Ferris SNAPPER PRO FAST-Vac 61 Operator's Manual page 13

8. Loosen the 3/8-16 hex serrated flange nut
(A, Figure 9) that secures the adjustable idler
pulley (D) to the blower assembly. Remove the
3/8-16 hex serrated flange nut (A), and all the
components the nut secured. Discard the 3/8-16 X
2" bolt and idler pulley.
9. Place the support plate (B) on the blower
assembly. Line up the two rows of holes in the
support plate with the two rows of holes on the
blower assembly.
10. Refer to figure 9. Place a 3/8-16 X 3/4 Bolt (C)
up through the blower assembly in the front most
hole of the inner row, through the support plate
(B) and secure with a 3/8-16 hex serrated flange
nut (A).
11. Reassemble the adjustable idler pulley
components as shown in Figure 9. Install the 3/8-
16 X 2-1/2" bolt (H) up through the belt keep (G)
which should be positioned with the tab facing up,
through the .39 X .75 X .38 spacer (F), through
the 3/8 SAE washer (E), through the steel idler
pulley (D), which should be positioned with the
hub facing up, then through the blower assembly,
then through the support plate (B) and secure with
a 3/8-16 hex serrated flange nut (A).
12. Using a 3/8" drill bit, drill a 3/8" hole through the
blower assembly using the left rear hole (see
Figure 9) as a guide.
13. Install a 3/8-16 X 3/4 bolt (C) up through the
blower assembly in the newly drilled hole, through
the support plate (B) and secure with a 3/8-16 hex
serrated flange nut (A).
14. Loosen the 3/8-16 X 2-1/2" bolt (H) enough so
that the belt keep (G) can be moved freely. It will
be necessary to reposition the belt keep later.
15. Reinstall the idler arm assembly to the blower
assembly as shown in Figure 10. Install the idler
stud (A, Figure 10) down through a 9/16 narrow
flat washer (B) then down through the idler arm
assembly (C), then down through another 9/16
narrow flat washer (B), then down through the
blower assembly, then down through the 3/8 lock
washer (D), and secure with the 3/8-24 hex nut
(E).
Drill
Here
Outer Inner
Row Row
D
E
G
H
Figure 9. Installing the New Support Plate
A. 3/8-16 Hex Serrated Flange Nut
B. Support Plate
C. 3/8-16 X 3/4 Bolt
D. Steel Idler Pulley
E. 3/8" SAE Washer
F. .39 X .75 X .38 Spacer
G. Belt Keep
H. 3/8-16 x 2-1/2" Bolt
C
D
E
Figure 10. Updating the Idler Arm Assembly
A. Idler Stud
B. 9/16 Narrow Flat Washer
C. Idler Arm Assembly
D. 3/8 Lock Washer
E. 3/8-24 Hex Nut
Installation
A
B
C
F
A
B
B
11
GB