7. CORRECT USE
26
BE-438C
7-6-5. Thread take-up spring tension
Turn the tension stud (1) with a screwdriver.
7-6-6. Adjusting arm thread guide R
.
The standard position of arm thread guide R (1) is when the
screw (2) is aligned with mark .
To adjust the position, loosen the screw (2) and then move
arm thread guide R(1).
*
When sewing thick material, move arm thread guide R(1)
to the left. (The thread take-up amount will become
greater.)
*
When sewing thin material, move arm thread guide R(1)
to the right. (The thread take-up amount will become
less.)
7-6-7. Thread take-up amount
Loosen the screw (1) and move the stopper (3.57 nut) (2) to
adjust the operating angle of the thread take-up solenoid (3).
*
To reduce the thread take-up amount, move the stopper
(2) upward.
*
To increase the thread take-up amount, move the stopper
(2) downward.
2657Q
Weaker
Stronger
2658Q
Become
greater
Become less
2541Q
Become less
Become greater
