Singer 191D-30 - Thread Take-Up Spring Adjustment

3.12
Thread
Take-Up Spring
Adjustment
The adjustment of the stroke of the
thread take-up spring (Figure 18)
Loosen setting screw '2 '.
Turn the thread tension post '3'
clockwise (in direction ~ '), the
stroke
of the thr ead take-up spring
will be increased.
Turn the
thread tension post '3'
c ounter -clockwise ( in direc t ion '8 ' ),
the stroke of the thread take-up
spring will be decreased.
Adjusting the pressure of the thread
take-up spring '1' (Figure 19)
Loosen setting screw '2' and take
out thread tensi on assembly '5'.
Figure 18
Loosen setting screw '4' and turn
the tension post '3 '.
Turn the tension post '3' clockwise
(
in direction ~ ' ), the pressure of the
spring will be increased.
Tu rn the tension pos t '3' coun-
ter clockwise (in dire ct ion '8 '), the
pressure
will be decreased.
• Usually , the thread take- up spr i ng
'1' has been properly adjusted be-
fore leaving the factory.
• O nl y wh en sewing special clothes
or using special thread is readjust-
ment necessary.
Fi gure 19
High Speed Straight Lockst1tch Sewing Machine ! Instruction Manual and Parts List 13
From the library of: Superior Sewing Machine & Supply LLC