– 13 –
Adjustment procedures
Results of Improper adjustment
1. Loosen setscrew
❸
and move needle bar thread take-up
thread receiver
❶
up or down to adjust the height.
2. When desired to make needle bar thread take-up thread re-
ceiver
❶
work especially on the right needle where loop is hard
to be made, adjust the height of right needle thread receiver
❹
with setscrew
❺
.
◦ Since larger thread loops are
formed by raising needle bar
thread take-up receiver
❶
, it is
necessary to adjust the needle
bar thread take-up receiver while
checking the state of thread
loops. The needle thread tension
is also changed according to the
adjustment of the needle bar
thread take-up receiver.
◦ If the needle bar thread take-up
receiver
❶
is excessively raised,
an extra load will be applied to
the needle resulting in needle
breakage. Excessive adjustment
of the needle bar thread take-up
receiver should be avoided.
