MacDon A40D - Adjusting Knife Timing

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DANGER
To avoid bodily injury or death from the unexpected start-up or fall of a raised machine, always shut down the engine
and remove the key before leaving the operator’s seat, and always engage the safety props or close the lock-out valves
before going under the machine for any reason.
1. Raise the header, and place a suitable container under the knife drive box drain to collect oil.
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B
Figure 4.61: Knife Drive Box Breather
2. Engage the safety props.
3. Remove breather/dipstick (A) and drain plug (B), and allow
the oil to drain.
4. Replace the drain plug and add oil to the required level.
Use gear lubricant, SAE 85W-140, API Service Class GL-5,
2.1 liters (2.2 quarts).
5. Disengage the safety props.
4.8.10 Adjusting Knife Timing
Double-knife A40D Auger Headers require that the knives are properly timed to move in opposite directions. Knives moving
in the same direction will cause unnecessary vibration.
DANGER
To prevent injury or death from the unexpected start-up of the machine, always stop the engine and remove the key
from the ignition before leaving the operator’s seat for any reason.
1. Shut down the engine, and remove the key from the ignition.
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Figure 4.62: Right Knife Drive Belt
2. Remove right knife drive belt (A), if it is not already
removed.
MAINTENANCE AND SERVICING