Service Manual

DRIVE SYSTEMS
5 - 28 Single Stage Snowthrower Service Manual
6. If the shaft must be completely removed from the
housing, remove the three screws retaining the
right hand side plate to the rotor housing (Figure
126). Flex the side plate and withdraw the
complete shaft, bearing flange, and thrust washer.
Figure 126 0406-005
7. If the left hand rotor bearing must be removed, drill
out the rivets securing the bearing retainer or
flange. When the bearing flange is installed, use
three rivets (Figure 127).
Figure 127 0406-006
Shaft And Bearing Reassembly
1. Insert the right hand bearing flange with studs
attached.
2. Install thrust washer on the externally threaded
end of the rotor shaft.
3. Flex the right hand side plate and insert the rotor
shaft with externally threaded end through the left
hand side plate and bearing.
4. Tighten all the side plate retaining screws
previously loosened.
5. Install the remaining thrust washer on the
internally threaded end of the rotor shaft.
6. Install the bearing on the rotor shaft.
7. Secure the bearing with the hexhead flange screw
and washer.
8. Install the rubber sealing washer, bearing retainer,
washers, and nuts.
9. Reinstall the rotor paddles and pulley. Refer to
page 6 - 8, steps 6, 7, 8, and 9.
Wheel Bracket Replacement
Unlike the wheel bracket assembly used on the 1980
Model Toro S-200E, the S-620 wheel bracket/muffler
assembly has an engine support bracket which is
welded to it (Figure 128).
Figure 128 0406-007