Ferris SNAPPER PRO FAST-Vac 61 Operator's Manual page 15

5. Remove the blower belt guard and set aside.
IS1000Z, IS2000Z, IS3000Z, IS3100Z, S200X Series
Models:
6. Install the impeller drive pulley (A, Figure 13) onto
the impeller shaft (B) as described in Figure 13.
Install the 1/4" x 1-1/2" long key (not shown) in the
pulley.
7. Align the pulley groove with the appropriate slot
as described in Figure 13. Tighten the set screws
in the pulley.
8. Reposition the 3/8-16 x 6" bolt if required to line
up with the pulley groove.
IS4500Z Models:
9. Loosely install the tapered hub (A, Figure 14) into
the blower pulley (D). Install the blower pulley onto
the impeller shaft (E) and slide the blower pulley
in towards the blower assembly.
10. Position the new blower drive belt in the blower
drive pulley (D).
11. Position the blower pulley (D) so it is center with
the belt keeper bolt (F). Install the 1/4" X 1-1/2"
long key (C) into the blower pulley (D).
12. Install the two (2) 1/4-20 X 1" bolts (B) into the
tapered hub (A) and tighten evenly. Torque the
1/4" bolts to 8 ft. lbs. (10,9 Nm).
All Models:
13. Check the position of the idler pulley (A, Figure
15). The position must be aligned with the
position of the pulley (outer row of holes for pulley
hub pointing in, inner row of holes for pulley hub
pointing out). Reposition if necessary.
Hub pointing IN:
61" IS3000ZL Model
61" IS3100Z Models
Inner Slot
Figure 13. Install Impeller Drive Pulley
Hub pointing OUT:
All other 61" Models
Outer Slot
Align pulley groove
with slot (outer slot
with pulley hub in
OR inner slot with
pulley hub out)
B
E
Figure 14. Install Impeller Drive Pulley (IS4500Z
Models Only)
A. Tapered Hub
B. 1/4-20 X 1" Bolt
C. 1/4 X 1-1/2" Long Key
D. Blower Pulley
E. Impeller Shaft
F. Belt Keeper Bolt
Outer Row
61" IS3100ZL
Model
61" IS3100Z
Models
A
Figure 15. Check Idler Pulley Position
A. Idler Pulley
Installation
A
D
C
F
Inner Row
All other
61" Models
13
GB