Troubleshooting, Symptom possible cause solution – Grizzly h8234 User Manual

Page 19

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Model H8234 28° Framing Nailer

-17

-

troubleshooting

symptom

possible cause

solution

Air leaking at trig-
ger valve area.

1. O-rings in trigger valve hous-

ing are damaged.

1. O-rings must be replaced

& operation of safety nose
must be checked.

Air leaking.

1. Loose screws in housing.
2. Damaged O-ring(s).
3. Loose air fitting.

4. Damaged housing gasket(s).

1. Tighten screws.
2. Replace O-ring(s).
3. Tighten air fitting & use tef-

lon tape.

4. Replace gasket(s).

Tool skips nails
while discharging.

1. excessive air pressure.
2. Air leaks.
3. Dirt in nose.
4. Dirt or damage prevents nails

from moving freely in maga-
zine.

5. Inadequate air flow to tool.

6. Worn O-ring on piston or lack

of lubrication.

7. Damaged O-rings on trigger

valve.

8. Worn bumper.
9. Cap seal leaking.

1. Reduce air pressure to tool.
2. Tighten screws and fittings.
3. Clean nose.
4. Clean magazine and

inspect/repair damage.

5. Check fitting, hose, com-

pressor & air pressure.

6. Replace piston O-ring.

Lubricate.

7. Replace trigger valve O-

rings.

8. Replace bumper.
9. Replace cap seal.

Tool runs slowly
or has a loss of
power.

1. Undersized air hose.
2. Nailer is not lubricated.
3. Broken spring in cap assem-

bly.

4. exhaust port in cap is blocked.

5. Air pressure too low.

1. Use a larger air hose.
2. Lubricate nailer.
3. Replace spring.

4. Clean or replace damaged

internal parts.

5. Increase air pressure.

Fasteners frequent-
ly jam the nailer.

1. Nails are the wrong size.
2. Nails are bent or dirty.

3. Magazine or nose screws are

loose.

4. Driver or driver guide are worn

or damaged.

5. Nails are wrong angle.

1. Use correct nails.
2. Use undamaged, clean

nails.

3. Tighten magazine.

4. Replace worn or damaged

parts.

5. Use correct angle nails.

Nailer does not fire. 1. Nailer is not lubricated.

2. Nail is jammed in magazine or

discharge area.

3. Piston shaft is damaged.
4. Air pressure too low.

1. Lubricate nailer.
2. Clear nailer magazine or

discharge area.

3. Replace piston shaft.
4. Check/increase air pres-

sure.

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