Attaching The Needle; Setting The Bobbin Into The Bobbin Case - JUKI DDL-8100e Instruction Manual

■ adjusting the amount of oil (oil spots) in the hook
A

8. attacHInG tHE nEEDLE

WarnInG :
to avoid possible personal injury due to abrupt start of the machine, turn off the power to the
machine and check to be sure that the motor has totally stopped rotating in prior.
1
2

9. sEttInG tHE BoBBIn Into tHE BoBBIn casE

B
C
B
B
D
A
C
A
– 6 –
) Turnng the ol amount adjustment screw attached
on the hook driving shaft front bushing in the "+"
drecton (n drecton A ) wll ncrease the amount
of oil (oil spots) in the hook, or in the "–" direction
(n drecton B ) wll decrease t.
2) After the amount of ol n the hook has been
properly adjusted wth the ol amount adjustment
screw, make the sewng machne run dle for ap-
proximately 30 seconds to check the amount of
ol n the hook.
A needle of DBx1 should be used. Select a proper
needle sze accordng to the count of thread and the
type of materal used.
) Turn the handwheel untl the needle bar reaches
the hghest pont of ts stroke.
2) Loosen screw 2 , and hold needle 1 wth ts n-
dented part A facing exactly to the right in direc-
ton B .
3) Insert the needle fully nto the hole n the needle
bar n the drecton of the arrow untl the end of
hole s reached.
4) Securely tighten screw 2 .
5) Check that long groove C of the needle s facng
exactly to the left in direction D .
) Install the bobbn n the bobbn case so that the
thread wound drecton s counterclockwse.
2) Pass the thread through thread slt A , and pull
the thread n drecton C .
By so dong, the thread wll pass under the ten-
son sprng and come out from notch B .
3) Check that the bobbn rotates n the drecton of
the arrow when thread s pulled.