Service manual
6-31WPM Drive Systems Manual
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).
BBC / BOS / BCS
Fig 211 MVC-205
Fig 212 MVC-207
Fig 214 MVC-218
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).
Fig 213 MVC-209
10. The components of the idler assembly are shown
here (Fig. 213).
A. Belt E. Washer
B. Nut F. Bearing with fl ange
C. Brake arm G. Spacer
D. Belt guard H. Bolt
A
E
F
G
B
C
D
H










