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5) Thread tension adjustment
A. Tension adjustment of the lower thread
If you turn screw② on the spring plate① mounted in hook
in a clockwise direction, the lower thread tension will
become stronger and when turned in a counterclockwise
direction, weaker.
B. Tension adjustment of the upper thread
a. Tension adjustment of thread-adjusting device
(for 1060 BL type)
As shown in [Figure 27], tension will become heavier
when tension-adjusting nut① of the thread-adjusting
device is turned clockwise, and lighter when turned
counterclockwise.
b. Tension adjustment of thread-adjusting device
(for 1062 BL type)
As indicated in [Figure 28], tension of the left thread will
become stronger when tension-adjusting nut① of the
thread-adjusting device is turned clockwise, and weaker
when turned counterclockwise. If you turn the tension-
adjusting nut② clockwise, tension of the right thread will
become stronger, and weaker when turned counterclockwise.
[ Fig. 26 ]
Weak
strong
[ Fig. 28 ]
[ Fig. 27 ]
①
①
Strong
Weak
①
Strong
Weak
②
②
Caution
▶Turn off the power when adjusting the lower thread tension. If the operator mistakenly steps
down on the pedal while switched on, the machine will start automatically and can cause
physical injuries.
▶When using the clutch motor, be aware that the motor will continue to rotate for a while after the
power is switched off. Start to work only after the motor has come to a complete stop.
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