HYDRAULICS & ENGINE MOUNTING
4-12
Toro 30” Aerator Service Manual
4
4. Reinstall the stationary idler (Fig. 090). 6. Adjust the chain tension on both sides with the
tensioner so chains have 1/4 - 1/2” deection. Do
not over tighten the chains. Do a nal check for
equal tension on both sides before tightening the
6 nuts (three on each side) and the two in front.
See “Transaxle Chain Tensioning” as shown in this
chapter.
7. Recheck chains one more time and set the jam nuts
on the tensioners.
8. Tighten the compression spring for the belt tensioner
until the spring measures 2-3/8” with a new belt.
After run in, recheck the spring and it should not be
more than 2-5/8” (Fig. 092).
Fig. 090 idler
9. Verify all hardware is tight and use the oor jack to
remove the jack stands and lower the unit to the
ground.
5. Tighten the front carriage bolts then back them off
one turn (Fig. 091).
Fig. 091 front mount bolts
A. 2-3/8”
Fig. 092 tensioner
A
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