Mitsubishi Electric PLK-J2516R-YU, Technical Manual

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5-5. Setting the bobbin
(1) Set the bobbin (No.2) into the bobbin case (No.1).
(2) Pull the bobbin thread (No.3) into the slit (No.4) and pass through the thread hole (No.5).
At this time, pull the bobbin thread (No.3) then, check with the bobbin (No.2) if it is rotated to the arrow
direction. If it is not, set the bobbin (No.2) into the bobbin case (No.1) over again to get the proper
rotation.
5-6. Setting the bobbin case
(1) Pull the bobbin thread about 50mm out of the thread hole of the bobbin case (No.4).
(2) Open the cylinder cover (No.1).
(3) Open the bobbin case latch (No.2) and hold it then, fit it securely in the shuttle hook (No.3).
<4>
ｂ
<2>
<3>
<5>
<1>
<1>: Bobbin case
<2>: Bobbin
<3>: Thread
<4>: Bobbin case slit
<5>: Bobbin case thread hole
<1>
50ｍｍ
<3>
<2>
<4>
<1>: Cylinder cover <2>: Bobbin case latch <3>: Inner hook
<4>: Bobbin case