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7-9. Air Pipes Related
Outline pipe arrangement from the pneumatic pressure control unit to the machine is as shown on the
figure.
(1) Straight joint, which relays the pipe to the bobbin thread trimming air cylinder, and connector, which
relays the sensor cable of said air cylinder, are arranged at the section indicated with the arrow.
When the machine head is removed from the table, it is necessary to disconnect the straight joint
and the wiring connector.
(2) If the work holding device is left at the mechanical home position for a long time, the coil tube is
stretched too much to recover the original coil so that it could droop so much as in contacts the X
movement cover face. When the machine is stopped for a long time, make sure to bring the work
holding device to the column side.
Clamp frame up/down cylinder
Presser foot cylinder
Work holder cylinder
Thread release cylinder
Coil tube (5 strands)
Lower thread trimming cylinder
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Pneumatic control unit
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