Industrial Sewing Machine SADE
59
WARNING!
To protect against possible personal injury due to abrupt start of the
machine, be sure to start the
following work after turning the power off
and ascertaining that the motor is at rest.
Adjusting the bobbin thread tension
Turn tension adjustment screw
clock-
wise A to increase the bobbin thread ten-
sion, or counterclockwise B to decrease it.
6.3 Thread take-up spring
WARNING!
To protect against possible personal injury due to abrupt start of the
machine, be sure to start the following work after turning the power off
and ascertaining that the motor is at rest.
(1) When you want to change the
stroke of the thread take-up spring
Loosen screw ❷. Adjust thread take-up
spring ❶ by moving it in the slot.
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