MacDon R80 Rotary Disc - Manual (Page 71)

MAINTENANCE/SERVICE
Form # 169089
69
Model Year - 2009
7.9.4 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. Lower header to ground, turn off engine, and
remove key.
b. Open LH drive shield (A).
c. Loosen jam-nut (B).
d. Turn adjuster bolt (C) counter-clockwise to
release tension on spring until idler (D) and belt
(E) are loose.
e. Remove nut (F) from idler shaft and remove idler
(D).
IMPORTANT
Note locations of washers on shaft. They
centre idler on the drive belt and must be
re-installed the same location.
f. Install idler (D) onto shaft with washers in same
locations.
g. Install nut (F) and torque to 150 ft·lbf (203 N·m).
h. Tension the drive belt (E). See Section 7.9.3.1
Tension Adjustment.
i. Close drive shield (A).
A
C
B
E
D
F
D