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H7664 2-in-1 Combination Nailer/Stapler
-16-
6. Open the nose cover as if to clear a
jammed nail/staple.
7. Watch the discharge area and push
the top of the piston with your finger.
You will see the piston shaft slide
down the discharge area.
8. With a long flathead screwdriver or
similarly shaped tool, push the piston
shaft back inside the nailer/stapler
until you can grip the piston head and
remove it from the cylinder. (Be care-
ful not to scratch the discharge area
when pushing the piston shaft with the
screwdriver.)
9. Place a new O-ring on the new piston
and apply a thin film of the nailer/sta-
pler lubricating oil on the O-ring.
10. Insert the new piston in the cylinder.
Make sure that the grooves on the pis-
ton shaft line up with those on the guide
at the bottom of the cylinder. The new
piston should easily slide into the cyl-
inder. DO NOT force the piston into
the cylinder! If the piston is not easily
inserted, double-check the alignment of
the piston shaft with the grooves on the
guide.
11. After the piston is inserted correctly,
close the magazine pusher. Replace
the rear cap assembly and tighten the
4 cap screws.
12. For more assistance, or to install a
complete O-ring set, refer to the appro-
priate breakdown diagram in the back
of this manual for component loca-
tions.