White 734 - Preliminary Information; Parts Identification; Principle Parts Overview

SECTION
I
PRELIMINARY
INFORMATION
-4o
t
1
11
Fi.
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14
‘
L’
.1I
L___
1.
TakeUp
2.
Pressure
Control
3. Top
Thread Guides
4. Needle
Position/
Stitch
Width/Button
hole Control
5.
Stitch Pattern
Selection
Table
6.
Stitch
Pattern
Selec
tot
7. Stretch
Stitch
Control
8. Bobbin
Winder
9.
Hand
Wheel
10.
Stitch
Length
Control
11. Reverse
Button
12.
Feed
Dog
Height
Control
13.
Needle Plate
14.
Presser
Foot
15.
Feed Dog
16.
Access
Cover
17.
Thumb Screw
18.
Needle Clamp
19.
Check Spring
20. Tension
Dial
21. Face
Plate
22.
Spool
Pins
23,
Bobbin Winder
Tension
Disc
24,
Light
Switch
25.
Presser
Foot Lever
26.
Thread Cutter
27.
Extension
Plate
28.
Clutch-nut
Always at its
highest
position
when
beginning or
ending sewing.
For regulating
the
pressure
on fabric.
For leading
thread
to
tension
control
for sewing.
For
selecting needle
position,
setting stitch
width and button
hole
steps.
Fo(’reference
of selected
stitch
pattern.
For
selecting
the
stitch
pattern.
For
changing
ordinary
stitch
to triple
reinforced
stitch
(stretch
stitch).
For
winding
thread
on bobbin.
For the control
of the
up and down
movement
of
the needle.
For selecting
stitch
length
between
no feeding
and
about
8
stitches per
inch.
For easy
backtacking
to lock
thread
ends
by
pushing
the
button.
For regulating
feed dog
height
for
various
materials
and
types
of
sewing.
With guide
lines for
sewing accuracy.
For
holding fabric
when
sewing.
Diamond
point
to
move
fabric accurately.
For
opening
an access to bobbin
and
bobbin case.
For
tightening presser
foot
in place
on presser
bar.
For
holding
needle in
place in the
slot of
needle bar.
For
automatic
precise
flow of
upper thread.
For regulating
the
amount
of tension
on upper
thread.
Hinge
type for
replacement
of
light
bulb and
oiling.
For holding
spools,
preventing
over
-spin of
spools.
For
providing
proper tension
on thread when
bobbin
winding.
For
turning
on or
off
the
light
inside
face cover.
For lifting or
lowering presser
bar
and
presser
foot.
For
cutting both
upper
and
lower
threads
after
sewing.
For
changing
to
flat
sewing surface.
For stopping
movement
of the needle
bar
in order to
wind
bobbin.
PARTS
IDENTIFICATION
PRINCIPLE
PARTS
FRONT
VIEW
5