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101437
Tang
Tang Spring
Tang Cap
Buffer
Muzzle Cap
Piston
Barrel
Receiver
Maintenance
Troubleshooting Guide
PROBLEM
Piston rod hangs out of muzzle
cap.
Overdriving of power fastener.
Piston jammed.
Expended power load will not
extract.
Reduction or loss of power.
REMEDY
Remove barrel assembly.
Follow instructions for piston
change. Replace all damaged
or missing parts.
Replace piston.
Change either to next lower
power load, or use next longer
fastener length.
Remove barrel assembly.
Follow instructions for buffer
replacement (page 21). Replace
other parts if damaged.
Clean receiver chamber. If
power loads will not chamber
with a slip-fit or extraction
difficulties continue, take tool to
your distributor for repair.
Barrel must be opened fully to
the full extended position to
properly position piston.
Remove piston. Replace piston
ring.
Replace piston.
POSSIBLE CAUSE
Piston not properly assembled
in relation to tang.
Broken piston.
Excessive power.
Overdriving of power fastener
(see above).
Buffer binding on piston in
muzzle cap.
Dirty or damaged receiver
chamber.
Piston not returning to full rear
position.
Worn piston ring.
Broken piston.
IMPORTANT:
Clean your tool after each day’s use. The parts shown in the illustration below should be cleaned
daily. Clean metal parts with accessory wire brushes. Apply penetrating lubricant sparingly and wipe
dry.