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Model H7826 Flooring Nailer -13-
6. Loosen the exhaust covers and
remove the cap screws from the cylin-
der cover. Slide the cylinder cover off
of the plunger.
Figure 10. Removing the whack cap.
4. Carefully slide the base off of the driver
and remove the large washer and rub-
ber bumper (see Figure 9).
Cylinder
Cover
Exhaust Cover
Whack Cap
5. Use a flat head screwdriver to pry off
the whack cap shown in Figure 10.
Figure 9. Bumper and washer.
Bumper
Washer
8. Grab onto the driver and pull the piston
assembly out from the bottom.
9. Unscrew the piston and driver from the
piston assembly (see Figure 12).
Figure 11. Removing the plunger.
Plunger
10. Apply a thin film of nailer lubricating oil
on the O-rings, then place the new O-
rings on the piston and the plunger.
11. Re-assemble the nailer in reverse
order.
Figure 12. Piston and driver.
Piston Assembly
7. Unscrew the cap screws and remove
the plunger (see Figure 11).
Piston and
Driver