Threading Of The Bobbin Thread; Adjustment Of The Bobbin Thread Tension; Balance Of Threads Tension; A Adjustment Of The Needle Thread Tension - JUKI LU2-4652-B1T Instruction Manual

HOW TO USE

8 Threading of the bobbin thread

( 1 ) Put bobbin thread into the slit ①, pass under
the lug ② and extend it above the bed.
② Opener
( 2 ) While holding two needle threads with your
left hand, turn the pulley one rotation with
your right hand. The bobbin threads will
come up when needle threads are lifted up
as shown in the figure. Needle threads and
bobbin threads should be aligned and led
backward together.

9 Adjustment of the bobbin thread tension

Thread tension screw
Thread
①
Loosen Tighten

: Balance of threads tension

A ○
B ×
C ×

A Adjustment of the needle thread tension

To adjust needle thread tension, turn the thread
tension nut.

B Adjustment of the presser foot pressure

Adjust the presser foot pressure according to the
fabric by turning the pressure adjusting screw.
Weaken
— 11 —
Balanced tension
Tight the needle thread tension or
loose the bobbin thread tension
Loose the needle thread tension or
tight the bobbin thread tension
Pre-tension nut
Tighten
Loosen
Tighten
Loosen
Thread tension nut
Strengthen