Checking The Torque Of The Transmission Output Shaft Nut - Toro 39521 Operator's Manual

Adjusting the Drive Wheel Chain
Tension
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 55).
Note:
The chains should move up and down 6
to 12 mm (1/4 to 1/2 inch).
Figure 55
1. Locknut
2. Idler sprocket
4. Loosen the locknut and carriage bolt that secure
the idler sprocket
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 55.
•
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
up and down 6 to 12 mm (1/4 to 1/2 inch).
3. Drive-wheel chain
(Figure 55).
until you can move the chain
Checking the Torque of the
Transmission Output Shaft
Nut
Service Interval: Yearly
Torque the nut
tapered shaft to 285 to 353 N∙m (210 to 260 ft-lb).
1. Transmission output shaft nut
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49
(Figure 56) on the transmission output
Figure 56
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