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Brother 884-B20/B21 Manual De Instrucciones página 4

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CONGRATULATIONS ON CHOOSING THIS OVERLOCK MACHINE
Your machine is a high quality, easy-to-use product. To fully enjoy all the features, we suggest that you study
this booklet.
If you need more information regarding the use of your machine, your nearest authorized dealer is always
happy to be of service. Enjoy yourself!
CAUTION
When threading or replacing needle, the main power and light switch of the machine must be switched off
and then the plug must be removed from the socket-outlet.
When the machine is not in use, it is recommended that the electric supply plug is disconnected from the
wall socket to avoid any possible hazards.
Notes on the motor
- The maximum operating speed of this sewing machine is 1,300 stitches per minute, which is quite fast
compared to the normal operating speed of 300 to 800 stitches per minute for the ordinary sewing machine.
- The bearings in the main motor are made of a special material (oil-impregnated alloy mounted in felt heat-
treated with oil) that enables them to withstand long hours of continuous operation.
- Continuous operation of the sewing machine can cause heat to build in the motor area, but not enough to
adversely affect its performance. It is important to keep fabric and paper away from the air openings on the
back, sides and bottom of the machine so air can get to these openings.
- When the main motor is running, sparks can be seen through the air openings in the cover on the same side
as the handwheel. These sparks are produced by the carbon brushes and the commutator, and are part of the
machines normal operation.
WARNING LABELS
The following warning labels are on the machine.
Be sure to observe the precautions described in the labels.
Caution (U.S.A. and CANADA only)
1
2
Face plate sticker (U.S.A. and CANADA only)
3
2
(for complying with UL and CSA requirements)
Label locations
(Inside the front cover)
(Inside the material plate cover)

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