Belt Replacement - Toro Groundsmaster 300 Series Service Manual

Belt Replacement (Fig. 10)
1. Lower cutting unit to the shop floor, shut off the engine
and engage the parking brake. Remove covers on top
of cutting unit and set covers aside. Loosen idler pulleys
to release tension of belts.
2. Remove carriage bolts, lock washers and nuts hold-
ing gear box in place. Lift gear box off mounting plate
and lay it on top of cutting unit.
3. Remove belts from spindle pulleys.
4. Mount a belt on lower pulley groove of left spindle,
slide belt under belt idler mount plate and install around
Figure 10
center spindle pulley. Tension belt by levering idler
pulley against belt and tighten idler pulley flange nut.
1. Lower belt idler 2. Flange nut
5. Place the right spindle belt under the gear box mount
plate and the opposite end on top of the right spindle
pulley. Place the left spindle belt under the gear box
mount plate and the opposite end on top of the left
spindle pulley. Mount the gear box and loop the belts
around the gear box pulley.
6. Feed the right and left spindle belts over the pulleys
by rotating the cutter blades. Tighten the gear box
mounting fasteners.
7. Tension idler pulleys against both belts. Install covers
on top of cutting unit.
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Repairs Page 11 - 10 Groundsmaster 300 Series