Threading 4/3 Thread OL
Thread
guide No. 1
3
11
9
11
27
2
4
5
1
1
Threading
change-
over lever
8
10
7
20-
30cm
6
Upper looper thread, blue markings
Switch the machine off (power switch"0")
Place the spool on the spool holder pin as illustrated.
(1) Raise the threading changeover lever in the direction
of the arrow.
Turn the handwheel toward you until it clicks.
(The threading pipe is connected.)
(2) Thread the thread guide which is located just above
the spool from back to front.
At this time, fit the thread firmly in the groove.
(3) Thread the thread guide No. 1.
(4) Pull the thread by both hands and thread the thread
guide.
(5) Thread the thread guide.
(6) Pull out the thread by 20 to 30 cm to let it sag inside
the looper cover.
(7) Pass the top end of thread through threading hole by
1 to 2 cm.
(8) Turn ON the air-control switch. (Slide the air switch to
the left.)
(9) Check to be sure that the thread comes out from the
top end of the upper looper.
(10) Turn OFF the air-control switch. (Slide the air switch
to the right.)
(11) Pull the thread by approximately 10 cm to route it
under the presser foot and pull it out from its rear.
Caution:
After you have completed threading of the upper and
lower loopers, be sure to return the threading changeover
lever to its home position. If not, the looper cover cannot
be closed.