CONTENTS
1
.
B E F O R E
O P E R AT I O N
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
2 2
2
.
OPERATION
PRECAUTIONS
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
22
3
.
CHIEF
TECHNICAL
SPECIFICATIONS
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
22
4
.
INSTALLATION
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
23
5
.
LUBRICATION
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
23
6
.
ADJUSTING
THE
AMOUNT
OF
OIL
(
OIL
SPLASHES
)
IN
THE
HOOK
┈┈┈┈┈┈┈┈┈┈┈
24
7
.
ATTACHING
THE
NEEDLE
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
25
8
.
SETING
THE
BOBBIN
INTO
THE
BOBBIN
CASE
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
25
9
.
THREADING
THE
MACHINE
HEAD
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
25
10
.
WINDING
THE
BOBBIN
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
26
11
.
ADJUSTING
THE
STITCH
LENGTH
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
26
12
.
INSTALLING
THE
THREAD
STAND
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
26
13
.
1
REPLACE
THE
COUNTER
KNIFE
AND
MOVING
KNIFE
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
27
13
.
2
ADJUSTING
THE
THREAD
TRIMMING
EQUIPMENT
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
27
14
.
ADJUSTING
THE
HEIGHT
OF
THE
KNEE
LIFTER
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
28
15
.
PEDAL
OPERATION
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
29
16
.
THREAD
TENSION
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
29
17
.
THREAD
TAKE
-
UP
SPRING
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
30
18
.
HAND
LIFTER
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
30
19
.
PRESSER
FOOT
PRESSURE
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
30
20
.
ADJUSTING
THE
FEED
TIMING
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
31
21
.
TILT
THE
FEED
DOG
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
31
22
.
HEIGHT
OF
THE
FEED
DOG
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
31
23
.
NEEDLE
-
TO
-
HOOK
RELATIONSHIP
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
32
24
.
ADJUSTING
THE
HEIGHT
OF
THE
PRESSER
BAR
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
32
25
.
COUNTER
KNIFE
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
33
26
.
ADJUSTING
THE
NEEDLE
STOP
POSITION
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
33
2 7
.
P E D A L
P R E S S U R E
A N D
P E D A L
S T R O K E
┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈ ┈
3 4
28
.
ADJUSTMENT
OF
THE
PEDAL
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
34
29
.
AUTOMATIC
PRESSER
FOOT
LIFTER
COMPONENTS
┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
34
6
21