JUKI MOL-254 Engineer's Manual page 27

Adjustment Procedures
① Loosen setscrew
in the cam follower. (Shaft is possible
to rotate.) Loosen two setscrews
arm thrust collar.
② Align the rear end of thread trimmer shaft
plane on the machine arm and tighten two setscrews
in the thread release arm thrust collar.
③ Press the cam follower in the direction of the arrow mark
( ← ) and tighten setscrew
removing the play.
○ Loosen two setscrews
the state that the thread trimming operation is not
performed, adjust the respective clearances to 0.3 mm,
and tighten setscrews
in the thread release
with worked
in the cam follower while
in the cam follower stopper in
.
20
− −
Results of Improper Adjustment
○ If thread trimmer shaft
mistakenly adjusted, receiving
amount of front section
thread trimmer shaft becomes
improper and the thread trimmer
shaft may be prized resulting in
failure of thread trimming or
machine-lock.
○ The occurrence of the play will
result in defective disk releasing.
○ Machine-lock or failure of thread
trimming will occur.
is
of