Standard Adjustments; Arm Thread Guide R - Brother S-7250A Instruction Manual

6. STANDARD ADJUSTMENTS

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.
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.
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.

6-1. Arm thread guide R

Becomes greater
CAUTION
The standard position of arm thread guide R (1) is the
position where the screw (2) is in the center of the adjustable
Becomes less
range for arm thread guide R (1).
NOTE:
1434D
S-7250A
6. STANDARD ADJUSTMENTS
Turn off the power switch and disconnect the power
cord plug at the following times.
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 knives
Always be sure to turn off the power switch and then
wait one minute before opening the motor 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, be extremely careful to
observe all safety precautions.
To adjust the position, loosen the screw (2) and then
move arm thread guide R (1).
・ When sewing heavy-weight material, move arm thread
guide R (1) to the left. (The thread take-up amount will
become greater.)
・ When sewing light-weight material, move arm thread
guide R (1) to the right. (The thread take-up amount
will become less.)
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