JUKI LZ-2290A-SS-7 Engineer's Manual page 11

Caution in disassembling
™ Be very careful of handling the magnet assembled to the
handwheel.
(Be careful of the damage or collection of dust or the like.)
™ Align the engraved marker line on the thread take-up with that
on the face plate at UP-stop position.
™ Set the handwheel to the position
where the clearance between
p u l l e y c o v e r 3 a n d t h e
handwheel is approximately 1
mm, and adjust screw No. 1 1
to the flat position of the motor
shaft. Then tighten the screws
in the order of screw No. 1 1
and screw No. 2 2 in the
direction of rotation of the
handwheel.
™ Make the position of handwheel
flush with the end of the motor
shaft and adjust screw No. 1 1
in the direction of rotation of the
handwheel to the flat position of
of the motor shaft.
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Caution in assembling