HIGHLEAD GC20688-BDC, Instruction Manual

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(3) Raise the presser lifters bar 1 and then loosen the screw 2.
(4) Move the outer presser bar up or down to adjust so that the height of the outer presser foot 7 is 9 mm.
he presser lifter shaft so that there is no play in the thrust direction, tighten the screw 2.
st the presser foot pressure.
ting presser foot movement amount
lowing adjustment to set the
maximum alternating movement amounts for the inner
presser foot 1 and outer presser foot 2 to the maximum of 7
mm.
a. Remove the upper plate.
b. Remove the adjusting bracket 3.
c. Loosen screw 5 of adjusting bracket collar 4.
d. Adjust the adjusting bracket collar 4. If the
adjusting bracket collar 4 is be installed at the highest
position, the alternating presser foot movement amount is
1-6mm. If it is at the lowest position, the alternating presser
ghten the screw 5.
ver 7 to
outer presser foot 2 moveme
(5) While the stopper pin 6 is touching against the notch B in the presser foot lifter connection 5 and while
pushing t
(6) Turn the presser adjusting screw to adju
(7) Install the belt guards.
24) Adjusting the alterna
(1) Maximum alternating presser foot movement amount. Carry out the fol
foot movement amount is 1.6-7mm.
e. Ti
f. Install the adjusting bracket 3.
d. Loosen the bolt 6 and turn connecting le
adjust so that the distance from the outer edge of the arm to
the outer edge of the pin 7 is 78 mm at this time. Then tight
the alternating presser foot movements dial to the “min.” posi
(2) Inner presser foot 1 and
en the bolt 6. (When installing the upper plate, set
tion.)
nt amounts. Carry out the following adjustment to
d outer presser foot 2 equal when the presser feet make the movement amounts for the inner presser foot 1 an
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