Brother International KE-484C Instruction Manual - English - Page 40

STANDARD ADJUSTMENTS, 10-1 Adjusting the needle bar height

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10. STANDARD ADJUSTMENTS 10. STANDARD ADJUSTMENTS CAUTION 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 foot switch 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 Hold the machine head with both hands when tilting it back or returning it to its original position. Furthermore, after tilting back the machine head, do not push the face plate side or the pulley side from above, as this could cause the machine head to topple over, which may result in personal injury or damage to the machine. If the power switch and air need to be left on when carrying out some adjustment, be extremely careful to observe all safety precautions. 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. 10-1. Adjusting the needle bar height 3196Q 3197Q Turn the machine pulley to move the needle bar to the lowest position. Then remove the rubber plug (2), loosen the set screw (3) and then move the needle bar up or down to adjust so that the second reference line from the bottom of the needle (reference line A) is aligned with the lower edge of the needle bar bush (1). 10-2. Adjusting the needle bar lift amount 3198Q 3199Q 3200Q Turn the machine pulley to raise the needle bar from the lowest position until the lowest reference line on the needle (reference line B) is aligned with the lower edge of the needle bar bush (1). Then loosen the set screw (2) and move the rotary hook to adjust so that the tip of the rotary hook is aligned with the needle center line. KE-484C 34

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10. STANDARD ADJUSTMENTS
34
KE-484C
10. STANDARD ADJUSTMENTS
CAUTION
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 foot switch
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
Hold the machine head with both hands when tilting it
back
or
returning
it
to
its
original
position.
Furthermore, after tilting back the machine head, do
not push the face plate side or the pulley side from
above, as this could cause the machine head to
topple over, which may result in personal injury or
damage to the machine.
If the power switch and air need to be left on when
carrying out some adjustment, be extremely careful
to observe all safety precautions.
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.
10-1. Adjusting the needle bar height
Turn the machine pulley to move the needle bar to the lowest position. Then remove the rubber plug (2), loosen the set screw
(3) and then move the needle bar up or down to adjust so that the second reference line from the bottom of the needle
(reference line A) is aligned with the lower edge of the needle bar bush (1).
10-2. Adjusting the needle bar lift amount
Turn the machine pulley to raise the needle bar from the lowest position until the lowest reference line on the needle
(reference line B) is aligned with the lower edge of the needle bar bush (1). Then loosen the set screw (2) and move the rotary
hook to adjust so that the tip of the rotary hook is aligned with the needle center line.
3196Q
3197Q
3198Q
3200Q
3199Q