Mitsubishi Electric PLK-G3040R Bedienungsanleitung

INDUSTRIAL SEWING MACHINE

MODEL

PLK-G3040R

TECHNICAL MANUAL

SEWING MACHINE HEAD BASIC

A180E688P02

FOR SAFE USE

Before the installation, operation, and inspection for this product, read the “FOR SAFE USE” and the

technical manuals carefully. Also read the other technical manuals, “Control Unit” and “Operation Panel”

describing some instructions, which are not in this manual, and use the sewing machine properly.

SAFETY INDICATIONS

DANGER

Indicates that incorrect handling may cause hazardous conditions, resulting

in death or severe injury.

CAUTION

Indicates that incorrect handling may cause hazardous conditions, resulting

in medium or slight personal injury or physical damage. Note that CAUTION

level may lead to a serious consequence according to the circumstances.

Always follow the instructions of both levels because they are important to

personal safety.

CAUTION INDICATIONS

No.

Caution indication Description

Precaution for sewing machine operation:

Indicates that removing the safety and operating

the sewing

machine for some other purposes with power-on are prohibited.

Please do not operate the sewing machine without

protective equipment such as a needle guard, an eye guard,

a belt cover or the others.

Please turn off the power switch when threading, changing

a needle and a bobbin, cleaning, and lubricating.

Caution for fingers injury:

Indicates a possibility of fingers (hands) injury in a certain

condition.

Caution for squeezing fingers:

Indicates a possibility of squeezing fingers in a certain condition.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

SAFETY PRECAUTIONS

DANGER

To prevent from receiving an electric shock, always turn off a power switch and unplug power supply

when opening a control box, and then open after ten minutes passes.

CAUTION

USAGE ENVIRONMENT

Please do not operate the sewing machine under the following conditions.

(1) In the ambient temperature of 35 degrees (95°F) or more than 35 degrees, or the ambient

temperature of 5 degrees or less than 5 degrees (41°F).

(2) In the ambient temperature of 55 degrees (131°F) or more than 55 degrees, or the ambient

temperature of -10 degrees or less than -10 degrees (18°F) during transportation.

(3) In the relative humidity exceeding 85% or less than 45%.

(4) In the open-air place or the location that receives direct sunlight.

(5) In the place near heat sources such as heating devices.

(6) In the atmosphere filled with dust, explosive gas, or corrosive gas.

(7)

In the place where the fluctuation in the power voltage of 10% or more than 10%, or the power

voltage of -10% or less than -10% of the fixed power voltage.

(8) In the place where the power source cannot supply enough voltage to keep the motor running.

(9) In the place filled with strong electric noises such as high-frequency welders.

INSTALLATION

(1)

Please have some specialists, who have enough experience for the sewing machine installations,

install the sewing machine.

(2) Please have a qualified electrician perform necessary electric wiring.

(3)

Please do not operate until the sewing machine is repaired when any damage or fault is found on

the sewing machine at the installation.

(4) Please do not refurbish the sewing machine.

(5)

The sewing machine is heavy. For the safety, please make sure to install the sewing machine head

by more than one person.

(6)

Please make sure to fit the safety protective equipment (the motor cover or the others) and the

accessory protective equipment (the eye guard) that removed temporarily for installation.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

SEWING

(1) Please make sure to turn the power switch off before installing or replacing needles.

(2) Please pay attention for the fingers not to be injured by the needle point.

(3) Please make sure to turn power switch off before lubricating.

(4) Please pay attention that oil does not get on your skin or in your eyes as it

may cause an

inflammation.

(5) Please make sure to keep oil out of the reach of children who may drink oil by mistake.

(6) Please make sure to turn the power switch off before threading a needle.

(7) Before starting the sewing, please make sure the position and the function of the halt switch.

(8) Please do not touch the operating parts during sewing operation.

(9) It is very dangerous to operate the sewing machine without safety guards (eye guards, motor

covers, link covers, finger guards or the others).

Please make sure to operate the sewing machine with safety guards.

(10) Please make sure to turn the power switch off when stopping the sewing machine temporarily.

ADJUSTMENT

(1) Please make sure to turn the power switch off before adjusting the sewing machine.

(2) If the adjustment is required while the power switch on, do not step on the foot switch by mistake.

(3) Please be careful not to be injured by a sharp part such as the needle and the shuttle hook point.

(4) Please make sure to put the safety guards (eye guards, motor covers

, link covers, and finger

guards or the others) back on the initial position after the sewing machine adjustment.

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

CONTENTS

1. STRUCTURE OF THE SEWING MACHINE··································· 1

2. INSTALLATION······································································· 2

2-1.

Securing the Sewing Machine Table

························································

2-2. Connection of the air tube·····································································

2-3. Installation of the foot switch, and connection of the control cables················

2-4. Installation of the thread stand································································

3. LUBRICATION········································································ 5

3-1. Oiling

································································································

3-2. Filling the oil tank················································································· 5

4.INITIAL SETTING OF THE CONTROL BOX··································· 5

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

1. STRUCTURE OF THE SEWING MACHINE

PLK-G3040R electronic pattern sewing machine consists of the following main parts.

