Elkhart Brass Oscillating_RAN 3890 - Manual (Page 9)

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Figure 5: Automatic Oscillation Engagement
VI. Adjusting The Sweep Angle
The automatic sweep angle of the Oscillating R.A.N. can be infinitely adjusted between 25
o
and 40
o
total sweep angle. Do not attempt to adjust the sweep angle while the automatic oscillation is
engaged. Move the engagement lever to the manual position before attempting to adjust the
sweep angle. In order to adjust the sweep angle, first loosen the adjustment knob on top of the
oscillator. Once the knob is loosened, the positioning of the knob can be adjusted in the slot. Move
the knob to the desired position and then tighten the knob to lock it in place. The sweep angle is
clearly labeled on the top of the oscillator drive disc. Refer to Figure 6 for further instructions.
Figure 6: Sweep Adjustment