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H5626/H5627 Upholstery Stapler
-10-
Replacing Pistons/O-Rings
If you use your stapler day in and day out,
Grizzly offers repair pistons as cheap
insurance against wasted down time and
lost profits in the event that a piston or pis-
ton shaft becomes worn out.
Figure 6. Removing stapler exhaust cap.
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 stapler until you
can grip the piston head and remove
it from the cylinder. (Be careful 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 stapler
lubricating oil on the O-ring.
10. Insert the new piston in the cylinder.
Make sure that the grooves on the
piston shaft line up with those on the
guide. The new piston should easily
slide into the cylinder. 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. 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
appropriate breakdown diagram in the
back of this manual.
Always disconnect air from stapler
whenever servicing! During mainte-
nance, a stapler connected to air
may fire accidentally, causing seri-
ous personal injury!
To replace a piston:
1. Disconnect the stapler from the air
supply!
2. Remove all staples from the maga-
zine cartridge.
3. Remove the 4 cap screws from the
stapler exhaust cap on the Model
H5626, or unscrew the exhaust cap
on the Model H5627.
4. Remove the exhaust cap as shown in
Figure 6.
5. The top of the piston should now be
visible inside the cylinder, which is
housed in the head of the stapler.
6. Open the magazine.