JUKI IP-100A Engineer's Manual page 47

Adjustment Procedures
1. When the work of step 7), work of step 9) has been completed,
turn stitch length dial 8 (condensation dial 9) and check that
the dial moves as specified in the scale.
2. When the marker dot engraved on the machine arm cannot be
adjusted, check and re-adjust from the work of step 5).
<REFERENCE>
Max. scale of the stitch length dial
Model Max. scale
LZ-2290A-SS, A-DS 5 mm
LZ-2290A-SU, A-DU 2.5 mm
With regard to condensation dial
Model LZ-2290A-SS, A-DS
Shape
Part No. 23534407
Max. scale –4 mm
Part No. of stitch length dial
11071909
26302000
LZ-2290A-SU, A-DU
23545007
–2.5 mm
43
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Results of Improper Adjustment