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This sewing machine should only be used by op-
erators who have received the necessary training
in safe use beforehand.
The sewing machine should not be used for any
applications other than sewing.
Be sure to wear protective goggles when using the
machine.
If goggles are not worn, there is the danger that if
a needle breaks, parts of the broken needle may
enter your eyes and injury may result.
Turn off the power switch at the following times,
otherwise the machine may operate if the treadle
is depressed by mistake, which could result in in-
jury.
• When threading the needle
• When replacing the needle and bobbin
• When not using the machine and when leaving
the machine unattended
*When using a clutch motor, the motor will keep
turning even after the power is switched off as a
result of the motor's inertia. Wait until the motor
stops fully before starting work.
Turn off the power switch before carrying out
cleaning, otherwise the machine may operate if
the treadle is depressed by mistake, which could
result in injury.
*When using a clutch motor, the motor will keep
turning even after the power is switched off as a
result of the motor's inertia. Wait until the motor
stops fully before starting work.
Maintenance and inspection of the sewing ma-
chine should only be carried out by a qualified
technician.
Ask your Brother dealer or a qualified electrician
to carry out any maintenance and inspection of the
electrical system.
Turn off the power switch and disconnect the
power cord from the wall outlet at the following
times, otherwise the machine may operate if the
treadle is depressed by mistake, which could re-
sult in injury.
• When carrying out inspection, adjustment and
maintenance
• When replacing consumable parts such as the ro-
tary hook
*When using a clutch motor, the motor will keep
turning even after the power is switched off as a
result of the motor's inertia. Wait until the motor
stops fully before starting work.
iii
CAUTION
Sewing
Cleaning
Maintenance and inspection
DB2-B771A,772A (English)
If using a work table which has casters, the cast-
ers should be secured in such a way so that they
cannot move.
Attach all safety devices before using the sewing
machine. If the machine is used without these
devices attached, injury may result.
Do not touch any of the moving parts or press any
objects against the machine while sewing, as this
may result in personal injury or damage to the
machine.
For machines with automatic presser lifter, do not
touch the solenoid section, otherwise burns may
result.
If an error occurs in machine, or if abnormal noises
or smells are noticed, immediately turn off the
power switch. Then contact your nearest Brother
dealer or a qualified technician.
If the machine develops a problem, contact your
nearest Brother dealer or a qualified technician.
Be sure to wear protective goggles and gloves
when handling the lubricating oil, so that no oil
gets into your eyes or onto your skin, otherwise
inflammation can result.
Furthermore, do not drink the oil under any cir-
cumstances, as it can cause vomiting and diar-
rhoea.
Keep the oil out of the reach of children.
If the power switch needs to be left on when car-
rying out some adjustment, be extremely careful
to observe all safety precautions.
Use only the proper replacement parts as speci-
fied by Brother.
If any safety devices have been removed, be ab-
solutely sure to re-install them to their original
positions and check that they operate correctly
before using the machine.
Any problems in machine operation which result
from unauthorized modifications to the machine
will not be covered by the warranty.
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