Grizzly H2910 instruction manual Troubleshooting, Problem Cause Action

TROUBLESHOOTING

PROBLEM		CAUSE		ACTION
Air leaking at trigger valve	1. O-rings in trigger valve		1.	O-rings must be replaced
area.		housing are damaged.		& operation of		safety
				yoke must be checked.
Air leaking between hous-	1. Loose screws in housing.		1.	Tighten screws.
ing and hose.	2. Damaged O-ring.		2.	Replace O-ring.
	3.	Loose air fitting.	3.	Tighten air fitting.
Air leaking between hous-	1. Damaged seal.		1.	Replace damaged seals.
ing and cap assembly.
Tool skips nails while dis-	1. Air leaks.		1.	Tighten screws and fit-
charging.				tings.
	2.	Dirt in nose.	2.	Clean nose.
	3.	Dirt or damage prevents	3.	Clean	magazine	and
		nails 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	5.	Replace piston O-ring.
		lack 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 or has a	1. Tool is not sufficiently lubri-		1.	Lubricate tool.
loss of power.		cated.
	2.	Broken spring in cap assem-	2.	Replace spring.
		bly.
	3.	Exhaust port in cap is	3.	Clean or replace dam-
		blocked.		aged internal parts.
Fasteners frequently jam	1. Nails are the wrong size.		1.	Use correct nails.
the tool.	2. Nails are bent.		2.	Use undamaged nails.
	3.	Magazine or nose screws	3.	Tighten magazine and
		are loose.		nose screws.
	4.	Driver or driver guide are	4.	Replace worn or dam-
		worn or damaged.		aged parts.
Tool does not fire.	1. Nail is jammed in maga-		1.	Clear	tool magazine or
		zine 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.

H2910 3-IN-1 WOOD, METAL & CONCRETE NAILER -12-