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TROUBLESHOOTING
Air leaking at trigger valve
area.
Air leaking between hous-
ing and hose.
Air leaking between hous-
ing and cap assembly.
Tool skips nails while dis-
charging.
Tool runs slowly or has a
loss of power.
Fasteners frequently jam
the nailer.
Nailer does not fire.
1. O-rings must be replaced
& operation of safety
yoke must be checked.
1. Tighten screws.
2. Replace O-ring.
3. Tighten air fitting.
1. Replace damaged seals.
1. Tighten screws and fit-
tings.
2. Clean nose.
3. Clean magazine and
inspect/repair damage.
4. Check fitting, hose, com-
pressor & air pressure.
5. Replace piston O-ring.
Lubricate.
6. Replace trigger valve O-
rings.
7. Replace bumper.
8. Replace cap seal.
1. Lubricate nailer.
2. Replace spring.
3. Clean or replace dam-
aged internal parts.
1. Use correct nails.
2. Use undamaged nails.
3. Tighten magazine and
nose screws.
4. Replace worn or dam-
aged parts.
5. Use correct angle nails.
1. Clear nailer magazine or
discharge area.
2. Replace piston shaft.
3. Check/increase air pres-
sure.
PROBLEM
CAUSE
ACTION
-13-
1. O-rings in trigger valve
housing are damaged.
1. Loose screws in housing.
2. Damaged O-ring.
3. Loose air fitting.
1. Damaged seal.
1. Air leaks.
2. Dirt in nose.
3. Dirt or damage prevents
nails from moving freely in
magazine.
4. Inadequate air flow to tool.
5. Worn O-ring on piston or
lack of lubrication.
6. Damaged O-rings on trigger
valve.
7. Worn bumper.
8. Cap seal leaking.
1. Nailer is not sufficiently lubri-
cated.
2. Broken spring in cap assem-
bly.
3. Exhaust port in cap is
blocked.
1. Nails are the wrong size.
2. Nails are bent.
3. Magazine or nose screws
are loose.
4. Driver or driver guide are
worn or damaged.
5. Nails are wrong angle.
1. Nail is jammed in maga-
zine or discharge area.
2. Piston shaft is damaged.
3. Air pressure too low.
H5571 34˚ Framing Nailer Kit