When stitching is t_nsatisfac_ory as in
figures 2 _xnd 3, adjust the upper
thread tension, Lower thread tension
reqttires adjustmcn_ lc,_s frequently
than the upper thread tension.
When stitch is _atisfactory, as in figure
1 and seam is badly puckered, the
cause may b_, tight tensions and both
upper and lower ma) be adjusted. _See
page 32]
When adjustin N the tension on the
bobbin case, make slight adjustments
with a screwdriver, (See page _2)
INCREASETENSION
DECREASETENSION
13
Turn Clockwise,
Turn Counter
Clockwise.
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