Operating instructions

8. Remove the dull or damaged Knife and visually inspect the Flywheel Slot and Knife mounting area

and be sure they are clean and that the replacement Knife will be able to mount flush against the

Flywheel.

9. Install a new or sharpened Knife as shown with the Knife edge facing up and towards you and finger

tighten the Allen screws and Lock Nuts (use the new hardware supplied with a new Knife kit) to hold

the Knife to the Flywheel.

10. Using a 7/32" Allen wrench and a 9/16" socket, tighten the center Screw and Locknut, then tighten

the outer Screw and Locknut, and finally tighten the inner Screw and Locknut.

11. Double-check that all three Locknuts on the Allen Screws are tight.

12. Reinstall the two Access Covers.

13. Replace the Belt Guard.

14. Check and if needed adjust the gap between the Knife and Wear Plate (See “Checking and Adjusting

the Knife to Wear Plate Gap” in this Chapter).

Removing and Replacing the Wear Plate

Tools Needed:

• 7/16" Wrench

1. Remove the Hopper (See “Inspecting the Chipper

Knife and Wear Plate” in this Chapter)

2. Remove the three Locknuts and Carriage Bolts that

attach the Wear Plate to the Chipper Assembly with a

7/16" wrench and then remove the Wear Plate (Figure

38).

3. Install the new Wear Plate and secure with the three

Carriage Bolts and Locknuts.

NOTE: The Gap between the Knife and Wear Plate must be

adjusted whenever the Wear Plate is removed. See the

following instructions.

Carriage Bolt

and Locknut

Figure 38

Wear

Plate

Chipper

Knife

IF THE FLYWHEEL SURFACE IS NOT CLEANED PROPERLY AND THE CHIPPER KNIFE IS NOT MOUNTED

FLUSH ON THE FLYWHEEL

THE KNIFE COULD CRACK WHEN THE HARDWARE IS TIGHTENED.