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Brother S-7100A Basic Operation Manual page 4

Single needle straight lock stitcher with thread trimmer
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[2] Notes on safety
Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet
before opening the cover of the control box. Touching areas where high voltages are present can result in severe
injury.
Do not allow any liquids to get onto this sewing machine, otherwise fire, electric shocks or operating problems may
occur.
If any liquid gets inside the sewing machine (machine head or control box), immediately turn off the power and
disconnect the power plug from the electrical outlet, and then contact the place of purchase or a qualified
technician.
Use the sewing machine in an area which is free
from sources of strong electrical noise such as
electrical line noise or static electric noise.
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 power
consumption.
Insufficient power supply capacity may cause
problems with correct operation.
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 approximately 32 kg
(70lb). The installation should be carried out by
two or more people.
Do not connect the power cord until installation is
complete. The machine may operate if the treadle
is depressed by mistake, which could result in
injury.
Turn off the power switch before inserting or
removing the plug, otherwise damage to the
control box could result.
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.
When securing the cords, do not bend the cords
excessively or fasten them too hard with staples,
otherwise there is the danger that fire or electric
shocks could occur.
ii
DANGER
WARNING
CAUTION
Environmental requirements
Installation
S-7100A
The ambient temperature should be within the
range of 5 ° C to 35 ° C during 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
operation.
In the event of an electrical storm, turn off the power
and disconnect the power cord from the wall outlet.
Lightning
may
cause
operation.
If using a work table which has casters, the casters
should be secured in such a way so that they
cannot move.
Secure the table so that it will not move when tilting
back the machine head. If the table moves, it may
crush your feet or cause other injuries.
Use both hands to hold the machine head when
tilting it back or returning it to its original position. If
only one hand is used, the weight of the machine
head may cause your hand to slip, and your hand
may get caught.
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 diarrhea.
Keep the oil out of the reach of children.
problems
with
correct
problems
with
correct

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