215026
89
Revision A
Inspecting Cutterbar Discs
WARNING
To avoid bodily injury or death from unexpected startup of the machine, always stop the engine and remove the key
from the ignition before leaving the operator
’
s seat 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.
CAUTION
Damaged blades may damage the cutterbar and result in poor cutting performance. Replace damaged blades
immediately.
IMPORTANT:
Unbalanced cutterbar components can lead to premature cutterbar failure.
1029008
A
A
C
C
D
E
B
B
Figure 4.21: Cutterbar Disc
1.
Inspect the cutterbar disc surface (D) for cracks, excessive
wear, and disc distortion. Replace any damaged or worn
discs as required.
NOTE:
Any damaged or worn cutterbar discs are
NOT
repairable
and must be replaced if damaged.
2.
Inspect the cutterbar disc edges (E) for cracks, excessive
wear, and edge distortion. Replace any damaged or worn
discs as required as required.
NOTE:
Any damaged or worn cutterbar discs are
NOT
repairable
and must be replaced if damaged.
3.
Ensure that disc blade fasteners (A) are securely attached
to the cutterbar disc and that nut shields (B) are present
and undamaged. Replace as required.
4.
Check that cutterbar disc bolts (C) are securely attached to
the spindles. Tighten as required.
1028764
A
Figure 4.22: Cutterbar Disc
–
Cutaway View
5.
Inspect the cutterbar disc for severe deformation. If the
disc is deformed, dimension (A) must
NOT
exceed 48 mm
(1 7/8 in.). Replace as required.