MacDon R85 Operator's Manual page 185

6. Loosen jam nut (A) to release tension on auger drive
belts (B).
7. Remove all three belts.
8. Install belts (A) on the pulleys. Ensure they are seated
the pulley grooves.
9. Check alignment of belts on pulleys. Belts must not
overhang the edge of idler pulley (B). Contact your
MacDon Dealer if pulleys need realigning.
10. Tension the belts (B) with adjuster nuts (A). Refer to
Inspecting and Adjusting the Auger Drive Belts, page
166.
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MAINTENANCE AND SERVICING
Figure 5.67: Auger Drive Belts
Figure 5.68: Auger Drive Belts
Figure 5.69: Auger Drive Belts
168
B
A
B
B
A
A
Revision A