MacDon R85 Rotary Disc 16 Foot Self-Propelled Windrower Headers - Manual (Page 138)

MAINTENANCE AND SERVICING
Inspecting Cutter Blades
CAUTION
Cutter blades have two cutting edges. Exercise
caution when working around the blades. Blades
are sharp and can cause serious injury. Wear
gloves when handling blades.
CAUTION
Damaged blades may damage the cutterbar and
result in poor cutting performance.
Replace
damaged blades at earliest possible opportunity.
DANGER
Stop engine and remove key from ignition before
leaving operator’s seat for any reason. A child or
even a pet could engage an idling machine.
• Check daily that the cutter blades are securely attached
to the disc.
• Check blades for cracks, wear beyond safe operating
limits (C), and distortion.
• If any of these problems occur, replace blades
immediately.
Figure 7.28
A - Blade Wear to Center Line
B - Elongated Hole
C - Maximum Distortion 0.81 in. (20.6 mm)
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