Adjustment Procedures
1. Adjustment of tension disk rise
(1) Insert a screwdriver in the driver groove of the tension floating shaft
and loosen the setscrew
tension floating shaft
(2) Adjust height of the disc floating pin
setscrew
.
of the lift lever
clockwise.
to 6.5mm and tighten the
Results of Improper Adjustment
o If proper positioning is not secured
. Then, turn the
– 43 –
for the disc floating pin
needle thread and/or the looper
thread cannot be pulled out when
this action is needed.
, the