– 22 –
4-8. adjusting the thread take-up spring
5. oPEratIon oF tHE sEWInG MacHInE
5-1. sewing
Decrease
Increase
3
2
3P pedal
[In case of 3P pedal]
1) Set a workpece on the sewng
machne.
2) When pedal swtch
A
s de-
pressed, the rght-hand presser
comes down, and when t s
depressed agan, the presser
goes up. When pedal swtch
B
s depressed, the left-hand
presser comes down, and
when t s depressed agan, the
presser goes up.
1
4
1) Adjustng the stroke
Loosen setscrew
2
, and turn thread tenson asm.
3
.
Turnng t clockwse wll ncrease the movng
amount and the thread drawng amount wll
ncrease.
2) Adjustng the pressure
To change the pressure of the thread take-
up sprng
1
, nsert a thn screwdrver nto the
slot of thread tenson post
4
whle screw
2
s
tghtened, and turn t. Turnng t clockwse wll
ncrease the pressure of the thread take-up
sprng. Turnng t counterclockwse wll de-
crease the pressure.
[In case of 2P pedal]
1) Set a workpece on the sewng machne.
2) Depress the pedal swtch
A
, and the feedng
frame wll come down. Depress t agan, and
the feedng frame wll go up.
3) Depress the pedal swtch
B
after the feedng
frame has come down and the sewng machne
wll start sewng.
4) After the sewng machne completes sewng,
the needle pont wll return to the start pont
and the feedng frame wll go up.
A
B
C
A
B
e
2P pedal
3) Depress the pedal swtch
C
after the feedng frame has come down and the sewng machne wll
start sewng.
4) After the sewng machne completes sewng, the needle pont wll return to the start pont and the
feedng frame wll go up.
When using the area 1510 with the standard method, the use of 3P pedal is the same as
that of 2P pedal. refer to [In case of 2P pedal].
When using the pedal as 3P pedal by remodeling the presser or the like, it is necessary
to change the connecting procedure of the pedal and memory switches u81 and u82.
