MacDon R85 Rotary Disc 16 Foot Self-Propelled Windrower Headers - Manual (Page 100)

OPERATING THE HEADER
13. Adjust eye bolt (A) and secure with jam nut (B) to
tighten auger drive belts (C). See Inspecting the Auger
Drive Belts, page 150 .
Figure 6.39
169457
92
Rev. F