Brother 888-X74 Manual De Instrucciones página 16

KNOWING YOUR SEWING MACHINE — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Lower threading
Install the bobbin wound with thread.
• For more details on using the quick-set
bobbin, see page 16.
CAUTION
Make sure you turn off the machine
G
while threading. If you accidentally step
on the foot controller and the machine
starts to sew, you could be injured.
Prepare the bobbin wound properly
1
before threading the lower thread.
• See page 13 for the details about bobbin
winding.
Raise the needle by turning the
2
handwheel toward you
(counterclockwise) and raise the presser
foot lever.
Remove the bobbin cover by sliding it and
3
lift toward you.
1 Bobbin cover
Put the bobbin in so the thread comes out
4
in the direction shown by the arrow.
CAUTION
Make sure you set the bobbin so the
G
thread unrolls in the right direction. If
the thread unrolls in the wrong direction,
it may cause the thread tension to be
incorrect or break the needle.
15
5
6
1
Hold the end of the thread, push the
bobbin down with your finger, and then
pass the thread through the slit, as shown.
• If the thread is not correctly inserted through
the tension-adjusting spring of the bobbin
case, it may cause incorrect thread tension.
1
1 Tension-adjusting spring
Replace the bobbin cover. Put the
projection into the bobbin race retainer
groove and push closed.
1
2
1 Groove
2 Projection
• Make sure that the end of the thread comes
out from the cover toward the rear of the
machine (as shown in the illustration).
• Draw up the lower thread before starting
sewing. Refer to "Drawing up the lower
thread" on page 21 after threading the upper
thread.