Industrial Sewing Machine SADE
58
6.2 Thread tension
Adjusting the needle thread tension
1) Turn thread tension nut No. 1
clock-
wise A to
shorten the length of thread
remaining on the
thread trimming. Turn the nut counter-
clockwise B to lengthen it.
2) Turn thread tension nut No. 2 ❷ clock-
wise C to increase the needle thread ten-
sion, or counter-clockwise D to decrease
it.
This procedure deals with setting of the BTSR. A special application is available for the
BTSR thread tension sensor for re calibration. Contact your Juki service distributor for
details.
Fig. 30. Thread tension
Apply the same tension to both of the thread tension nut No. 2.
In the case, the length of thread remaining at the needle tip cannot be in-
creased, replace the spring of tension controller No. 1
is separately available.