Attaching The Needle; Setting The Bobbin Into The Bobbin Case - JUKI DDL-9000B Instruction Manual

5. ATTACHING THE NEEDLE

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine.
1
4) Securely tighten screw 2 .
5) Check that long groove C of the needle is facing exactly to the left in direction D .
(Caution) When polyester filament thread is used, if the indented part of the needle is tilted toward opera-
tor's side, the loop of thread becomes unstable. As a result, hangnail of thread or thread breakage may
occur. For the thread that such phenomenon is likely to occur, it is effective to attach the needle with its
indented part slightly slanting on the rear side.

6. SETTING THE BOBBIN INTO THE BOBBIN CASE

B
C
D B
A
C
2
A
Use the specified needle for the machine. Use the
proper needle in accordance with the thickness of
thread used and the kinds of the materials.
1) Turn the handwheel until the needle bar reaches
the highest point of its stroke.
2) Loosen screw 2 , and hold needle 1 with its
indented part A facing exactly to the right in
direction B .
3) Insert the needle fully into the hole in the needle
bar in the direction of the arrow until the end of
hole is reached.
1) Install the bobbin in the bobbin case so that the
thread wound direction is clockwise.
2) Pass the thread through thread slit A , and
pull the thread in direction C . By so doing, the
thread will pass under the tension spring and
come out from notch B .
3) Check that the bobbin rotates in the direction of
the arrow when thread is pulled.
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