MacDon R85 Rotary Disc 16 Foot Self-Propelled Windrower Headers - Manual (Page 159)

MAINTENANCE AND SERVICING
6. To check the belt tension, spring (A) length should
measure 10.3 in. (262 mm) (B). If necessary, adjust
belt tension as follows:
a. Loosen jam nuts (C).
b. Adjust eye bolt (D) until spring length (B)
is achieved.
c. Tighten jam nuts (C).
NOTE: Edge of eye bolt to jam nuts (E) should
measure 1.6 in. (41 mm).
7. Close driveshield.
Figure 7.65
Replacing the Auger Drive Belts
Follow these steps to replace the auger drive belts:
1. Raise header fully, turn off engine, and remove key
from ignition.
2. Engage header safety props. See Section 5.3 Header
Safety Props, page 26 .
3. Open driveshield. See Section 5.4 Driveshields, page
28 .
4. Remove/loosen four bolts (A) and remove cover (B).
Figure 7.66
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151
Rev. F