JUKI MO-2000 Series Service Manual page 33

Adjustment Procedure
Checking items:
❶ Lower looper setscrew
❷ Lower looper shaft
❸ Lower looper
* Check that the distance from the center of the lower looper shaft ❷ to
the lower blade point is 65.5 ± 0.15 mm (A).
How to perform adjustment:
○ Loosen the setscrew ❶ of the lower looper ❸ .
○ Move the lower looper ❸ up or down to make adjustment.
○ Retighten the setscrew ❶ .
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Results of Improper Adjustment