MacDon R80 Rotary Disc - Manual (Page 59)

MAINTENANCE/SERVICE
Form # 169089
57
Model Year - 2009
7.8.5 Accelerators
7.8.5.1 Removal
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. Raise header fully, shut off engine and remove
key.
b. Engage lift cylinder lock-out valves.
c. Open cutterbar doors.
CAUTION
Cutter blades have two cutting edges.
Exercise caution when working around the
blades. Blades are sharp and can cause
serious injury. Wear gloves when handling
blades.
d. Remove disc. Refer to Paragraph 7.8.3.1 Disc
Removal.
e. Remove bolt and nut (A), and nut (B) and
remove accelerator (C) from disc (D). Do not
remove cutterblade bolt unless it or the blade
are being replaced. Repeat for other
accelerator.
7.8.5.2 Installation
a. Locate accelerator on disc onto existing
cutterblade bolt and install nut (B).
b. Install hex bolt (A) and nut at inboard hole. Bolt
head faces up.
c. Tighten both nuts to 100 ft·lbf (135 N·m).
d. Repeat for other accelerator.
e. Reinstall disc (D) on spindle. Refer to
Paragraph 7.8.3.2 Disc Installation.
f. Remove block of wood if used.
WARNING
Ensure cutterbar is completely clear of
foreign objects. These objects can be
ejected with considerable force when the
machine is started and may result in
serious injury or machine damage.
g. Close cutterbar doors.
A
B
C
D