– 9 –
16. tHrEaD taKE-uP sPrInG
(1) changing the stroke of thread take-
up spring
1
) Loosen setscrew
2
.
2) As you turn tenson post
3
clockwse (n drecton
A
), the stroke of the thread take-up spring will be
ncreased.
3) As you turn the post
3
counterclockwse (n d
-
recton
B
), the stroke wll be decreased.
(2) changing the pressure of thread take-up spring
1
) Loosen setscrew
2
, and remove thread tenson (asm.)
5
.
2) Loosen setscrew
4
.
3) As you turn tenson post
3
clockwse (n drecton
A
), the pressure wll be ncreased.
4) As you turn the post
3
counterclockwse (n drecton
B
), the pressure wll be decreased.
17. aDJustInG tHE tHrEaD taKE-uP stroKE
1) When sewing heavy-weight materials, move
thread gude
1
to the left (n drecton
A
) to
ncrease the length of thread pulled out by the
thread take-up.
2) When sewing light-weight materials, move thread
gude
1
to the rght (n drecton
B
) to decrease the
length of thread pulled out by the thread take-up.
3) Normally, thread gude
1
s postoned n a way
that marker lne
C
s algned wth the center of
the screw.
1
2
3
4
5
1
B
A
1
C
B
A
WarnInG :
to avoid possible personal injury due to abrupt start of the machine, turn off the power to the
machine and check to be sure that the motor has totally stopped rotating in prior.