Winding The Bobbin Thread - Mitsubishi Electric PLK-J3020R-SE Technical Manual

5-5. Winding the bobbin thread

(1) Please do not touch the rotating part during winding thread. Doing so may cause injury and/or the
machine failure.
(1) Route the thread as shown in the below figure then, wind the thread to the bobbin (No.1) in the
direction of "a" arrow several times. Then fit the bobbin to the bobbin winder (No.2) and push in the
bobbin presser arm (No.3).
(2) With the machine in the Bobbin Wind Mode, step on the work holder foot switch first and then the
start switch second so that the thread continues winding to the bobbin while the start switch is
stepped on.
(3) When the bobbin finishes winding a certain amount (80 to 90 % of the outside diameter of bobbin) of
thread, the bobbin presser arm is returned to the initial position. Adjust the amount of the winding
thread with the subsidiary arm (No.4).
(4) To wind the bobbin thread during the sewing operation, carry out the procedure (1) above then, the
bobbin winding is performed automatically.
For the bobbin winding mode, refer to the instructions in the paragraph "[3] Explanations of basic
screen, icons and operation "6. The Bobbin Winding screen" is explained below" in the
OPERATION PANEL technical manual.
NOTICE When winding in the bobbin winding screen please make sure to pull out the upper thread from
the needle.
<1>: Bobbin <2>: Bobbin winder <3>: Bobbin presser arm <4>: Subsidiary arm
CAUTION
<1>
<2>
- 24 -
a
<4>
<3>