JUKI NA-11UT Series Service Manual page 37

05
Noise
[Fig. 5]
[Fig. 6]
Place the upright shaft upper gear
the first screw from the revolving direction of the upright shaft
cutting part and then the second screw.
Manually turn the pulley and check whether there is clearance
or jam.
close to the bushing. Tighten
Maintenance Book
41