14.ADJUSTING
THE UPPER TENSION
CONTROL
DIAL
STANDARD
,Vhen the upper tension
control
dial i_ set at "O" and the presser foot is lowered,
the upper thread
tension
should
be between
5 and IO g
_vhen cotton
thread
#50 is used.
gDIUSTMENT
Set the upper tension
control
diaJ to "O" and pass cotton
thlead
between
the tension
discs.
Lower
the presser loot.
3.
Remove
the upper tension
disc and the stop ring
4.
Remove
the upper
tension
control
dial.
3.
,Measure
the _hread tension
using a tens#on gauge and _ucn the _¢mw to adius_ the tension
so i_ is between
5 and I 0 g.
Insert the upper
tension
control
dia] onto
the upper tension
disc in Lhe"O"
posiLion
and secure
itwith
the stop ring
Align
the upper tension
disc with
the"O".
-14-