Singer Class 269w - Page 6

TO REGULATE THE TENSIONS
F ig. 15. Regulating Tension
on Needle Thread
Fig. 16. Regulating Tension
on Bobbin Thread
Tension on needle thread is regulated by thumb
nut
in front of tension discs, as instructed in Fig.15.
Tension on bobbin thread is regulated by screw
on bobbin case tension spring, as instructed in
Fig. 16.
TO ADJUST BOBBIN WINDER PULLEY
Bobbin winder pulley B, Fig. 17 should press
firmly upon machine driving belt C when winding
bobbin. (See instructions on page 5.) To adjust,
engage bobbin winder for winding operation and,
with links D and E in locked position, loosen screw
F. Move pulley, as required and securely retighten
screw F.
TO SET THE NEEDLE BAR
AT THE CORRECT HEIGHT
Turn machine pulley until needle bar moves
down
to its lowest point. With needle bar in this
position, needle bar depth-hole K, Fig. 18 should
be about 27/32 inch above the top surface of the
throat plate, as shown in Fig. 18.
To adjust, loosen needle bar clamping screw M,
Fig. 19 and move needle bar up or down in connec·
tion stud P, as required. Securely retighten screw M.
TO ADJUST THE TENSION POSITION GUIDE
Remove arm side cover plate and loosen pinch
screw G (see inset, Fig. 19) on lifting arm H. Re-
move face plate, Raise presser bar unti I first radius
of tension position guide S2, Fig. 19 touches ten-
sion pin. Tighten lifting arm pinch screw G.
Fig. 17. Adjusting Contact of Bobbin Winder
Pulley with Machine Driving Belt.
p
Fig. 18. Checking Needle Bar Height
(Using Gouge 239369)
Fig, 19, Setting N eedle Bar at Correct Heigh;
From the library of: Superior Sewing Machine & Supply LLC