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13.8) ADJUSTING HALF-TURN FILM FOR COLOR CHANGE
1) The machine will stop automatically if either of the needle position lamp or the needle set lamp blinks
on the color change box.
In this case, adjust the half-turn film as below.
When the needle comes to the center of the needle hole on the plate, adjust the position of the color
change cam, using the manual knob, so that the roller is positioned at the center of the straight line of
the cam as shown in figure.
Open the half turn film cover and align the centers of the half turn sensor and the half turn film.
13.9) ENCODER ADJUSTMENT
Adjust the encoder as below if the needle bar stops at an incorrect position.
①
Unfasten the two screws on the upper shaft of the coupling connected to the encoder.
②
Manually fix the upper shaft angle at around 98
°
by turning the main shaft lever. Adjust the encoder
as shown in figure. Tighten the coupling screws when FIX POS light turns red on the operation box.
Half-turn film
Film screw
Half-turn sensor
Color change motor
Color change cam
Roller
Encoder base
Encoder
Manual color change must be performed at the upper shaft angle of 100
°
°
.
Manual adjustment at the upper shaft angles other than 100
°
°
may cause damage on the
controller and the take-up unit.
CAUTION
