MAINTENANCE
REPLACING ROTOR BLADES (CURVED
ROTOR MODELS)
Rotor Blade Replacement Early CCR2000 Style
Note: Always replace BOTH blades at the same time.
One new and one worn blade will create a severe
imbalance condition that may damage the machine.
There are two means of attaching the rotor blades to
the rotor.
The method shown in Figure 169 was used on the
CCR2000 through 1992.
We also recommend that the scraper be replaced
whenever the rotor blades are replaced to assure
proper operation and performance.
Wear indicators were not standard at that time. The
way to determine if a rotor blade needs replacement is
to measure it as shown in (Figure 171). If the blade
measures less than 1 9/16”, it should be replaced. A
worn blade rapidly looses efficiency and throw
distance.
A
B
C
Figure 169
0623-03
A
B
(A) Blade - Rotor
(B) Rotor Shaft Assembly
(C) Rotor Half
All Powerlite and 20” CCR models built since that time
use the style shown in Figure 170.
Figure 171
0623-04
A
B
(A) Rotor Blade
(B) Steel Plate
C
D
Removing Rotor Blade
Remove and replace one blade before starting on the
other.
E
Remove (8) 7/16” bolts, (4) washers, and (8) locknuts
on one blade. Note: Only the bolts on the end have
washers.
Slide the blade out from between the steel plates and
push the (8) spacer bushings out of the blade holes.
Keep the spacers for reuse.
G
F
0623-09-2
Figure 170
(A) Rubber Washer
(B) Nut
(E) Bearing Retainer
(F) Bearing
(C) Rotor
(G) Rotor Blade
(D) Rotor Support
7 - 4
Single Stage Snowthrower Service Manual
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