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MODEL 721.21195000
721.21295000
20.21125
20.21325
TO REPLACE BELT:
1) Install brush supports onto brush assembly.
2) Install new belt in belt groove on the brush assembly,
than over the motor shaft. Be sure belt in between the
belt guards.
3) Insert each support into its base slots.
4) Line up tabs on cover with slots inside the base.
5) Push cover and base together.