Toro Groundsmaster 300 Series Service Manual page 360

Center Section:
NOTE: Wing belts must be removed first.
1. Loosen capscrew nuts holding the spring bracket to
the deck. Loosen the threaded rod jam nut, then gradu-
ally loosen the tension nut to release the spring tension.
CAUTION
Loosen capscrew nuts holding the spring
bracket to the deck before loosening
threaded rod to avoid sudden movement of
the spring bracket.
2. With belt tension released, remove idler arm and belt
guides as necessary and remove the belt.
3. Position new belt correctly in the center section
pulleys. Replace and tighten the idler arm and guide.
4. Be sure all belt guides are in the correct position and
secured to the deck and adjust belt tension by following
the procedure described above.
IMPORTANT: Check tension of new belts after initial
10 hours of operation.
IMPORTANT: If there is a gap of more than 3/16 inch
between the rubber stop and the idler arm a belt
adjustment is necessary.
IMPORTANT: Too much tension on the belt will
cause early belt failure.
Repairs
1. Threaded rod
2. Spring bracket nuts
3. Rubber stop
Page 12 - 16
Figure 25A
4. Tension nut
5. Jam nut
Figure 25B
®
Groundsmaster 300 Series