MacDon R80 Rotary Disc Pull-Type Windrower - Manual (Page 101)

MAINTENANCE/SERVICE
Form # 169053
99
Model Year - 2009
7.9.8 Lifting Roll Belt Idler
The lifting roll belt idler does not require normal
maintenance or servicing but may eventually
require replacing.
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.
Replace the idler as follows:
a. Raise header fully, shut off engine and remove
key.
b. Engage lift cylinder lock-out valves.
c. Open RH drive shield.
d. Remove five bolts (A) and nuts and remove rear
shield (B).
e. Remove belts. See previous section.
f. Remove nut and bolt (C) and remove idler (D)
from arm.
g. Install new idler (D) with bolt (C) and nut.
h. Tighten nut to 150 ft·lbf (203 N·m).
i. Reinstall belts. See previous section.
7.9.9 Lifting Roll Idler Bearing
The lifting roll belt idler bearing does not require
normal maintenance or servicing but may
eventually require replacing.
Replace the idler bearing as follows:
a. Remove lifting roll idler (D). Refer to previous
section.
b. Remove C-clip (E) and remove bearing (F) from
idler.
c. Install new bearing (F) and secure with C-clip
(E).
d. Re-install idler. Refer to previous section.
D
E
F
A
B
D
C