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5. CORRECT USE
RH-981A
28
5-3. Installing the needle
CAUTION
Turn off the power switch before installing the needle, otherwise the machine may operate if the start
switch is pressed by mistake, which could result in injury.
Use only Schmetz DO x 558 Nm80 - Nm120 needles.
1. Raise the finger guard (1).
2. Loosen the screw (2), and then remove the needle
(3).
3. Insert the new needle (3) as far as it will go so that
the groove is facing toward you.
4. Securely tighten the screw (2).
5. Remove the work clamp plates. (Refer to page 26.)
Note: After removing the work clamp plates, check
that the index mark (4) on the machine head is
aligned with the index mark (5) on the looper
base before inserting the needle (3) (when the
looper base is turned fully to the right).
6. Lower the finger guard (1).
5-4. Threading the upper thread
CAUTION
Turn off the power switch before threading the thread, otherwise the machine may operate if the start
switch is pressed by mistake, which could result in injury.
Thread the upper thread as shown in the illustration below.
* Use the accessory needle threader (1).
0876Q
0875Q
0874Q
2403Q 0878Q
(1)
<-52 specifications>
3039Q
3040Q3038Q