Belt Replacement - Toro POWER CLEAR 721 Service Manual

Belt Replacement

Belt Removal
Belt Installation
Drive System: Service and Repairs
1. Remove the 3 (1/4-20 x 5/8 inch) screws securing the belt cover to the auger
housing. Remove the belt cover from the auger housing.
2. Unhook the extension spring from the idler arm.
g324732
3. Remove the screw (1/4-20 x 7/8 inch) and Belleville washer securing the
rotor pulley to the rotor shaft.
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4. Remove the rotor pulley assembly from the rotor shaft.
5. Remove the belt from the engine pulley and rotor pulley.
1. Route the belt first around the engine pulley, under the flat idler pulley, and
finally around the loose rotor pulley positioned above the rotor shaft.
2. Install the rotor pulley onto the rotor shaft. Apply blue threadlocker to threads
of the new (1/4-20 x 7/8 inch) screw. Install the Belleville washer and screw
securing the rotor pulley assembly to the rotor shaft. Torque the screw to
11.3 ± 1 N • m (100±10 in-lb).
Figure 70
Figure 71
Page 6–6 POWER CLEAR® 721/821 Snowthrower Service Manual
3438-776 Rev A