214880
90
Revision A
Figure 4.48: Discblade 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 Discblades
DANGER
To avoid bodily injury or death from unexpected start-up or fall of a raised machine, stop engine, remove key, and
engage windrower lift cylinder safety props before going under machine for any reason.
CAUTION
Discblades have two sharp cutting edges that can cause serious injury. Exercise caution and wear gloves when working
with blades.
1.
Raise disc header fully, shut off engine, and remove key.
2.
Engage windrower lift cylinder safety props. Refer to
3.3.1 Engaging and Disengaging Header Safety Props
.
Figure 4.49: R216 SP
3.
Open cutterbar curtain (A). Refer to