Hilti DX 351 Original Operating Instructions page 33

Fault
Piston guide sticks
Nail jams in the magazine
Printed: 12.08.2013 | Doc-Nr: PUB / 5069821 / 000 / 02
Cause
■ The piston is damaged
■ Remains of plastic strip in maga-
zine
■ Driving power too high when dri-
ving into steel
■ Firing the tool with high power
without a fastener in place
■ The tool is dirty (carbon build-
up)
■ 2 nails are jammed together in
the magazine
Possible remedies
■ Unscrew the magazine
■ Unscrew the black housing
■ Check the piston and replace if
necessary (see 7.1–7.5)
■ Open the magazine and remove
the nail strip and any plastic
remains
■ Reduce driving power
■ Avoid firing without a fastener in
place
■ Clean the tool (see 8.1–8.8)
■ Insert the tip of a screwdriver
through the furthest forward slot
in the magazine and push the
nails out
en
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