JUKI MOL-254 Engineer's Manual page 129

Adjustment Procedures Results of Improper Adjustment
○ If the speed adjustment of the
○ If the speed adjustment of the
122
− −
cylinder is insufficient, belt loop
is not sufficiently drawn and
slackening of the belt loop
required for the supply device
may not be performed.
cylinder is insufficient, stress is
produced more than necessary,
and looseness of components
will occur earlier than expected.
Or, if the action is slower than
the timer, interference with other
components will result.