MacDon A40-D, Operator'S Manual, Page: 131 / 240

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Revision A
4.7 Cutterbar
CAUTION
To avoid personal injury, before servicing header or opening drive covers, follow procedures in .
Figure 4.14: Safety around Equipment
WARNING
Exercise caution when working around the cutterbar.
Blades are sharp and can cause serious injury. Wear
heavy gloves when working around or handling knife.
WARNING
Keep hands clear of the area between guards and knife
at all times.
4.7.1 Replacing Knife Section
Check daily that sections are firmly bolted to the knife back, and are not worn or broken. Replace as required. A
worn or broken knife section can be replaced without removing the knife from the cutterbar.
WARNING
To avoid bodily injury or death from unexpected start-up or fall of raised machine, always stop engine,
remove key, and engage safety props before going under machine for any reason.
WARNING
Stand to rear of knife during removal to reduce risk of injury from cutting edges. Wear heavy gloves when
handling knife.
Figure 4.15: Knife Section
1. Turn off engine and remove key.
2. Stroke knife as required to expose knife sections.
3. Remove lock nuts (A), and lift section (B) off of bolts.
IMPORTANT:
Do NOT mix heavy and light knife sections on
same knife.
4. Clean any dirt off of knife back, and position new knife
section on bolts.
5. Secure with lock nuts, and tighten to required torque.
MAINTENANCE AND SERVICING