Adjustment Of The Thread Take Up Spring Swing Stroke - Mitsubishi PLK-G6030 Technical Manual

7-14. Adjustment of the thread take up spring swing stroke

Loosen the setscrew (No.2) and turn the whole thread tension regulator (No.3) then, adjust the thread
take up spring swing stroke to be become 9~10mm.
After the adjustment, tighten the setscrew (No.2) securely.
7-15. Adjustment of the thread take up spring tension
Insert the screw driver (No.5) into the slit (No.4) of the thread tension regulator (No.3) and adjust the
thread take up spring (No.1) tension. If turn the screw driver to the clockwise, the thread take up
spring tension becomes tight, and if turn the screw driver (No.5) to the counter clockwise, the thread
take up spring tension becomes loose.
9~10mm
7-16. Adjustment of the thread tail after the trimming
Adjust the thread tail (No.3) from the needle after the
trimming with turning the nut (No.2) of the pre-tension
(No.1).
If turn the nut (No.2) to the clockwise, the thread tail
becomes shorter and if turn the nut (No.2) to the
counter-clockwise, the tread tail (No.3) becomes longer.
4
3
2
- 28 -
1
5
3