Toro 23515 Service Manual page 66

HYDRAULICS & ENGINE MOUNTING
7. Tension the drive chains. Pull down on the idler
sprocket until the slack is taken out of the chain.
Tighten the idler sprocket nut and torque it to 30 ft-
lbs. (40.6 Nm) (Fig. 131).
A
B
4
A. Idler sprocket
8. Inspect the flex in the chain. If the chain flexes more
than 1/8 inch (3mm) with 20 lbs. (9 kg) of force
applied, loosen the sprocket nut and re-tighten the
chain (Fig. 132).
A. Flex in the chain
4-12
Fig. 131 fig. 32 G023852
B. Nut
Fig. 132 fig. 31 G023864
9. Connect the self-propel drive bail cable (Fig. 133).
Fig. 133
10. Carefully remove the hoist hooks and lower the
machine to the ground. Raise and lock the handle
into the operating position.
11. Check the gap between the handle and the bail. If
the handle contacts the bail or if there is more than
a 1/8 inch (3mm) gap, loosen the top adjustment
nut one turn and tighten the bottom adjustment nut.
Squeeze the bail to the handle. Repeat this step until
there is a gap of up to 1/8 inch (3mm) between the
self-propel bail and the handle (Fig. 134).
A
B
C
Fig. 134
A. Self-propel drive bail
B. Cable
fig. 34 G023021
C. Top/bottom adjustment
nuts
Toro 21" Aerator Service Manual
32a