Replacing pistons/o- rings – Grizzly 2-in-1 COMBINATION NAILER/STAPLER H7664 User Manual
Page 15
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h7664 2-in-1 Combination nailer/stapler
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figure 7. opening cover to clear a jam.
to clear a jammed nail from the dis-
charge area:
1. disconnect nailer/stapler
from the air supply!
2. Unlock the catch lever and pull the
magazine pusher back completely.
3. remove the nail/staple stick from the
magazine.
4. Loosen the cap screws shown in
figure 7 and remove the cover with
a 3mm hex wrench. dislodge the
jammed nail/staple with a pair of nee-
dle nose pliers.
5. secure the cover with the cap screws
removed in
step 4.
replacing pistons/o-
rings
if you use your nailer/stapler day in and
day out, repair pistons are cheap insur-
ance against wasted down time and lost
profits, in the event that a piston or piston
shaft becomes worn out. a replacement
piston and o-ring kit, part ph7664084,
may be purchased for the Model h7664.
to replace a piston and o-ring:
1. disconnect nailer/stapler
from the air supply!
2. remove all nails/staples from the mag-
azine.
3. remove the four cap screws on the
head of the nailer/stapler, near the
exhaust port.
4. remove the cap.
5. the top of the piston should now be
visible inside the cylinder, which is
housed in the head of the nailer/sta-
pler.
always disconnect air from nailer/
stapler whenever servicing! during
maintenance, a nailer/stapler con-
nected to air may fire accidentally,
causing serious personal injury!
Cover
Cap screws
6. throw the damaged nail/staple away.
7. inspect the nail/staple stick. if it is bent
or damaged, throw it away and insert
a new stick that only contains clean,
undamaged nails/staples. do not
use dirty or damaged nails/staples!
8. slide the magazine pusher forward
to the front of the magazine until the
catch lever locks.