Troubleshooting

Model W1784 (Mfg. Since 2/07)

Symptom

Possible Cause

Possible Solution

Air leaking at	1. O-rings in plunger/cylinder	1. O-rings must be replaced &
whack cap area.	housing are damaged.	operation checked.
Air leaking between	1. Loose screws in housing.	1. Tighten screws.
housing and hose	2. Damaged O-ring.	2. Replace O-ring
	3. Loose air fitting.	3. Tighten air fitting & use
		teflon tape.
Air leaking between	1. Damaged seal.	1. Replace damaged seals.
housing and cap.
Tool skips staples	1. Excessive air pressure.	1. Reduce air pressure to tool.
while discharging.	2. Air leaks.	2. Tighten screws and fittings.
	3. Dirt in nose.	3. Clean nose.
	4. Dirt or damage prevents	4. Clean magazine and
	staples from moving freely.	inspect/repair damage.
	5. Inadequate air flow to tool.	5. Check fittings, hose,
		compressor, and air
		pressure.
	6. Worn piston O-ring or lack of	6. Replace O-ring and
	lubrication.	lubricate.
	7. Damaged plunger/cylinder O-	7. Replace plunger/cylinder
	rings.	O-rings.
	8. Worn bumper.	8. Replace bumper.
	9. Cap seal leaking.	9. Replace cap seal.
Tool runs slowly or	1. Undersized air hose.	1. Use a larger hose.
has a loss of power.	2. Stapler is not lubricated.	2. Lubricate stapler.
	3. Broken spring in cap assembly.	3. Replace spring.
	4. Exhaust ports on cylinder cap	4. Clean or replace damaged
	are blocked.	internal parts.
Fasteners	1. Staples are the wrong size.	1. Use correct staples.
frequently jam the	2. Staples are bent or dirty.	2. Use undamaged, clean
stapler.		staples.
	3. Magazine or nose screws are	3. Tighten magazine.
	loose.
	4. Driver or driver guide are	4. Replace worn or damaged
	worn or damaged.	parts.
	5. Staples are wrong angle.	5. Use correct angle staples.
Stapler does not	1. Stapler is not lubricated.	1. Follow lubricating
fire.		instructions.
	2. Staple is jammed in magazine	2. Clear stapler magazine or
	or discharge area.	discharge area.
	3. Piston shaft is damaged.	3. Replace piston shaft.
	4. Air pressure too low.	4. Check/increase air
		pressure.
Air blows out	1. O-ring slipped out of groove or	1. Reinstall/replace suspect
of exhaust cap;	damaged inside stapler.	O-ring; turn down air
stapler will not		pressure.
fire.
	-14-