Troubleshooting, Symptom Possible Cause Solution

TROUBLESHOOTING

Symptom	Possible Cause		Solution
Air leaking at trig-	1. O-rings in trigger valve hous-		1.	O-rings must be replaced
ger valve area.		ing are damaged.		& operation of safety yoke
				must be 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 tef-
				lon tape.

Air leaking between	1. Damaged seal.		1.	Replace damaged seals.
housing and cap
assembly.

Tool skips staples	1. Air leaks.		1.	Tighten screws and fittings.
while discharging.	2. Dirt in nose.		2.	Clean nose.
	3.	Dirt or damage prevents	3.	Clean magazine and
		staples from moving freely in		inspect/repair damage.
		magazine.
	4.	Inadequate air flow to tool.	4.	Check fitting, hose, com-
				pressor & air pressure.
	5.	Worn O-ring on piston or lack	5.	Replace piston O-ring.
		of lubrication.		Lubricate.
	6.	Damaged O-rings on trigger	6.	Replace trigger valve O-
		valve.		rings.
	7.	Worn bumper.	7.	Replace bumper.
	8.	Cap seal leaking.	8.	Replace cap seal.

Tool runs slowly	1. Stapler is not sufficiently lubri-		1.	Lubricate stapler.
or has a loss of		cated.
power.	2. Broken spring in cap assem-		2.	Replace spring.
		bly.
	3.	Exhaust port in cap is blocked.	3.	Clean or replace damaged
				internal parts.

Fasteners frequent-	1. Stapler is not sufficiently lubri-		1.	Lubricate stapler.
ly jam the stapler.		cated.
	2.	Staples are the wrong size.	2.	Use correct staples.
	3.	Staples are bent or dirty.	3.	Use undamaged, clean
				staples.
	4.	Magazine or nose screws are	4.	Tighten magazine.
		loose.
	5.	Driver or driver guide are worn	5.	Replace worn or damaged
		or damaged.		parts.

Stapler does not	1. Staple is jammed in magazine		1.	Clear stapler magazine or
fire.		or discharge area.		discharge area.
	2.	Piston shaft is damaged.	2.	Replace piston shaft.
	3.	Air pressure too low.	3.	Check/increase air pres-
				sure.

H7678 18 Gauge Deep Stapler Kit

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