1. Secure the presser lower arm A
so that the clearance between the
holding arm and machine arm becomes 0.3 mm with 2 set screws
.
2. Use the adjusting screw
to make sure that the presser lower arm
A
closely contacts with the holding pin
under the condition of
the presser lifted.
3. Make the angle between the presser lower arm B
and pressing
pin
the same as the angle between the presser lower arm A
and pressing pin
, and keep the machine arm to contact closely
with the presser lower arm B
, and tighten the two set screws
.
o If the angle of the presser lower
arm A
and B
is not equal, it
will cause loosening the arm asm.
screws or the breakage.
o If the clearance is too small be-
tween the presser lower arm A
and the arm, this can be a cause
of maloperation during pushing
down.
– 46 –
1. Put an appropriate number of the spacers
into the presser plate
to make the presser plate sheet
even.
2. In regard to the application of grease, refer to “PRESSER PLATE &
MANUAL PRESSER MECHANISM COMPONENTS” described in
10.-(4) Parts to which grease•lock-tight is applied.
o The step difference will cause
malfunction of the feed.
Adjustment Procedures
Results of Improper Adjustment
Adjustment Procedures
Results of Improper Adjustment