Filter
Top Products
5. ADJUSTMENT
５-１８. Adjusting the thread take-up amount
[KE-430B, 430C, 431B, 431C, 432B, 432C, 433B, 434B, 434C, BE-438B, 438C]
At the time of shipment from the factory, the thread take-up amount (stroke) of the thread take-up lever (1) is
adjusted as shown in the table below. You may need to adjust this setting depending on the sewing conditions to
prevent the thread from pulling out at the sewing start.
KE-430B, 430C KE-431B, 431C KE-433B
KE-432B, 432C, 434B, 434C
BE-438B, 438C
Spec.
－1, -5 －2, －7
－2, －3
-1
-2, -7 -
Thread take-up
amount
5mm 0mm
0mm 5mm
0mm 5mm
3467Q
Become les
s
Thread take-up amount (stroke)
Become greater
2560Q
Lo
osen the screw (2) and move the stopper (3.57 nut) (3) to adjust the operating angle of the thread take-up
solenoid (4).
* To reduce the thread take-up amount, move the stopper (3) upward.
* To increase the thread take-up amount, move the stopper (3) downward.
Note:
If the stroke of the thread take-up lever (1) is shorter than necessary, the needle thread trailing length may
become too short and the thread may come out of the needle. Furthermore, if it is larger than necessary, the
needle thread trailing length may become too long and the underside of the article being sewn may become
untidy.
KE-430B, 430C series
114