MacDon R85 Rotary Disc 13 Foot - Manual (Page 102)

MAINTENANCE AND SERVICING
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100
Revision C
7.6.5.1 Replacing 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.
a. Lower header to ground, turn off engine, and
remove key.
b. Open the driveshield (A). See Section 6.2.2
Driveshield. Lower shield (B) can also be
removed to ease access to drive compartment.
c. Release tension on conditioner drive belt (C).
See previous section.
d. Remove conditioner drive belt (C) from drive
pulley (D). Tensioner (E) can be forced away
from belt to ease removal.
e. Remove the four bolts (F), and washers attaching
upper driveline to driven pulley (G), and slide
driveline away from pulley.
f. Remove drive belt (C) from driven pulley.
g. Install new belt (C) onto driven pulley (G) first, and
then onto drive pulley (D), ensuring they are in the
pulley grooves.
h. Tension belt (C). See previous section.
i. Re-attach upper driveline to driven pulley with
bolts (F) and washers. Check roll timing before
fully tightening bolts. See Section 6.12.4 Roll
Timing.
j. Torque bolts to 75 lbf·ft (102 N·m).
k. Re-install lower driveshield (B).
l. Close driveshield (A).
F
C
G
D
E C
B
A