Toro 20330 - Low Wheel Walk Power Mower Service Manual page 117

8. Lift the brake assembly and blade drive belt from the
mower (Fig. 211).
9. To replace the blade drive belt, remove the idler
pulley bolt (Fig. 212).
WPM Drive Systems Manual
Fig 211 MVC-205
Fig 212 MVC-207
BBC / BOS / BCS
10. The components of the idler assembly are shown
here (Fig. 213).
B
A
F
E
A. Belt
B. Nut
C. Brake arm
D. Belt guard
11. Continuing with the disassembly, remove the bolt
securing the pulley to the crankshaft.
Note: Use a large screwdriver or pry bar to keep the
pulley from turning while you unscrew the
bolt (Fig. 214).
C
G
H
Fig 213 MVC-209
E. Washer
F. Bearing with fl ange
G. Spacer
H. Bolt
Fig 214 MVC-218
D
6-31