How To Opening The Bobbin Access Door - Mitsubishi Electric PLK-J6040R3 Technical Manual

5-4.How to opening the bobbin access door

When exchanging the bobbin, please open the bobbin access door (No.1) referring the following
paragraph. The bobbin access door has center of the machine table.
(1) Turn the opening switch (No.2) in the direction of the arrow which has front lower side of the table. The
bobbin access door opens when opening switch (No.2) becomes state in <B> showing in below figure.
(2) When closing the bobbin access door (No.1), turn the opening switch (No.2) in the opposite direction
from state in <B>.
NOTE When start the sewing unless the bobbin access door (No.1) is opened, the start prohibition signal
is valid.
<2>
<1>: Bobbin access door <2>: Opening switch
<1>
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<A>: Door close <B>: Door open