Remington 498 operating instructions Troubleshooting Guide, Problem Possible Cause Remedy

Troubleshooting Guide

PROBLEM	POSSIBLE CAUSE		REMEDY
Piston hangs out of muz-	Tool overdriven.		Tap piston on a hard sur-
zle.			face until piston is pushed
			back into the guide (see
			Overdriven power fas-
			tener, below).
	Piston not properly as-		Remove barrel assem-
	sembled in relation to		bly (see pages 18-19).
	stop.		Replace all damaged or
			missing parts.
	Broken piston or	piston	Replace piston or piston
	ring.		ring or take tool to your
			distributor.
Overdriven power fas-	Excessive power.		Change either to next
tener.			lower power load or use
			next longer length power
			fastener.
Piston jammed.	Overdriving of power fas-		Remove barrel assem-
	tener (see above).		bly (see pages 18-19).
			Replace all damaged or
			missing parts.
Power load strip will not	Advance bar or	spring	Replace advance bar or
advance.	damaged.		springs.
	Tool dirty.		Clean tool. Notice: Do
			not attempt to clean
			power load strip channel
			with wire brush. You may
			damage the tool.
Reduction or loss of	Piston not returning to full		Barrel must be opened to
power.	rear position.		the full extended position to
			properly position piston.
	Worn piston ring.		Remove piston. Replace
			piston ring.
	Broken piston.		Replace piston.
Tool does not completely	Misassembled or	dam-	Remove sear holder and
depress.	aged sear holder and		check all parts for correct
	firing pin parts.		fit assembly.
Tool does not fire.	Failure of tool to depress		See data listed under
	completely.		Tool does not completely
			depress, above.
	Piston not fully reset.		Fully reset piston. See
			step 1 under Operation,
			page 14.

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