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HEADER OPERATION - A SERIES
Form 169552 / 169554 / 169555
107
Revision A
c. If required, adjust knife speed as follows:
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.
1. Shut down engine.
2. Loosen jam-nut (A).
3. Turn adjuster screw (B) clockwise (screw in)
to decrease knife speed, and counter-
clockwise (screw out) to increase the knife
speed.
NOTE
One turn of the adjuster screw will change
the knife speed by approximately 116
strokes per minute, or the wobble box
pulley speed by 58 revolutions per minute.
4. Once adjustment has been made, re-torque
jam nut (A) as shown.
d. Start engine, and re-check knife speed.
A
B