MacDon R85 Rotary Disc 13 Foot Self-Propelled Windrower Header - Manual (Page 148)

MAINTENANCE AND SERVICING
5. If necessary, adjust tension as follows:
a. Loosen jam nut (B).
b. Turn nut (A) clockwise to increase spring length
(increase tension).
c. Turn nut (A) counterclockwise to decrease spring
length (decrease tension).
6. Tighten jam nut (B).
7. Close driveshield.
Figure 7.62
Replacing the Conditioner Drive Belt
Follow these steps to replace the conditioner drive belt:
DANGER
Stop engine and remove key from ignition before
leaving operator's seat for any reason. A child or
even a pet could engage an idling machine.
1. Lower header to ground, turn off engine, and
remove key.
2. Open the driveshield (A). See section 5.4 Driveshields,
page 28 . The lower shield (B) can also be removed to
ease access to drive compartment.
Figure 7.63
169455
140
Rev. E