DLN-415
BE4150S0B0B
MODEL
DLN-415
HIGH
SPEED, SINGLE NEEDLE,
LOCKSTITCH
NEEDLE
FEED
INDUSTRIAL
SEWING
MACHINE
Instruction
Book
OLN'A1S
CiiE=>
TOKYO
JOKI
INDUSTRIAL
C0..1TD
DLN-415
SPECIFICATIONS
Sewing
speed Upto 5,000 s.p.m.
(DLN-415L
3,000 s.p.m.)
Stitch length
04mm
{5/32")
(DLN415L
0~6mm
(15/64"))
Stitch adjuster Dial system
Reverse sewing Lever system
Needles DBx
1(16
x 231)
#11,
#14,
#16,
#18
(DLN
415L
DB x 1
#22)
Lubricating oil New Defrix Oil No. 1
DLN-415
CONTENTS
Page
Installing
the
oil
reservoir
2
Motor
pulley
and
the
belt
2
Cautions
on
operating
the
machine
3
Lubrication
3
1.
Adjusting
the
oil
supply
to
the
face
part
4
2.
The
oil adjusting pin 4
3.
Adjusting
the
oil
supply
to
the
hook
components
4
Threading
the
machine
5
Preparation
of
the
bobbin
thread
6
1. Inserting &
removing
the
bobbin
case
6
2.
Winding
the
bobbin
thread
6
3.
How
to
insert
the
bobbin
6
The
thread
tension
7
Adjusting
the
needle
thread
tension
7
Thread
take-up
spring
7
Adjusting
the
bobbin
thread
.tension
7
Presser
foot
and
feed
dog
8
Adjusting
the
pressure
of
the
presser
foot
8
The
presser
foot
hand
lifter
8
Height
of
the
feed
dog
.'. ; 8
The
stitch
length
•.
9
Adjusting
the
stitch
length
9
Reverse
sewing
9
Pushing
pressure
of
the
feed
lever
9
Inserting
the
needle
10
Installing
and
removing
the
sewing
hook
10
Relation
between
the
hook
and
the
needle
11
Adjusting
the
height
of
the
presser
bar
12
Adjusting
the
amount
of
the
thread
take-up
12
DLN-415-L
INSTRUCTION
BOOK
13
(Note) Due
to
improvements
on
the
machine,
some
parts of
the
operational
procedures
of
this
INSTRUCTION
BOOK
might
be
changed
without
notice.
INSTALLING
THE
OIL
RESERVOIR
Rubber
cushion
I 1
Oil
reservoir
1_
Operator
side
Hinge side
As shown in the figure, set the reservoir in
such a way so that the 4 corners of
the
groov
ed part of the table will be supporting the
reservoir.
1. Nail in
the
2
rubber
cushions
in
front
to
the protruding part of the table.
2. Place the oil reservoir on the protruding
part of the table.
MOTOR
PULLEY
AND
THE
BELT
Motor
pullev
Model
DLN-415
can
sew
at
a
high
speed
of
up
to
5,000
s.p.m.
(DLN-415L
3,000
s.p.m.).
When
connected
directly
to
the
power
source,
use
a
3-phase
400
W (1
/2
HP)
clutch
motor.
Use a M
type
V-belt.
The
relation
between
the
number
of
rotation
of
the
machine
with
the
dimension
of
the
motor
pulley
is
shown
in
the
table.
(Effective
diameter)
•
The
effective
diameter
of
the
motor
pulley
mrans
the
diameter
as
measured
from
the
center
of
the
V-belt
when
the
belt
is
wound
around
the
machine.
Model
Hertz
No.
of
rotation
of
machine
Part
No.
of
motor
pulley
Effective
dian^ieter
of
motor
pulley
DLN-415
50
5,060
s.p.m.
MTK-PV120000
120mm
(4-9/16")
4,630
s.p.m.
MTK-P0110000
110mm
(4-3/16")
60
5,040
s.p.m.
MTK-PV100000
100mm
(3-3/16")
4,540
s.p.m.
MTK-PV090000
90mm
(3-7/16")
DLN-415L
50
2,950
s.p.m.
MTK-P0070000
70mm
(2-3/4")
60
3,030
s.p.m.
MTK-P0060000
60mm
(2-23/64")
- 2 -
CAUTIONS
ON
OPERATING
THE
MACHINE
® Do not run the
machine,
under any
circumstances,
before the oil
reservoir
is
filled
up
with
fresh
oil.
® Always rotate the machine toward the operator. Do not run the machine in the re
verse
direction.
® This machine can run with a speed of up to 5,000 s.p.m. but for the first month drop
the speed to
about
4,500 s.p.m. (DLN-415L 2,500 s.p.m.)
LUBRICATION
Before
operating
the
machine
1.
Fill
up the oil reservoir with
JUKI
New
Defrix
Oil No.1 up to the mark
"HIGH".
2.
Watch
and
see
that
the
oil level
does
not
go below the
"LOW"
mark.
HIGH
mark
Oil
reservoir
LOW
mark
Oil sight window
0
OLM-4-15]
3.
Under
normal
conditions,
when
the
ma
chine is run after it Is filled up with oil, the
oil
will
spurt
against
the oil sight
window.
(Caution)
1) When the oilgets
dirty,
change
itwith
"new,
fresh oil. Ifthe oil plug of the reservoir is
removed,
oil will
come
out
2)
When
the
machine
isto be
pun
for
the
first
time or when it was idle for a great length
of time, run the
macFiirie
at
3>000-3,500
S4).m.
for
abouttO
minutes
and
allow
the
machine to get wtfH-oUed.
— 3 —
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