Ferris IS1500Z Operator's Manual With Setup Instructions page 11

8. Loosen the 3/8-16 hex serrated flange nut (A,
Figure 7) 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.
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 7. 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 7. 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 adjustable
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 7) 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. Reinstall the idler arm assembly to the blower
assembly as shown in Figure 8. Install the idler
stud (A, Figure 8) 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 7. 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. Adjustable 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 8. 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
Blower Assembly
A
B
C
F
A
B
B
9
GB