215026
105
Revision A
1008434
A
B
Figure 4.53: 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 windrower lift cylinder safety props 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 the rotary disc header fully,
2.
Shut off the engine, and remove the key from the ignition.
3.
Engage the windrower lift cylinder safety props. For instructions, refer to
3.2.1 Engaging and Disengaging Header
1028779
A
Figure 4.54: Cutterbar Curtain
4.
Open cutterbar curtain (A). For instructions, refer to
Opening Cutterbar Curtain, page 45
.