leaking between
body and hose.
Air leaking around
driver.
Nailer does not fire.
Tool runs slowly
or has a loss of
power.
Tool skips nails
while discharging.
Fasteners frequent-
ly jam the nailer.
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Troubleshooting

Possible Cause
1. Damaged seal.
2. O-rings on the plunger are
damaged.
1. Loose air fitting.
1. Damaged O-ring on the pis-
ton.
2. Worn bumper.
1. Nail is jammed in magazine
or discharge area.
2. Air pressure too low.
3. Lack of lubrication.
4. Worn or damaged O-rings.
5. Piston shaft is damaged.
1. Air pressure too low.
2. Insufficient lubrication.
3. Dirt and oil buildup on driver.
4. Exhaust port in cap is
blocked.
5. Worn or damaged O-rings.
1. Air leaks.
2. Insufficient lubrication.
3. Dirt in nose.
4. Dirt or damage prevents nails
from moving in magazine.
5. Inadequate air flow to tool.
6. Worn or damaged O-rings.
7. Worn bumper.
8. Damaged pusher spring.
9. Bent, damaged, dirty, or
wrong size nails.
10. Damaged driver.
1. Bent, damaged, dirty, or
wrong size nails.
2. Magazine screws are loose.
3. Driver or driver guide are
worn or damaged.
Solution
1. Replace damaged seal.
2. O-rings must be replaced.
1. Tighten air fitting & use
teflon tape.
1. Replace O-ring.
2. Replace bumper.
1. Clear magazine or dis-
charge area.
2. Check for blockage/
increase air pressure.
3. Place several drops of oil
in the air inlet.
4. Replace O-rings. Make
sure air pressure does
not exceed the maximum
operating pressure.
5. Replace piston shaft.
1. Check for blockage/
increase air pressure.
2. Lubricate nailer.
3. Disassemble and clean
driver.
4. Clean exhaust port.
5. Replace O-rings.
1. See above.
2. Lubricate nailer.
3. Clean nose.
4. Clean magazine and
inspect/repair damage.
5. Check for blockage/
increase air pressure.
6. Replace O-rings.
7. Replace bumper.
8. Replace pusher spring.
9. Use undamaged, correct
size, nails.
10. Replace driver.
1. Use undamaged, correct
size, nails.
2. Tighten magazine.
3. Replace worn or damaged
parts.
Model H7826 Flooring Nailer