S-7200C
10. ADJUSTMENTS
125
１０-１４. Adjusting the thread take-up amount (-[][]3 specifications)
CAUTION
Turn off the power switch before carrying out this operation.
The machine may operate if the treadle is depressed by mistake, which could result in injury.
NOTE:
Do not use this function with models that are not –[][]3 specifications.
When sewing heavy materials, the thread tension can be
adjusted more easily if the thread take-up amount is set to a
larger amount
.
1. Remove the face plate.
2. Remove the two rubber caps (1).
3. Use a hexagonal wrench 3 to loosen the set screws (2)
and (3) by approximately two turns.
4. Adjust the thread take-up amount.
<To increase the thread take-up amount>
Turn the thread take-up support shaft (4) clockwise so
that the groove (5) is facing straight upward.
<To return the thread take-up amount to the standard
setting>
Turn the thread take-up support shaft (4)
counterclockwise so that the groove (5) is facing
straight downward.
5. With the thread take-up support shaft (4) pushed in as far
as it will go, first tighten the set screw (2) until it touches
the screw stop on the thread take-up support shaft (4).
6. After this, tighten the set screw (3).
7. Install the two rubber caps (1).
8. Install the face plate.
<Thread take-up amount>
Increases
Standard
Screw
stop
4233M
