Adler 251-140040 Operating Instruction

IMPORTANT SAFETY INSTRUCTIONS

Putting sewing systems into operation is prohibited until it has been ascertained that the sewing systems in
which these sewing machines will be built into, have confirmed with the safety regulations in your country.
Technical service for those sewing systems is also prohibited.

1. Observe the basic safety measures, including, but not limited to the following ones, whenever you use
the machine.

2. Read all the instructions, including, but not limited to this Instruction Manual before you use the
machine. In addition, keep this Instruction Manual so that you may read it at anytime when necessary.

3. Use the machine after it has been ascertained that it conforms with safety rules/standards valid in your

country,

4. All safety devices must be in position when the machine is ready for work or in operation.

The operation without the specified safety devices is not allowed.

5. This machine shall be operated by appropriately-trained operators.

6. For your personal protection, we recommend that you wear safety glasses.

7. For the following, turn off the power switch or disconnect the power plug of the machine from the

receptacle.
7-1 For threading needle(s), looper, spreader etc. and replacing bobbin.
7-2 For replacing part(s) of needle, presser foot, throat plate, looper, spreader, feed dog. needle guard,

folder, cloth guide etc.
7-3 For repair work.
7-4 When leaving the working place or when the working place is unattended.

When using clutch motors without applying brake, it has to be waited until the motor stopped totally.

7-5

8. If you should allow oil, grease, etc. used with the machine and devices to come in contact with your
eyes or skin or swallow any of such liquid by mistake, immediately wash the contacted areas and
consult a medical doctor.

9. Tampering with the live parts and devices, regardless of whether the machine is powered, is prohibited.

10. Repair, remodeling and adjustment works must only be done by appropriately trained technicians or
specially killed personnel. Only spare parts designated by Duerkopp Adler Manufacturing (Shanghai)

Co.,Ltd.can be used for repairs.

11. General maintenance and inspection works have to be done by appropriately trained personnel.

12. Repair and maintenance works of electrical components shall be conducted by qualified electric
technicians or under the audit and guidance of special skilled personnel.
Whenever you find a failure of any electrical components, immediately stop the machine.

13. Before making repair and maintenance works on the machine equipped with pneumatic arts such as

of

p
an air cylinder, the air compressor has to be detached from the machine and the compressed air supply
has to be cut off. Existing residual air pressure after disconnecting the air compressor from the
machine has to be expelled.
Exceptions to this are only adjustments and performance checks done by appropriately trained
technicians or special skilled personnel.

14. Periodically clean the machine throughout the period of use.

15. Grounding the machine is always necessary for the normal operation of the machine. The machine has
to be operated in an environment that free from strong noise sources such as high-frequency welder.

is

16. An appropriate power plug has to be attached to the machine by electric technicians. Power plug has to
be connected to a grounded receptacle.

17. The machine is only allowed to be used for the purpose intended. Other used are not allowed.

18. Remodel or modify the machine in accordance with the safety rules/standards while taking all the effective safety
measures. We assume no responsibility for damage caused by remodeling or modification of the machine.

19. Warning hints are marked with the two shown symbols

Danger of injury to operator or service staff

Items requiring special attention

I

FOR SAFE OPERATION

1.Don't put your hand under the needle when you turn "on" the power switch or operate
the machine.

2.Don't put your hand into the thread take-up cover while the machine is running.

3.Turn the power switch before tilting the machine head or removing the belt cover

4.Never bring your fingers, hair or clothing close to, or place anything on the handwheel,

5.If your machine is provided with a belt cover, finger guard and safety plate, never

6.The hook rotates at a high speed while the machine is in operation. To prevent possible

7.When tilting the machine head, exercise care not to allow your fingers etc. to be caught

8.Do not wipe the surface of the machine head with lacquer thinner.

9.Never operate the machine unless its oil pan has been filled with oil.

10.Don't use a motor pulley of a larger outside diameter than the standard outside diameter

OFF

and the V belt.

V-belt, bobbin winder wheel or motor during operation.

operate your machine with any of them removed.

injury to hands, be sure to keep your hands away from the vicinity of the hook during
operation. In addition, be sure to turn the power to the machine when replacing
the bobbin.

under the machine head.

for the first onemonth.

OFF

11. Confirm that the voltage and phase (single- or 3-phase) are correct by checking them
against the ratings shown on the motor nameplate.

12,In case of maintenance, inspection, or repair, be sure to turn the power switch

and confirm that the sewing machine and the motor have completely stopped before
starting the work. (In case of the clutch motor, it continues rotating for a while by the
inertia even after turning the power switch. So, be careful.)

OFF

CAUTION BEFORE OPERATION

WARNING:

To avoid malfunction and damage of the machine, confirm the following.

Clean the sewing machine thoroughly before using it for the first time.
Remove all dust collected on the sewing machine during the transportation.
Confirm that the voltage and phase are correct.
Confirm that the power plug is properly connected.
Never use the sewing machine in the state where the voltage type is different from the
designated one.
The direction of rotation of the sewing machine is counterclockwise as observed from
the handwheel side. Be careful not to rotate it in reverse direction.

OFF

II