artisan 1988-MDZ, Instruction Manual

Page: 10 / 48

Thread
take up spring
Th read tension
1
1--spring
Strengthen
Rotation of
bobbin
�'\
7) Adjusting of upper thread tension
(l) Upper thread tension can be adjusted by
thread tension nut.
(2) Upper thread is to be adjusted according to the
lower thread tension.
(3) For special fabric sewing with special thread. the
desired tension can be obtained by adjusting the
strength and operating range of thread take-up
spring.
8) Adjusting of lower thread tension
(I) Lower thread tension can be adjusted by screw
(A).
(2)
In the case of cotton thread #60. the thread ten­
sion can be checked as the following Hold the
end of pulled out tl1reac! and if the bobbin case
fall slowly, the tension is proper.
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