TROUBLESHOOTING
Air leaking at trigger valve
area.
Air leaking between hous-
ing and hose.
Air leaking between hous-
ing and cap assembly.
Tool skips staples while dis-
charging.
Tool runs slowly or has a
loss of power.
Fasteners frequently jam
the stapler.
Stapler 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 stapler.
2. Replace spring.
3. Clean or replace dam-
aged internal parts.
1. Use correct staples.
2. Use undamaged staples.
3. Tighten magazine and
nose screws.
4. Replace worn or dam-
aged parts.
1. Clear stapler magazine
or discharge area.
2. Replace piston shaft.
3. Check/increase air pres-
sure.
PROBLEM
CAUSE
ACTION
-12
-
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 sta-
ples 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. Stapler is not sufficiently
lubricated.
2. Broken spring in cap assem-
bly.
3. Exhaust port in cap is
blocked.
1. Staples are the wrong size.
2. Staples are bent.
3. Magazine or nose screws
are loose.
4. Driver or driver guide are
worn or damaged.
1. Staple is jammed in mag-
azine or discharge area.
2. Piston shaft is damaged.
3. Air pressure too low.
H2909 18 Gauge Stapler Kit
