Winding Bobbin; Upper Threading; Adjusting Bobbin Winder - White 734 Operator Instructions Manual

WINDING BOBBIN
Disengage the hand wheel (1) from the
stitching
mechanism by turning the
clutch nut (2) toward you or counter
clockwise.
Place a spool of thread on one of the
spool pins and lead thread through the
rear Top Thread Guide (3) alter winding
around Bobbin Winder Tension
Disc.
Run the end of thread through a hole in
the bobbin edge and place bobbin on
spindle of bobbin winder (4) fitting the
notch on bobbin over small spring on
spindle.
Push bobbin winder to the right, and hold
the thread end loosely then start machine
slowly, and bobbin will stop turning
when bobbin is full.
Cut thread and push bobbin winder to
the left. Remove bobbin from bobbin
winder.
Turn clutch nut away from you until
sewing mechanism is again engaged so
that needle moves when you turn the
hand wheel.
ADJUSTING
BOBBIN
WINDER
(A)
It may be necessary to adjust of rear top
thread guide when thread winds unevenly
on bobbin.
If the thread winds unevenly on bobbin
as shown (A), loosen set screw of rear top
thread guide and move the thread guide
up slightly. If the thread winds as shown
12
move the thread guide down slightly.
UPPER THREADING
1. Turn the hand wheel toward
you to raise the take-up lever
to its highest position.
2. Place a spool of thread on the
spool pin.
3. Lead the thread through the
top thread guides.
4. Down and between the tension
discs, from right to left.
5. Draw the thread up through the
check.spring and with a slight
tug into the hook.
6. Up and through the eye of take
up lever from right to left.
7. Lead thread down through the
thread guide at the bottom of
the threading slot, then, through
the thread
guide on needle
clamp.
8, Thread the needle
FROM
FRONT TO BACK, drawing it
through about 3 or 4 inches.
Hold the end of the upper
thread loosely and turn
the
hand wheel toward you until
the needle goes all
the way
down and comes back up.
A
thread loop will form over the
upper thread which then can be
pulled out straight. Place both
thread ends under presser foot
and draw toward the back of
the machine, leaving both
threads three or
four inches
long.
In case of twin needle sewing, place
two spools of thread, matching or
contrasting in color, one on each
spool pin, lead both threads
through top thread guides, bring
threads down and pass one thread
between the back discs and the
other between the front discs, then
treat both thread as one until
threading each thread through each
needle eye of twin needle.
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