Operation Of The Sewing Machine; Pedal Operation; Hand Lifter - JUKI LH-3500A series Instruction Manual

5. OPERATION OF THE SEWING MACHINE

5-1. Pedal Operation

* When auto-lfter (AK35) s used, -step swtch s ncreased between stop and thread trmmng. The
presser foot goes up when the back part of the pedal s lghtly depressed D , and the presser foot comes
down once when the back part of the pedal s further strongly depressed.
Then the thread trmmer s actuated and the presser foot goes up agan.
• If you reset the pedal to ts neutral poston durng the automatc reverse feed sttchng at seam start, the
machne stops after t cornpletes the reverse feed sttchng.
• The machne wll perform normal thread trmmng even f you depress the back part of the pedal mmed-
ately followng hgh or low speed sewng.
• The machne wll completely perforrn thread trmmng even f you reset the pedal to ts neutral poston
mmedately after the machne started thread trmmng acton.

5-2. Hand lifter

A
B
C
D
E
1
To turn
– 30 –
[The pedal is operated in the following four
steps: ]
) The machne runs at low sewng speed when
you lghtly depress the front part of the pedal. B
2) The machne runs at hgh sewng speed when
you further depress the front part of the pedal. A
(If the automatc reverse feed sttehng has been
preset, the machne runs at hgh speed after t
completes reverse feed sttchng.)
3) The machne stops (wth ts needle up or down)
when you reset the pedal tots orgnal poston.
C
4) The machne trms threads when you fully de-
press the back part of the pedal. E
) When you want to keep the presser foot n the
lfted poston, turn hand lfter 1 n the drecton
of the arrow. By so dong, the presser foot rse 7
mm.
2) When you want to lower the presser foot, lower
the hand lfter. Ths wll return the presser foot to
ts predetermnded lower poston.
3) Operate the knee lfter, and the presser wll rse
by approxmately 3 mm.
Never perform thread trimming operation
with the presser foot lifted since there is
a case where the wiper comes in contact
with the presser foot and the needle may
be broken when the sewing machine is
operated with the presser foot lifted.