Model W1784 (Mfg. Since 2/07)

4.Use a 5mm hex wrench to remove the four cap screws that secure the base to the stapler body (see Figure 6).

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 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).

Washer

Bumper

Figure 7. Washer and rubber bumper.

6.Use a flat head screwdriver to pry off the whack cap (see Figure 8).

Cylinder

 

Whack Cap

Cover

 

 

 

 

 

Exhaust

Port

Figure 8. Whack cap and cylinder cover.

Plunger

Cap Screw

Figure 9. Plunger and cap screws.

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).

Sealing Sleeve

 

Piston

 

 

 

Figure 10. Piston assembly.

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.

-10-

Page 12
Image 12
Woodstock W1784 owner manual Cap screws that secure Base to the stapler body