JUKI DLN-415 User manual

DLN-415 SPECIFICATIONS

Sewing

speed

.._...__.___._

Up to 5,000

s.p.m.

Stitch length . .

.._._______._.

O-4mm(5/32”)

Stitch adjuster

.._._._._._..._

Dial system

Reverse sewing

.._._...._._

Lever system

Needles

.._.__._.___._.__....

DB Xl (16x231)

#ll,

#14, #16, #la

Lubricating oil

.._.___.__.

New Defrix Oil No. 1

DLN-415 CONTENTS

Adjusting

the

pressure of the

pre5w foot ..............................................................................

The PrePser

foot

hand

liffer ......................................................................................................

Height of

the

feed dog

...............................................................................................................

The

stitch

length

........................................................................................................................

Adjusting the stitch

length

.........................................................................................................

Reverse sewing

...........................................................................................................................

Purhing

weswre

the

‘eed lever

.............................................................................................

inserting

the neel3e

.....................................................................................................................

l”$talling

and

removing

rhe sewing

hook .................................................................................

Relation txiween

the hOOk

and

the needle

...........................................................................

Adjusting

the height of the presser bar

....................................................................................

Adjusting the amount

tiw thread takeup ...........................................................................

DLN-415L INSTRVCTlCN BOOK .......................................................................................

,NOWl

Due

impro”ementr

0”

the

machine.

some

Dam

rtle

operational

procedures

this

lNSiRUCTlON

BOOK

might

changed

wittlaut

notice.

IINSTALLING THE OIL RESERVOIR

Operator side Hinge side

MOTOR PULLEY AND THE BELT

shown in the figure.

set

the reservoir in

such

a way

that

the 4

corners

the grow-

ed part of the table will be supporting the

reservoir.

Nail in the 2 rubber

cushionr

in front to

the protruding part

the table.

place

the oil

reservoir

on the protruding

part of the table.

,b,ade,

~Lt4-4,5

can

sew

at a high speed oi

5.000

r.p.m.

When connected directly

the

power

source.

use

a 3-phase 400 W

(l/2

HP) clutch mata.

Use a

type V-belt. The relation between

the number

rotation oi the machine with

the

dimenrion of the motor pulley is shown in

the table. (Effective diameter)

The effective diameter

the motor pulley

rnGk”S

the diameter

measured from the

center of the V-belt when the belt is wound

around the machine.

Cycle

No. of rotation

of machine

5.060

5.p.m.

4,630

5.p.m.

5,040

5.p.m.

4,540

5.p.m

Part

KO.

mOtol

pulley

MTK-P”120000

MTK-P0110000

MTK-P”,O”OOC

hlTK-P”090000

Effective diameter

motor

pulley

120mm

(4-9/W)

IlOmm (43/16”)

~lOOnlrn

(3.3/16”)

90mm

(3-T/16”)

-2-

CAUTIONS ON OPERATING THE MACHINE

Do not run the machine. under

anv

circumrtances, before the oil

reservoir

filled up

with fresh oil.

This machine can run with a

meed

“11

to 5.000

r.o.m.

but for the iirst month drop

the speed

about 4,500

r.p.m.

LUBRICATION

Before operating the machine

1. Fill up

Ihe

oil reservoir with IUK

New

~eirix

oil

~0.3

the mark “HIGH”.

2. Watch and see that the oil level doer not

below the “LOW” mark.

3. Under

normal

conditions, when the ma-

chine

run after

is filled up with oil, the

oil will spurt against the oil right window

(Caution)

1) When the oil

gets

dirty, change it with’new.

fresh oil. If the

oil

plug

the

veservob

removed, oil will come

out.

2) When the

mathine

is to be run for the first

time

when it

wan

idle for a great length

of time, run the machine at 3,000- 3,500

s.p.m.

for about

minutes and allow the

machine to

get

well-oiled.

-3-

1. Adjusting the oil supply to the face

Pad

When xliusting the oil supply to the thread

take-up and needle bar crank components,

remove the Iaw plate and the oil prevrnt-

ing plate and adjust by turning the oil ad-

justing pin at the tip of the main shaft.

When the

red

mark of the adjusting pin

comer near the crank. the oil amount gets

le5s.

2. When the red mark comes to the opposite

side

the crank, the oil amount gets more.

(Caution)

The oil amount doer not

thongs

immedi-

ately after the odiurtment, so when ad-

jurting, hove this

mind.

2. The oil adjusting pin

‘I. The oil adjusting pin has a carved groove

shown in the figure. When this groove

and the oii hole oi the main rhait come

rogcthpr, the oil amount gets more.

2. When the groove

at the opposite side of

the oil hole, the oil amount

gets

Ierr.

3. The red mark on the oil adjuster shows the

ride without the carved groove.

3. Adjusting the oil supply to the hook

components

The supply of oil to the hook components

cm be adjusted by the oil regulating valve an

the hook shaft.

this valve is turned toward

ride(right),

the oil amount gets more.

2. If this valve is turned to

side (left), the

amOunt geri

les

THREADING THE MACHINE

Rotate the hand wheel mright and place the thread take-up to the highest positiart.

Pass

the needle thread in the order shown by the iigure.

2. Pair ihe thread to the needle eye lrom

lcit

to righr.

3. Pull out about

70cm(4”)

of the thread from the needle eye.

PREPARATION OF THE BOBBIN THREAD

How to insert the bobbin

Hold the bobbin and inert it to the bobbin

case

that

Lhe

thread \vill be in right-hvist

condilion.

2. Pair the thread to the thread pasring hole

oi the bobbin case.

-6

THE THREAD TENSION

Adjusting the needle thread tension

Ideal stitches

are

iormcd

wlwn

the

needle

thread and the bobbin thread are

perfectly

interlocked at the center

the cloth.

The tension of the needle thread is adjusted

by the thread tension nut.

1. Turn it to right

make the tension stronger

and to the leit to make it we&r.

Thread take-up spring

* To change the moving range oi the thread

tenson spring:

1. Loosen the screw al

the

thread tension

bracket.

2. Rotate the thread tension bar.

* To

change

the strength oi the thread

take-

spring

1. Loosen the ret screw, remove the thread

tenrion bar

2. Loosen the thread tension bar set

screw

and adjust.

3. When the thread tension bar

turned

right, the spring will get stronger and ii

turned to

left,

Gil

xet

weaker.

Adjusting the bobbin thread tension

Rotate the thread tension screw ai lhe

bobbin case to adjust the bobbin thread

tensian.

Rotate if

right

make the bobbin thread

tension stronger and to left to make it

weaker.

-7-

PRESSER FOOT AND FED9

DOG

5 kg

(ll’lbr). -

if a pressure of

mare

than

kg(13.2

Ibs)

required, use the exchanging rpring in the

atcersory box

The presser foot hand lifter

To stop the prerser foot at the lifted po-

sition:

Rotate

the hand liiter in the

war

of the face

part either to right or left.

2. The presser foot will go up about 5 mm

(13/64”) and rtopi.

lower the presser foot, activate the knee

lifter

once

and the presw foot will cmne

down

the original position.

4. With the knee liiter, the prerrer foot

nilI

go up about

Wmm(25/64”)

Height of the feed dog

The height a, the feed dog from the surface

of the throat plate is set from 0.7.0.8mm. In

sewing

light weight materiali, if this height is

too

high, shrink-stitching may

result.

adjust the height of the feed dog:

Looseri the clamping

scre~v

of the

teed

driv-

ing fork of the compound feed.

>M~ave

the feed dog base up and dawn and

.tdjust.

3. After adjusting, tightly tighten the clamping

5crew.

cl.?-o.*mm

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