Toro 39519, Operator'S Manual

Page: 41 / 60

Adjusting the Tension on the
Drive-Wheel Chain
1. Shut off the engine, engage the parking brake,
remove the key, and wait for all moving parts to
stop before leaving the operating position.
2. Lift the rear of the machine and support it using
jack stands.
3. Check the tension of the drive-wheel chains
(
Figure 44 ).
Note:
The chains should move up and down 6
to 12 mm (1/4 to 1/2 inch).
g025990
Figure 44
1. Locknut 3. Drive-wheel chain
2. Idler sprocket
4. Loosen the locknut and carriage bolt that secure
the idler sprocket (
Figure 44 ).
5. Increase or decrease chain tension by
performing the following:
•
Push down and forward on the sprocket
to increase the chain tension as shown in
Figure 44 .
•
Lift up and back on the sprocket to decrease
the chain tension.
6. Torque the locknut to 91 to 113 N∙m (67 to 83
ft-lb).
7. Check the chain tension and if necessary repeat
steps
4 through 6 until you can move the chain
up and down 6 to 12 mm (1/4 to 1/2 inch).
Checking the Transmission
Output Shaft Nut Torque
Service Interval: Yearly
Torque the nut ( Figure 45 ) on the transmission output
tapered shaft to 285-353 N∙m (210-260 ft-lb).
g025989
Figure 45
1. Transmission output shaft nut
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