Model W1779 18 Gauge Stapler Kit
-15-
Troubleshooting
Symptom
Possible Cause
Cause
Possible Solution
Air leaking at
trigger valve area.
1. O-rings in trigger valve
housing are damaged.
1. O-rings must be replaced
& operation of safety nose
must be checked.
Air leaking
between housing
and hose.
1. Loose screws in housing.
2. Damaged O-ring.
3. Loose air fitting.
1. Tighten screws.
2. Replace O-ring
3. Tighten air fitting & use
teflon tape.
Air leaking
between housing
and cap.
1. Damaged seal.
1. Replace damaged seals.
Tool skips staples
while discharging.
1. Excessive air pressure.
2. Air leaks.
3. Dirt in nose.
4. Dirt or damage prevents
staples from moving freely.
5. Inadequate air flow to tool.
6. Worn piston O-ring or lack of
lubrication.
7. Damaged trigger valve O-
rings.
8. Worn bumper.
9. Cap seal leaking.
1.Reduce air pressure to tool.
2. Reseal and tighten screws
and fittings.
3. Clean nose.
4. Clean magazine and
inspect/repair damage.
5. Check fittings, hose,
compressor, and air
pressure.
6. Replace O-ring and
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. Stapler is not lubricated.
3. Broken spring in cap
assembly.
4. Exhaust port in cap is
blocked.
1. Use a larger hose.
2. Lubricate stapler.
3. Replace spring.
4. Clean or replace damaged
internal parts.
Fasteners
frequently jam the
stapler.
1. Staples are the wrong size.
2. Staples are bent or dirty.
3. Magazine or nose screws are
loose.
4. Driver or driver guide are
worn or damaged.
1. Use correct staples.
2. Use undamaged, clean
staples.
3. Tighten magazine.
4. Replace worn or damaged
parts.
Stapler does not
fire.
1. Stapler is not lubricated.
2. Staple is jammed in magazine
or discharge area.
3. Piston shaft is damaged.
4. Air pressure too low.
1. Follow lubricating
instructions.
2. Clear stapler magazine or
discharge area.
3. Replace piston shaft.
4. Check/increase air
pressure.
