MacDon R85 Rotary Disc 13 Foot Self-Propelled Windrower Header - Manual (Page 149)

MAINTENANCE AND SERVICING
3. Release tension on conditioner drive belt (A). Refer to
Inspecting the Conditioner Drive Belt, page 138 .
4. Remove conditioner drive belt (A) from drive pulley (B).
Tensioner (C) can be forced away from belt to
ease removal.
Figure 7.64
5. Remove the four bolts (A) and washers attaching upper
driveline to driven pulley (B) and slide driveline away
from pulley.
6. Remove drive belt (C) from driven pulley.
Figure 7.65
IMPORTANT
Change all three belts when replacing as they are
a matched set.
7. Install new belt (A) onto driven pulley (B) first and
then onto drive pulley (D) ensuring they are in the
pulley grooves.
8. Tension belt (A). Refer to Inspecting the Conditioner
Drive Belt, page 138 .
Figure 7.66
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Rev. E