HIGHLEAD HLK-3020 Instruction Manual

HLK-3020 （TH）

ELECTRONIC PATTERN SEWING MACHINE

Instruction Manual

Parts Catalog

HANGHAI BIAOZHUN HAILING SEWING MACHINERY CO., LTD

CONTENTS

FOR YOUR SAFETY………………………………………………………………1

USE OF THE ENVIRONMENT……………………………………………………2

1. STRUCTURE OF HLK-3020(TH) SEWING MACHINE……………………3

2. SPECIFICATION………………………………………………………………3

3. INSTALLATION…………………………………………………………………4

3-1.Installation of the control box…………………………………………………4

3-2.Installation of the power switch………………………………………………4

3-3.Connection of the foot switch…………………………………………………5

3-4.Installation of the sewing machine head………………………………………5

3-5.Connection of electric cables…………………………………………………6

3-6.Installation of spool stand………………………………………………………7

4. OILING…………………………………………………………………………8

5. PROPER OPERATION…………………………………………………………8

5-1.Installation of the needle………………………………………………………8

5-2.Threading the upper thread……………………………………………………8

5-3.Winding the bobbin thread……………………………………………………9

6. PROPER SEWING……………………………………………………………10

6-1.Operation of the emergency switch…………………………………………10

6-2.The sewing operation…………………………………………………………10

6-3.Adjustment of the thread tension……………………………………………11

6-4.Removing and inserting the bobbin…………………………………………11

7. ADJUSTMENT OF SEWING MACHINE……………………………………11

7-1.Adjusting of needle bar height………………………………………………12

7-2.Adjusting of distance between needle and shuttle hook point……………12

7-3.Adjustment of the clearance between the hook driver and the needle……12

7-4.Adjustment of the presser foot………………………………………………13

7-5.Adjustment of the mechanical home position………………………………14

7-6.Adjustment of x and y timing belt tension…………………………………15

8. MAINTENANCE………………………………………………………………15

8-1.Daily maintenance……………………………………………………………15

8-2.Drain of waste oil………………………………………………………………15

PARTS CATALOG………………………………………………………………16

— 1 —

This technical manual explains the instructions how to operate and maintain the sewing

machine．All information in this technical Manual are subject to change without notice．

Shanghai Biaozhun Hailing Sewing Machinery Corp. has all the copyrights on this

technical manual．

Reprinting the parts or all of this technical manual is not allowed without permission．

FOR YOUR SAFETY!

If you operate the sewing machine first time，please make sure to read the following

instructions for your safety and proper operation．

In this technical manual。the notice CAUTION is mentioned at some paragraph to attract your attention

for the safety．Please keep it in mind whenever you work with the sewing machine．

CAUTION is used as the notice to warn a possible danger to cause a wound

Explanations for the warning signs

NO Warning sign Meanings of warning sign

Caution for sewing machine operation：

Warning to operate the sewing machine

without safety guards and to prohibit doing

any operation except sewing while the

power is turned on．

·Do not operate without finger guard，eye

guard，belt cover and other safety devices．

·Before threading，changing needle and

bobbin clearing，oiling etc．switch off main

ower switch．

Caution for a wound on the fingers：

Warning to a possible danger to cause a

wound on the fingers under the specified

operation．

Caution for the fingers：

Warning to a possible danger to be caught

the fingers in the machine under the

specified operation．

— 2 —

USE OFTHE ENVIRONMENT

1. Temperature and humidity

During operating：

The atmosphere temperature should not exceeded more 350℃(95°F) or less 5°C(41°F)．

During transportation：

The atmosphere temperature should not exceeded more 55°C(131°F) or less -10°C(18°F).

The relative humidity in the atmosphere should not exceeded more 85％or less 45％．

2. Atmosphere for the machine operation

In the atmosphere filled with dust or corrosive gas．

In the atmosphere filled with flammable or explosive gas．

3. Power source voltage

In the place where the power fluctuation exceeds more or less 10％of the fixed power voltage．

In the place where the power source cannot supply enough voltage to keep the motor running．

4. Power source voltage

In the place where the power fluctuation exceeds more or less 10％of the fixed power voltage．

In the place where the power source cannot supply enough voltage to keep the motor running．

5. Noise

In the place near a high frequency transmitter or a high frequency welder．

In the place filled with strong electromagnetic radiation or magnetic field．

Caution

★ For avoiding the sewing machine from the troubles，please do not operate the sewing

machine under the following conditions．

— 3 —

1. STRUCTURE OF HLK-3020(TH) SEWING MACHINE

2. SPECIFICATION

Sewing area：X-Direction(left／right) 300mm

Y-Direction(forward／backward) 200mm

Maximum sewing speed：800 rpm

Sewing speed：variable from 100 to 800 rpm

Stitch length：0.1 to 12.7mm

Stitch type：Single needle lock stitch

— 4 —

Needle bar stroke ：56mm

Thread take up lever stroke：96mm

Class of needle：DY×3 26# (the standard specification)

