Woodstock W1784 - Manual (Page 12)

Model W1784 (Mfg. Since 2/07)
-10-
4. Use a 5mm hex wrench to remove the
four cap screws that secure the base
to the stapler body (see
Figure 6).
Figure 6. Cap screws that secure the
base to the stapler body.
5. Carefully slide the base from the
stapler body, and remove the large
base washer and rubber bumper (see
Figure 7).
Figure 7. Washer and rubber bumper.
Washer
Bumper
6. Use a flat head screwdriver to pry off
the whack cap (see Figure 8).
Figure 8. Whack cap and cylinder cover.
Whack Cap Cylinder
Cover
Exhaust
Port
7. Remove the four cap screws and lock
washers from the cylinder cover, and
remove it from the stapler body.
8. Remove the three cap screws from
the top of the plunger (see Figure 9).
Figure 9. Plunger and cap screws.
Plunger
Cap Screw
9. From the bottom of the stapler, pull
out the piston assembly.
10. Push the piston into the sealing
sleeve and remove the sealing cap
from the top of the piston.
11. Pull the piston from the sleeve (see
Figure 10).
Figure 10. Piston assembly.
Sealing Sleeve Piston
12. Apply a thin film of tool oil to the
new O-rings before installing them to
seat them properly on the parts.
13. Reverse the steps above to
reassembly the stapler with the new
piston.