HYDRAULICS & ENGINE MOUNTING
4-11
Toro 30” Aerator Service Manual
4
9. Remove the front two nuts on each of the chain
tensioner plates on the top side and loosen the back
one until the nut is free from the nyloc portion (Fig.
086).
Fig. 086 IMG-0022a
10. Lower the jack and the drive units will pivot
downward.
11. From the RH side remove the old belt. Notice how
the belt stays hooked on the tensioning idler (Fig.
087).
Fig. 087 IMG-0024
Transmission Belt Installation
1. Install the new belt around the engine and LH pump
drive sheave and hook it on the lip of the idler arm
pulley. Slowly raise the oor jack. The last pulley the
belt will slip on, is the RH pump drive sheave (Fig.
088).
Fig. 088 front mount bolts
2. Slowly nish jacking the unit back into position
using the oor jack making sure the belt stays in the
proper position.
3. Start the four nuts on the chain tensioner brackets
removed in step 9. Tighten all six nuts (three on
each side) and then back off one turn each to allow
chain tension adjustment later. Remove the oor
jack (Fig. 089).
Fig. 089 IMG-0022a
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