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SETTINGS AND ADJUSTMENTS
SECTION 4-23
Setting and Adjusting the Chamber Jackscrew
RELEASE THE CUTTING CHAMBER
FASTENERS
Turn the hold-down clamps counterclockwise
to loosen them.
Swing the hold-down clamps toward you until
they are disengaged from the cutting chamber
housing
When you REVERSE the jackscrew operating direction, always ALLOW THE JACKSCREW MOTOR
TO COME TO A COMPLETE STOP. Release the control switch and allow a minimum of 5 seconds
before switching to the opposite operating position. If you don't allow this pause, the JACKSCREW AND
OTHER COMPONENTS MAY BE SEVERELY DAMAGED.
CUTTING CHAMBER OPEN SETPOINT
At its full-open position, the cutting chamber should be open just
far enough that the center of gravity of the chamber is toward the
rear of the machine.
As the cutting chamber approaches its set point, the upper pivot
arm moves quickly through a short distance as the hopper weight
shifts to the rear. The jackscrew motor should stop just after this
movement occurs.
DO NOT ALLOW THE JACKSCREW MOTOR TO RUN
BEYOND THE POINT WHERE THE CHAMBER MOTION
STOPS: THIS COULD RESULT IN SEVERE DAMAGE TO THE
JACKSCREW.
If the cutting chamber does not reach the set point or if the motor
does not stop at the point described, the jackscrew limit switches
must be adjusted. Confirm whether the cutting chamber operates
properly as you open it in the next step.