JUKI NA-11UT Series Service Manual page 13

Feed Time
02
Turn the pulley to set the needle bar at the highest point.
[Fig. 5]
Loosen the screw for the auxiliary presser foot up/down motion
crank.
[Fig. 6]
Adjust the height of the auxiliary presser foot to be 3mm from
the upside face of the needle plate.
[Fig. 7]
Maintenance Book
17