Start foot switch

Work holder

foot switch

Pneumatic control unit

Presser plate

Feed plate

Adjuster

Wheel

･

Y table

cover

Main unit

frame

Table

Thread tension

regulator

Work holding

device

Control box

Operation panel

Presser foot

Cotton stand

Detector

Manual pulley

Bobbin winder

Halt switch

Presser foot

regulating screw

Power switch

- 1 -

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

2. INSTALLATION

CAUTION

(1)

Please have some specialists, who have enough experience for the sewing machine installations,

install the sewing machine.

(2) Please have a Qualified Electrician perform necessary electric wiring.

(3)

Please do not operate until the sewing machine is repaired when any damage or fault is found on the

sewing machine at the installation.

(4) Please do not refurbish the sewing machine.

2-1. Securing the Sewing Machine Table

(1) Install the table at a rigid and flat floor to

avoid the chatter.

(2) When the table was placed in position, lift a

little wheels using the adjuster provided at

the bottom of table and fix the table. After

the fixing, lock it in position with hex nuts

attached to the adjusters. (see the right fig.)

(3) When the sling hooks at 4 corners of table is

obstructing the work, remove and keep for

the future use.

Adjusters

Hex nuts

Wheels

- 2 -

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

2-2. Connection of Air Tube

(1) Connect the attached tube between the joint E of air pressure control unit (see the lower fig.) and

the compressor.

(2) Turn the residual pressure exhaust valve lever to right.

Compressed air is fed from IN to OUT and supplied to the air

cylinder through a solenoid valve. Be careful because this

operation starts synchronously all units driven via the air

cylinder. By the way, the residual pressure exhaust valve is

installed for the safety at the inspection or repair and it

releases compressed air from the pipe and prevents

unexpected operation of air cylinder. If the residual pressure

exhaust valve lever is turned to this side (position indicated

with broken line in the right fig.), valve at IN side closes and,

synchronously with the compressed air supply interruption,

compressed air in the air cylinder is reversed from OUT to

EXH and released to the atmosphere.

(3) Set the air pressure of main circuit at 0.4 MPa with the filter regulator A. Set the pressure to the

slider air circuit at 0.2±0.05 MPa with the regulator B.

[Notice] Since the pressure of slider air circuit (regulator B) is related to the stitching tension, do not

adjust it below 0.15 MPa or beyond 0.25 MPa.

(4) Confirm that the operating pressure of pressure switch is set at 0.3 MPa. If it is not correct, turn the

operating pressure adjust screw with a flat head screwdriver and set the needle at 0.3 MPa. This

value is the pressure drop detecting pressure.

EXH

OUT

Exhaust position

Pressure switch

Operating presser

adjust screw

Indicator 0.3 MPa

Regulator B

Accessory tube

Filter・regulatorA

Joint E Residual pressure release valve

- 3 -

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

2-3. Installation of the foot switch, and connection of the control cables

Connect the foot switch to the connector CON H. The foot switch is enclosed in the accessory box.

Control cable to connect to already be connected as shown on the figure below.

2-4. Installation of the thread stand

(1) Assemble the parts (No.1 to No.11 , and No.15) of the thread stand as shown on the figure.

(2) Fit the thread stand into the hole at the far right on the table stand with the nut (No.13) , the washer

(No.12) and the collar (No.14).

CON A: Operation panel

CON B: Power supply

CON C: Various solenoid DC power

CON D: Spindle motor

CON E: Various solenoid

CON F1: Detector

CON F2: Spindle encoder

CON G: X-Y spindle encoder

CON H: Foot switch

CON J: X-Y spindle stepping motor

CON B

CON C

CON D

CON G

CON J

CON A

CON E

CON F1

CON F2

CON H

<1>: Upper column pipe

<2>: Lower column pipe

<3>: Spool stand base (two stand bases)

<4>: Spool mat (two mats)

<5>: Spool holder (two holders)

<6>: Spool shaft (two shafts)

<7>: Spring washer (two washers)

<8>: Nut (four nuts)

<9>: Thread hunger

<10>: Spool holder

<11>: Column joint

<12>: Washer

<13>: Nut

<14>: Collar

<15>: Thread tension guide

<1>

<12>

<3>

<4>

<6>

<7>

<8>

<9>

<2>

<10>

<11>

<5>

<13>

<14>

<15>

- 4 -

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

3. LUBRICATION

CAUTION

(1) Please make sure to turn power switch off before lubricating.

(2) Please pay attention that oil does not get on your skin or in your eyes as it may cause an inflammation.

(3) Please make sure to keep oil out of the reach of children who may drink oil by mistake.

(4) Please make sure to lubricate when operati

ng for the first time after the installation.Also, please make

sure to check the amount of oil when the machine has not been used for a long time.

[Notice] Please use a pulley oil SF oil.

3-1. Oiling

Before proceeding with operation, be sure to lubricate, as necessary, parts A to K indicated by the

arrows in the figure.

3-2. Filling the oil tank

Draw out the oil gauge at top face of machine

bed, supply oil up to the depth k. Insufficient oil

reservation may induce the burning due to

interrupted oil supply to the hook, each section of

bed. Make sure to check the indication on the oil

gauge so as to replenish oil timely.

4. INITIAL SETTING OF THE CONTROL BOX

When using the sewing machine for the first time, the model and the language of the sewing machine in

use have to be set.

Refer to the instructions in the paragraph “[6] Initial Setting of System (Model/language Setting)” in the

CONTROL UNIT technical manual.

Machine bed

Needle plate

Machine bed

Needle plate

Slide plate

(right)

Oil gauge

- 5 -

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

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