JUKI MF-7524, Инструкция по эксплуатации

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The feed driving eccentric cam
❹
can be advanced from
the standard adjustment by 10º.
1) Remove cloth plate, left
❶ and rubber plugs ❷ .
2) Insert a hexagonal wrench key into the hole from which
the rubber plug is removed to loosen two setscrews
❺
and ❻ of positioning cam ❸ and setscrews ❼ and ❽
of feed driving eccentric cam
❹
.
4) Fix positioning cam ❸ with setscrew No. 1 ❻ of
the positioning cam with setscrew
❻
aligned with
flat section
C
of the shaft while lightly pressing the
positioning cam to the right.
5) Check to be sure that feed driving eccentric cam ❹ is
movable. Then, tighten setscrew No. 2
❺
.
6) Fix feed driving eccentric cam
❹
with eccentric cam
setscrews No. 1 ❼ and No. 2 ❽ , while pressing the
cam in the opposite direction to its normal movement.
Check to be sure that the "positioning
cam
❸ is in contact with the feed driving
eccentric cam" ❹ (section D) so as to
prevent the setscrews from loosening.
❹
❻
Lightly pressed to
the right
D
❼
❺
❻
❼
❽
❸
❽
C
❸
❸
❶
❷
(1) Changing the feed driving movement
3) Shift positioning cam ❸ to the left to disengage the
convex section from concave section No. 2
A
and
engage it in concave section No. 1 B .
17. Adjusting the feed locus
❸
B
A
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
C