Vibratory Amplitude Control
NOTE: Machines that are equipped with the lockout
for the vibratory system must be set to the
LOW range in order to start the vibratory
The vibratory amplitude control is located on the
operator console to the right of the seat. The control is
used to select one of three settings: low amplitude,
high amplitude, and off.
LOW - To achieve LOW amplitude, rock
the vibratory control (2) forward.
OFF - To stop the vibration system, rock the vibratory
control (2) to the CENTER position.
HIGH - To achieve HIGH amplitude, rock
the vibratory control (2) rearward.
Variable Vibration Control Knob
The variable vibration control knob (3) is used to vary
the frequency of the drum vibration. Rotate the knob
in a clockwise direction in order to increase the drum
vibration. Rotate the knob in a counterclockwise
direction in order to reduce the frequency of the drum
vibration. The drum vibration can be varied from 1400
to 1965 vibrations per minute (VPM).