JUKI MOL-254 Engineer's Manual page 121

Adjustment Procedures
2. Align the heights of forks in the right and left rotation
centers with screws
shaft assembled in folding shaft metals
(Caution) If the heights of the forks, front and rear, are
aligned with each other, it is OK even when
the clearance is "0".
The clearance, 1 mm, is the dimension which
has been factory-set at the time of delivery.
for adjusting the height of folding
.
114
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Results of Improper Adjustment
○ Dog ear will result.
○ Delivery on the one side of forks
only will be unstable.
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