Presser foot lift：20 mm

Presser foot alternation：Variable from 4mm to 10mm

Work holder lift：30mm

Hook：Large size shuttle hook

Lubrication system: Manual oiling and replenishment with the oil wicks from the oil tanks

Lubrication oil：SF sewing machine oil

X—Y drive system：Stepping motor, timing belt and linear guide rail drive

Intermittent or continuous feeding

Machine dimension：1,200mm (W) × 1,100mm (L) × 1,300mm (H)

NetWeight: 130kgs

Main motor: 750W

3. INSTALLATION

Caution

★ The machine should be installed by the specialists who have enough experience for the sewing

machine installations．

★ All the necessary electric wiring should be done by electric engineers who are qualified for electric

wiring．

★ If any damage or fault is found on the machine at the installation，please do not operate until it be

repaired．

★ Please do not operate the sewing machine with excessive modifications from the standard

specification.

3-1.Installation of the control box

If the control box is purchased without

assembling to the table, the control box

has to be installed underneath the table.

Please install the control box with the

instruction in the paragraph.

3-2.Installation of the power switch

If the power switch is purchased

without assembling to the table，the

power switch has to be attached with

the following procedure．

— 5 —

(1) Mount the power switch①with the wood

screw②underneath the table as shown on

the figure．

(2) Fix the electric cords with the staples③

underneath the table．

(3) Connect the plug⑧of the power switch①

to the control box⑦．

(4) Attach the power plug⑤to another end of

the power switch cord④．

3-3.Connection of the foot switch

Connect the foot switch⑥to the relevant socket (the middle socket) on control box⑦.The foot switch is

enclosed in the accessory box.

3-4.Installation of the sewing machine head

Caution

★ For the safety，lift and move the sewing machine heads with powerful lifting equipment under monitor of

more than two people.

(1) Install the stand and put tabletop①on it.

(2) Take out the support blocks③from accessory box and place them on the transoms of stand.

(3) Put the sewing machine head⑧

into the cut-out of machine head

and make sure the four feet of

machine heads are seating on

the support blocks.

(4) Set machine head onto stand

with Allen screws⑤, and

washers from accessory box as

following figure shows.

(5) Adjust the Allen screws②to

raise the table top up onto the

bottom of big slide plate⑨of

machine head. Connect the

tabletop and stand with bolts⑦.

(6) Install oil pan ③on the

transoms of stand with screws

④.

— 6 —

3-5.Connection of electric cables

（1）Connection diagram

（2）Back of control box and sockets diagram.

SOCKET NAME FOR CONNECTING TO

X4 Spindle motor power

X5 Spindle motor signal

X6 RS-232C(Optional)

X7 Operation panel

X8 Foot switch pedal

X9 Solenoid output

X10 RS-232C(Optional)

X11 Control signal 1

X12 Extension I/0

X13 Control signal 2

X14 Y stepping motor

X15 X Stepping motor

G Ground wire

— 7 —

（3）Circuit board diagram.

3-6.Installation of spool stand

（1）Assemble the stand parts (packed in accessory box) as following figure shows.

（2）Fit spool stand ①into the hole on the upper right corner of table top.

（3）Fix the thread stand①firmly from the rear side of the table by tightening the nut○4 and the washers②, ③．

Control signal

1 ，X11

Control signal

2 ，X9

Thread wiper

solenoid

Inner foot

solenoid

Thread release

solenoid

X shaft

detecto

Y Shaft

detecto

Emergency

switch

Pneumatic

inner foot Pneumatic

presser frame Trimmer

solenoid

Presser frame

solenoid

— 8 —

★ Turn of power witch before oiling。

★ Oil the machine sufficiently before first operation of a brand new machine or after long time stop.

★Please

e sure to turn the

ower switch OFF before threadin

the u

er thread．

4．OILING

NOTE : Please use high quality white

SF machining oil:

Pour some oil into red marked

oil holes as the figure on the right

shows．

5 . PROPER OPERATION

5-1.Installation of the needle

Caution

★Please be sure to turn the power switch OFF before installing or replacing the needle．

★Please pay attention for the fingers not to be wounded by the needlepoint．

(1) Loosen the needle set screw①and then

insert a new needle②till the needle

head reach the end of the hole of the

needle bar③．

(2) Make the needle groove④face to the

front and fasten the setting screw①then.

5-2.Threading the upper thread

CAUTION

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