Adjusting Thread Tension; Pressure Of Presser Foot; Adjusting Position Of Presser Foot - Yamato VF2400 class Instruction Manual

5.4 Adjusting thread tension

Adjust the thread tension with the thread tension spring
caps ① depending on fabric type, thread type, seam width,
stitch length, and other sewing conditions.
● To tighten the thread tension, turn them clockwise.
● To loosen the thread tension, turn them counterclock-
wise.

5.5 Pressure of presser foot

Loosen the lock nut ② and turn the presser spring regula-
tor ③ to adjust the pressure.
● To increase the pressure, turn it clockwise.
● To decrease the pressure, turn it counterclockwise.
Keep the pressure as low as possible for stable sewing per-
formance.

5.6 Adjusting position of presser foot

Before adjusting, ALWAYS turn the power switch OFF
and check that the machine has already stopped.
Adjust left-and-right position of the needle holes of the
presser foot.
Loosen the screw ④ . Move the front of the presser foot
right or left so that the needles drop in the centers of the
needle drops respectively.
Then, tighten the screw ④ securely.
Fig. 5-5
Decrease
③
②
Fig. 5-6
④
Fig. 5-7
17
5. Proper operation
①
Tighten
Loosen
Increase
Needles
VF2400