215333
171
Revision A
1008434
A
B
Figure 4.80: Disc Blade Nut
2.
Check and replace nuts under the following conditions:
•
Nut has been previously installed
—
nuts are
one-time-use only
•
Nut shows signs of wear (A) that is more than half the
original height (B)
•
Nut is cracked
Removing Disc Blades
DANGER
To avoid bodily injury or death from unexpected start-up or fall of a raised machine, stop engine, remove key, and
engage lift cylinder lock-out valves before going under machine for any reason.
CAUTION
Disc blades have two sharp cutting edges that can cause serious injury. Exercise caution and wear gloves when working
with blades.
1.
Raise rotary disc pull-type fully, shut off engine, and remove key.
2.
Engage lift cylinder lock-out valves. For instructions, refer to
.
1003631
Figure 4.81: R1 Series Rotary Disc Pull-Type
3.
Open cutterbar doors. For instructions, refer to
.