Brother BP3500D Operation Manual page 31

Winding/Installing the Bobbin
e Remove the bobbin cover.
f Hold the bobbin with your right hand with the thread
unwinding to the left, and hold the end of the thread
with your left hand. Then, with your right hand, place
the bobbin in the bobbin case.
g Lightly hold down the bobbin with your right hand
(1), and then guide the end of the thread around the
tab of the needle plate cover with your left hand (2).
1 Tab
CAUTION
• Be sure to hold down the bobbin with your
finger and unwind the bobbin thread
correctly, otherwise the thread may break or
the thread tension will be incorrect.
Memo
• The order that the bobbin thread should be
passed through the bobbin case is indicated by
marks around the bobbin case. Be sure to thread
the machine as indicated.
B-22
h While lightly holding down the bobbin with your right
hand (1), guide the thread through the slit in the
needle plate cover (2) and lightly pull it with your left
hand (3).
• The thread enters the tension spring of the bobbin
case.
i While lightly holding down the bobbin with your right
hand (1), continue guiding the thread through the slit
with your left hand (2). Then, cut the thread with the
cutter (3).
Note
• 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