Duerkopp Adler 251-140042 Руководство - Страница 11
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· Adjusting the amount of oil ( oil spots ) in the hook
11. 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.
12. SETTING THE BOBBIN INTO THE BOBBIN CASE
13. ADJUSTING THE STITCH LENGTH
1) Turning the oil amount adjustment screw attached
on the hook driving shaft front bushing in the "+"
direction (in direction
of oil (oil spots) in the hook, or in the "-" direction
(in direction
B
) will decrease it.
2) After the amount of oil in the hook has been properly
adjusted with the oil amount adjustment screw,
make the sewing machine run idle for approximately
30 seconds to check the amount of oil in the hook.
1) Pass the thread through thread slit
thread in direction
By so doing, the thread will pass under the tension
spring and come out rom notch
2) Check that the bobbin rotates in the direction of the
arrow when thread
-6-
A
) will increase the amount
A
, and pull the
B
.
B
.
C C
is pulled.