262391
115
Revision A
1.
Position the rotary disc header at an appropriate height for the task.
2.
If the rotary disc header is raised:
a.
Place blocks under each end, or just inside each end, of the cutterbar.
b.
Lower the rotary disc header onto the blocks.
c.
Shut down the engine, and remove the key from the ignition.
d.
Close the auxiliary lift cylinder lock-out valves. For instructions, refer to
3.2.1 Locking and Unlocking Auxiliary Lift
.
A
B
C
1003888
Figure 4.64: Disc Blades
A - Blade Wear to Center Line
B - Elongated Hole
C - Maximum Elongation 21 mm (13/16 in.)
3.
On a daily basis, check that the disc blades are securely
attached to the disc.
4.
Inspect the blades for cracks, blade wear (A), and holes (B),
which may have widened beyond safe operating limits (C).
5.
Replace any potentially damaged blades immediately.
IMPORTANT:
Blades should be replaced in pairs so that the disc remains
balanced.
1029017
Figure 4.65: Counterclockwise Disc Rotation
IMPORTANT:
The disc blades have cutting edges on both sides so that
the blades can be turned over and reused. The twist in each
blade determines the cutting direction. If you are unsure
which direction the spindles rotate, refer to for instructions.
•
Changing Eight Disc Cutterbar Crop Stream
•
