JUKI LU-2800 Series, Руководство инженера

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Adjustment procedures Results of Improper adjustment
1) Hand lifter
1. Loosen setscrews of the motor cover to remove the motor cov-
er.
2. Loosen setscrews of the face plate to remove the face plate.
3. Loosen clamping screw
❶ of the hand lifter A.
4. Adjust the lifting amount to 10 ± 1 mm in the state that the lifter
plate
❸
is in contact with the spring receiving
❷
.
At this time, place a thing thickness of which is 10 mm between
the top surface of throat plate
❹ and the under surface of
presser foot ❺ to facilitate adjustment.
5. In the state as described in the aforementioned step 4, bring
hand lifter A ❻ and B ❼ into the state as illustrated in the figure
and tighten clamping screw
❶
of the hand lifter A.
6. Remove the 10 mm thick thing placed between the top surface
of throat plate ❹ and the under surface of presser foot ❺ .
7. Attach the motor cover.
8. Attach the face plate.
When the lifting amount is higher
than the specified value :
o
The presser foot ❺ is held
raised from the top surface of
throat plate
❹ even when the
hand lifter is returned to its home
position.
When the lifting amount is lower
than the specified value :
o
The presser foot is not sufficient -
ly raised and the working prop-
erty may be deteriorated.