Service Manual

GROUND DRIVE & TINE SYSTEMS
5-9
Toro 30” Aerator Service Manual
5
7. Place the idler sprocket on the tine chain. Adjust
idler position to allow a maximum of 3/8” of chain
movement. Torque nut to 50 ft-lbs. (69 Nm) (Fig.
198).
Fig. 198 idler sprocket
8. Place the idler sprocket on the drive chain. Adjust
idler position to allow a maximum of 3/8” of chain
movement. Torque nut to 50 ft-lbs. (69 Nm) (Fig.
199).
Fig. 199 drive tensioner
A
A. 3/8” movement
Jackshaft Replacement
Jackshaft Removal
1. Remove the two bolts and nuts holding the chain
guard (Fig. 200).
Fig. 200 chain guard
2. Remove the tension on the drive chains for both
sides.
3. Loosen the three nuts on each of the chain tensioner
plates on the top side until the nut is free from the
nyloc portion (Fig. 201).
Fig. 201 tightener bolt