JUKI AMS-221EN Series Engineer's Manual page 83

Adjustment Procedures
2. Adjustment of the falling stopper position
Vertically adjust the stopper base where the stopper plate enters the pin
smoothly when the release lever
setscrew of the stopper base (top)
the screw .
* It is necessary to hold the sewing machine because it may fall
down during adjustments.
This work should be carried out by at least two persons.
3. Adjustment of spring tension for falling stopper ON/OFF
Turn the nut in the state that the spring
hanger. In this condition, adjust Size B. After adjustments, fasten the
nut .
* It is necessary to hold the sewing machine because it may fall
down during adjustments.
This work should be carried out by at least two persons.
is turned in Direction A and the
is loosened. After that, fix it with
is hung on the spring
– 79 –
Results of Improper Adjustment
o The stopper does not work even
though the release lever
turned in Direction A.
o The safety lock mechanism does
not function normally while the
sewing machine is opened or
shut.
(The stopper does not function
when the sewing machine falls
down. Otherwise, the stopper
always functions in ordinary
operation.)
is