MacDon R85 Rotary Disc 13 Foot Pull-Type - Manual (Page 80)

MAINTENANCE AND SERVICING
Form 169454
78
Revision A
7.9.3.1 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 7.5
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 (E). Tensioner (D) 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 (E), ensuring it is 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 6.13.6 Roll
Timing.
j. Torque bolts to 75 lbf·ft (102 N·m).
k. Re-install lower driveshield (B).
l. Close driveshield.
E
D C
F
C
G
A
B