5. To obtain a lower cut add height adjustment spacer (s) between the impeller hub and the cutter
disc. Remount the cutter disc. Install the f lat washer and the impeller retaining bolt. Tighten the
bolt securely. (Fig. 17)
a.
Add height adjustment spacer (s).
b.
Remount the cutter disc.
c.
Install the f lat washer and the impeller retaining bolt.
d.
Tighten the bolt securely.
e.
Use a 3 ¼ ” long impeller retaining bolt when one or two ½” spacer (s) or 2 or more ¼”
spacers are used.
Figure 17
1. Height Adjustment spacer