5. Remove the blower belt guard and set aside.
IS500Z, 1000Z, IS1000Z, IS1500Z, IS2000Z, IS3000Z, IS3100Z, S150X, S200X Series Models:
6.Install the impeller drive pulley (A, Figure 11) onto the impeller shaft (B) as described in Figure 11. Install the 1/4” x
7.Align the pulley groove with the appropriate slot as described in Figure 11. Tighten the set screws in the pulley.
8.Reposition the
IS4500Z Models:
9.Loosely install the tapered hub (A, Figure 12) 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 (B, Figure 12) in the blower drive pulley.
11.Position the blower pulley (D, Figure 12) so it is center with the belt keeper bolt (F). Install the 1/4” X
12.Install the two (2)
All Models:
13.Check the position of the idler pulley (A, Figure 13). 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:
Blower Assembly
A
B |
EC D
F
Figure 12. Install Impeller Drive Pulley (IS4500Z Models Only)
A.Tapered Hub
B.
C.1/4 X
D.Blower Pulley
E.Impeller Shaft
F.Belt Keeper Bolt
Outer Row
Inner Row
Installation
44” Models 48” Models
Hub pointing OUT: 52” Models
61” IS3000ZL Model ONLY All other 61” Models 61” IS3100Z Models
Inner Slot | Outer Slot |
|
Align pulley groove with slot (outer slot with pulley hub in OR inner slot with pulley hub out)
Figure 11. Install Impeller Drive Pulley
A
Figure 13. Check Idler Pulley Position A. Idler Pulley
11
GB
