MacDon R80 Rotary Disc Pull-Type Windrower - Manual (Page 99)

MAINTENANCE/SERVICE
Form # 169053
97
Model Year - 2009
7.9.6 Conditioner Drive Belt Idler
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.
The conditioner drive belt idler does not require
normal maintenance or servicing but may
eventually require replacing.
Replace the idler as follows:
a. Raise header fully, shut off engine and remove
key.
b. Engage lift cylinder lock-out valves.
c. Open LH drive shield.
d. Loosen jam-nut (A).
e. Turn adjuster bolt (B) counter-clockwise to
release tension on spring until idler (C) and belt
(D) are loose.
f. Remove nut (E), washers, and remove idler (C).
IMPORTANT
Note locations of washers on bolt. They
center the idler on the drive belt and must
be re-installed the same location.
g. Install idler (C) onto bolt with washers in same
locations.
h. Install nut (E) and torque to 150 ft·lbf (203 N·m).
i. Tension belt (D). Refer to Section 7.9.5.2
Tension Adjustment.
j. Close drive shield.
B
A
D
C
E C