Brother 342Fi User Manual
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INSTRUCTION MANUAL

BAS-341F

BAS-342F

Please read this manual before making using the machine.

Please keep this manual within easy reach for quick reference.

PROGRAMMABLE ELECTRONIC PATTERN SEWER

Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safety instructions below and the explanations given in the instruction manual.

With industrial sewing machines, it is normal to carry out work while positioned directly in front of moving parts such as the needle and thread take-uplever, and consequently there is always a danger of injury that can be caused by these parts. Follow the instructions from training personnel and instructors regarding safe and correct operation before operating the machine so that you will know how to use it correctly.

SAFETY INSTRUCTIONS

1 Safety indications and their meanings

This instruction manual and the indications and symbols that are used on the machine itself are provided in order to ensure safe operation of this machine and to prevent accidents and injury to yourself or other people. The meanings of these indications and symbols are given below.

Indications

D A N G E R The instructions which follow this term indicate situations where failure to follow the instructions will almost certainly result in death or severe injury.

The instructions which follow this term indicate situations where failure to follow the CAUTION instructions could cause injury when using the machine or physical damage to

equipment and surroundings.

Symbols

........................................This symbol ( ) indicates something that you should be careful of. The picture inside the triangle indicates the nature of the caution that must be taken.

(For example, the symbol at left means “beware of injury”.)

........................................This symbol (

) indicates something that you must not do.

........................................This symbol (

) indicates something that you must do. The picture

inside the circle indicates the nature of the thing that must be done.

(For example, the symbol at left means “you must make the ground connection”.)

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BAS-341F,342F

2 Notes on safety

DANGER

Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before opening the face plate of the control box. Touching areas where high voltages are present can result in severe injury.

CAUTION

Environmental requirements

Use the sewing machine in an area which is free from sources of strong electrical noise such as high-frequencywelders.

Sources of strong electrical noise may cause problems with correct operation.

Any fluctuations in the power supply voltage should be within 10% of the rated voltage for the machine.

Voltage fluctuations which are greater than this may cause problems with correct operation.

The power supply capacity should be greater than the requirements for the sewing machine’s electrical consumption.

Insufficient power supply capacity may cause problems with correct operation.

The pneumatic delivery capability should be greater than the requirements for the sewing machine's total air consumption.

Insufficient pneumatic delivery capability may cause problems with correct operation.

The ambient temperature should be within the

range of 5 to 35during use.

Temperatures which are lower or higher than this may cause problems with correct operation.

The relative humidity should be within the range of 45% to 85% during use, and no dew formation should occur in any devices.

Excessively dry or humid environments and dew formation may cause problems with correct operation.

Avoid exposure to direct sunlight during use. Exposure to direct sunlight may cause problems with correct operation.

In the event of an electrical storm, turn off the power and disconnect the power cord from the wall outlet.

Lightning may cause problems with correct operation.

Installation

Machine installation should only be carried out by a qualified technician.

Contact your Brother dealer or a qualified electrician for any electrical work that may need to be done.

The sewing machine weighs more than 200 kg. The installation should be carried out by two or more people.

Do not connect the power cord until installation is complete, otherwise the machine may operate if the foot switch is depressed by mistake, which could result in injury.

Hold the machine head with both hands by two or more people when tilting it back or returning it to its original position.

Furthermore, after tilting back the machine head, do not push the face plate side or the pulley side from above, as this could cause the machine head to topple over, which may result in personal injury or damage to the machine.

Be sure to connect the ground. If the ground connection is not secure, you run a high risk of receiving a serious electric shock, and problems with correct operation may also occur.

Install the belt cover and the frame side cover to the machine head and motor.

If using a work table which has casters, the casters should be secured in such a way so that they cannot move.

Be sure to wear protective goggles and gloves when handling the lubricating oil and grease, so that they do not get into your eyes or onto your skin, otherwise inflammation can result.

Furthermore, do not drink the oil or eat the grease under any circumstances, as they can cause vomiting and diarrhoea.

Keep the oil out of the reach of children.

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CAUTION

Sewing

This sewing machine should only be used by

If using a work table which has casters, the

operators who have received the necessary

casters should be secured in such a way so that

training in safe use beforehand.

they cannot move.

The sewing machine should not be used for any

Attach all safety devices before using the sewing

applications other than sewing.

machine. If the machine is used without these

Be sure to wear protective goggles when using the

devices attached, injury may result.

machine.

Do not touch any of the moving parts or press any

If goggles are not worn, there is the danger that if

objects against the machine while sewing, as this

a needle breaks, parts of the broken needle may

may result in personal injury or damage to the

enter your eyes and injury may result.

machine.

Set the needle to the needle up stop position

If an error occurs in machine operation, or if abnormal

before turning off the power.

noises or smells are noticed, immediately turn off the

If this is not done, the wiper may strike the needle,

power switch. Then contact your nearest Brother

which might cause the needle to break.

dealer or a qualified technician.

Turn off the power switch at the following times,

If the machine develops a problem, contact your

otherwise the machine may operate if the foot

nearest Brother dealer or a qualified technician.

switch is depressed by mistake, which could result

 

in injury.

 

• When replacing bobbin

 

• When not using the machine and when leaving

 

the machine unattended

 

 

 

Cleaning

 

Turn off the power switch before carrying out

Be sure to wear protective goggles and gloves

cleaning, otherwise the machine may operate if

when handling the lubricating oil and grease, so

the foot switch is depressed by mistake, which

that they do not get into your eyes or onto your

could result in injury.

skin, otherwise inflammation can result.

 

Furthermore, do not drink the oil or eat the grease

 

under any circumstances, as they can cause

 

vomiting and diarrhoea.

 

Keep the oil out of the reach of children.

Maintenance and inspection

Maintenance and inspection of the sewing

If the power switch and air need to be left on when

machine should only be carried out by a qualified

carrying out some adjustment, be extremely

technician.

careful to observe all safety precautions.

Ask your Brother dealer or a qualified electrician to

Hold the machine head with both hands by two or

carry out any maintenance and inspection of the

more people when tilting it back or returning it to its

electrical system.

original position.

Turn off the power switch and disconnect the

Furthermore, after tilting back the machine head,

power cord from the wall outlet at the following

do not push the face plate side or the pulley side

times, otherwise the machine may operate if the

from above, as this could cause the machine head

foot switch is depressed by mistake, which could

to topple over, which may result in personal injury

result in injury.

or damage to the machine.

• When carrying out inspection, adjustment and

Use only the proper replacement parts as

maintenance

specified by Brother.

• When replacing consumable parts such as the

 

rotary hook

If any safety devices have been removed, be

Disconnect the air hoses from the air supply and

absolutely sure to re-installthem to their original

positions and check that they operate correctly

wait for the needle on the pressure gauge to drop

before using the machine.

to “0” before carrying out inspection, adjustment

 

and repair of any parts which use the pneumatic

Any problems in machine operation which result

equipment.

from unauthorized modifications to the machine

will not be covered by the warranty.

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3 Warning labels

The following warning labels appear on the sewing machine.

Please follow the instructions on the labels at all times when using the machine. If the labels have been removed or are difficult to read, please contact your nearest Brother dealer.

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Safety devices

Eye guard

Finger guard

Thread take-upcover

Belt cover , etc.

3Be sure to connect the ground. If the ground connection is not secure, you run a high risk of receiving a serious electric shock, and problems with correct operation may also occur.

Thread take-upcover

Belt cover

Eye guard

Finger guard

1971S

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