Installing The Clutch And Drive Pulley Assembly - Toro 78490 Operator's Manual

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3
Figure 2
1. Clutch strap
2. Bolt
3. Remove the existing deck belt from the clutch.
4. Remove the existing clutch from the machine (Fig. 3).
Discard the bolt that was installed in the clutch.
5. Remove the existing drive spacer from the clutch
(Fig. 3).
1
Figure 3
1. Engine
2. Clutch
3. Curved washers
6. Position the template into the clutch pulley so the
outside diameter is flush with the inside of the clutch
flange (Fig. 4).
Note: Before drilling holes, place a piece of metal between
the clutch and pulley. This will prevent drilling into the
clutch.
7. Using the template, drill one 1/8 in. pilot hole into the
pulley (Fig. 4).
8. Install the screw (#6 x 1/2 in.) into the 1/8 in. hole
(Fig. 4). This will hold the template in place while
drilling the other two holes.
1
4
2
m–4119
3. Clutch connector
4. Clutch
2
5
3
4
m–6024
4. Clutch bolt—discard
5. Drive spacer
9. Using the template, drill the remaining two 1/8 in. pilot
holes into the pulley (Fig. 4).
10. Remove the template and the screw (#6 x 1/2 in.) and
discard (Fig. 4).
11. Drill 3 holes, 3/8 in. diameter, into the 1/8 in. pilot
holes. (Fig. 4).
5
2
6
3
Figure 4
1. Clutch pulley
2. Template
3. Hole to drill
Installing the Clutch and Drive
Pulley Assembly
Note: Apply anti–seize compound to crank shaft before

installing the clutch and drive pulley assembly.

1. Install the new pulley spacer into the clutch (Fig. 5).
2. Install the drive pulley assembly into the three holes
drilled into the clutch pulley (Fig. 5).
3. Install the drive spacer into the drive pulley assembly
(Fig. 5).
Note: There are two different size bolts for installing the
clutch. The size is determined by the type of engine on the
machine.
4. If the machine has a Kawasaki engine, then install the
clutch with a bolt (7/16 x 5–1/2 in.) and 2 existing
curved washers (Fig. 5).
5. If the machine has a Kohler engine, then install the
clutch with a bolt (7/16 x 4–3/4 in.) and 2 existing
curved washers (Fig. 5).
6. Torque the clutch bolt to 55 ft.–lb. (75 N m) (Fig. 5).
7. Install the existing deck belt onto the clutch.
8. Install the clutch strap (Fig. 2).
9. Plug in the clutch connector (Fig. 2).
6
1
4
3
m–6006
4. Clutch flange
5. Screw, #6 x 1/2 in.
6. Drive spacer

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