Adjustments
Adjusting the PTO Belt Tension
Figure 71
G436083
Tension adjustment link
Adjustment bolt
1. Park the machine on a level surface, lower any attachments to the ground,
engage the parking brake, and remove the key from the ignition.
2. Switch the main circuit breaker to the O
FF position, to de-energize the electrical
system.
3. Pull out the PTO belt tensioner rod to release tension from the belt tensioner
linkage.
4. Loosen the adjustment bolt
.
5. Rotate the tension adjustment link
clockwise to increase the tension or
counterclockwise to decrease the tension applied to the PTO and attachment
belts.
6. Torque the adjustment bolt to 42 Nm (31 ft-lb).
7. Switch the main circuit breaker to the O
N position, to energize the electrical
system.
Adjusting the PTO Electric Clutch Air Gap
The PTO clutch is an electric clutch that is activated by the PTO switch to engage or
disengage power to belt driven attachments. The clutch also provides braking action
to stop the attachment when the PTO is disengaged, or the operator presence circuit
is interrupted.
Chassis: Adjustments Page 7–4 4520P
09.40003Rev 00
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