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3-11 The threading and adjustment.
3-11-1.Please follow the procedure A.B.C. to thread (Fig 1).
3-11-2.The thread have to pass the inside of thread tension disc (Fig 2A) and the bottom of
stitch unlocking spring a when thread the B section (Fig 2).
Thread
a
b
3-11-3.After thread the c section, please lift the presser
foot and put in the fabric. To turn the hand-wheel in 2
times which to let the needle thread have interlocked
with looper thread. Please make sure the top cover
thread have hooked on the front groove of short top
cover thread carrier b. Then, pull the top cover thread
by hand lightly. To turn the hand-wheel in one time and
make sure the top cover thread have hooked on the
long top cover thread carrier. Then, the machine could
be operated as usual (Fig 3).
Please switch off electric power
Warning !
before installation & maintenance.
Fig 2A
Fig 2
Needle thread
Pull thread
lightly
Fig 3
-16-
B
C:
Top covering thread
A:
Looper thread
Fig 1
c
b
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