Button Hole Stitch Button Hole Length - Brother STAR240E Service Manual

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24.

BUTTON HOLE STITCH BUTTON HOLE LENGTH

(STAR240E, STAR230E, PS57, PS55)
STANDARD
When a button hole is sewn using a 20 mm button, the button hole length should be sewn 21-23 mm. The BH
operation should be 0.5-1.1 N (50-110 gf) on the return side.
ADJUSTMENT
1.
Loosen the BH change arm set screw.
2.
Adjust according to the arrow mark 2 on the BH lever.
3.
Tighten the BH change arm set screw.
4.
Loosen the screw securing the eccentric nut.
5.
Turn the eccentric nut and align with 0.5-1.1 N (50-110 gf) on the BH lever return side. (The adjustment
should be made within 1/2 rotation of the eccentric nut.)
6.
Tighten the screw securing the eccentric nut.
* Adjust the BH lever changing timing with the BH notch adjustment screw.
20 mm
21-23 mm
BH change arm
BH notch adjustment screw
www.promelectroavtomat.ru
Eccentric nut
0.5-1.1 N
(50-110 gf)
Shorter
-55-
Longer
BH lever

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This manual is also suitable for:

Star230ePs-57Ps-55Ps-53

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