Troubleshooting Guide - Remington 493 Mode D'emploi

PROBLEM
Piston hangs out of
muzzle.
Overdriven power fas-
tener.
Piston jammed.
Power load strip will not
advance.
Reduction or loss of
power.
Tool does not completely
depress.
Tool does not fire.
114915

Troubleshooting Guide

POSSIBLE CAUSE
Tool overdriven.
Piston not properly as-
sembled in relation to
stop.
Broken piston or piston
ring.
Excessive power.
Overdriving of power fas-
tener (see above).
Advance bar or spring
damaged.
Tool dirty.
Piston not returning to full
rear position.
Worn piston ring.
Broken piston.
Misassembled or dam-
aged sear holder and fir-
ing pin parts.
Failure of tool to depress
completely.
Piston not fully reset.
23
REMEDY
Tap piston on a hard sur-
face until piston is pushed
back into the guide (see
Overdriven power fas-
tener, below).
Remove barrel assembly
(see pages 18-19). Re-
place all damaged or miss-
ing parts.
Replace piston or piston
ring or take tool to your
distributor.
Change either to next
lower power load or use
next longer length power
fastener.
Remove barrel assembly
(see pages 18-19). Re-
place all damaged or miss-
ing parts.
Replace advance bar or
springs.
Clean tool. Notice: Do
not attempt to clean
power load strip channel
with wire brush. You may
damage the tool.
Barrel must be opened to
the full extended position
to properly position piston.
Remove piston. Replace
piston ring.
Replace piston.
Remove sear holder and
check all parts for correct
fit assembly.
See data listed under
Tool does not completely
depress, above.
Fully reset piston. See step
1 under Operation, page 14.