Maintenance And Inspection - Brother S-7300A-333P Instruction Manual

Maintenance and inspection of the sewing machine
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 result in injury.
When carrying out inspection, adjustment and

maintenance
When replacing consumable parts such as the

rotary hook and knife
Always be sure to turn off the power switch and then
wait one minute before opening the pulley cover. If
you touch the surface of the motor, it may cause
burns.
If the power switch needs to be left on when carrying
out some adjustment, make sure that you switch the
sewing machine to maintenance mode. Pay careful
attention to safety.
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.
iv
CAUTION

Maintenance and inspection

S-7300A
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.
When replacing parts
accessories, be sure to use only genuine Brother
parts.
Brother will not be held responsible for any
accidents or problems resulting from the use of
non-genuine parts.
If any safety devices have been removed, be
absolutely sure to re-install them to their original
positions and check that they operate correctly
before using the machine.
To prevent accidents and problems, do not modify
the machine yourself.
Brother will not be held responsible for any
accidents or problems resulting from modifications
made to the machine.
Do not hold the machine head by the panel when
tilting it back or returning it to its original position. If
this is not observed, it may result in serious injury or
damage to the sewing machine.
and installing optional