Urschel COMITROL 2100, Instruction Manual

Page: 119 / 166

41
3. Remove feed screw and thrust
bearing.
Carefully pull feed screw
forward through the housing (Figure 27).
NOTE: Handle feed screw with care
so as not to damage flights or bearing sur-
faces.
4. Remove cutting head. Remove fasten-
ers and carefully slide the cutting head
over the impeller.
NOTE: Handle cutting head with care
so as not to damage mounting lugs and
mounting surfaces.
5. Remove impeller. Remove three
socket head cap screws and carefully
remove impeller (Figure 28).
6. Remove seal cover and seal (behind
impeller, see Figure 25, page 40).
7. Remove impeller hub guard, located
behind cutting enclosure backplate, to
aid in cleaning and inspection of the
area behind impeller (see Figure 25,
page 40).
The cutting unit and feed screw can now
be cleaned thoroughly and inspected.
Generally, it is not necessary to remove the
agitator. If the agitator must be removed, pro-
ceed as follows:
8. Remove bearing retainer. Three fas-
teners hold retainer in place. Slide agita-
tor with thrust bearing free of drive shaft
and remove from machine.
MAINTENANCE
Cutting and Feed Assemblies
Figure 28 — Removing Impeller
Figure 27 — Removing Feed Screw