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7.8
Photoelectric sensor
Photoelectric sensors BL1 (Butterfly corn bin), BL2 (Mushroom corn bin), BL3 (popcorn bag)
are sensors of diffuse-reflective type. The sensor trips whenever distance (1) to corn seeds in
corn bins, or popped corn in popcorn bag exceeds certain threshold, see Fig. 11.
The threshold can be adjusted with adjustment screw (3). Changing position of the sensor
with fixing nuts (5) also affects the sensing distance.
Orange operation indicator (4) represents the status of the sensor output (ON/OFF).
Green stability indicator (2) represents stability of the received signal.
7.9
Supply cord replacing
1. Unplug the machine.
2. Open electric panel.
3. Disconnect supply cord wires from terminals.
4. Release cable gland, remove old cord.
5. Insert new cord in the cable gland; connect to the terminals.
6. Tighten cable gland; make sure the cord is secured firmly and cannot move back and
forth through the gland.
7. Close electric panel.
Figure 11
33
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