Setting Of The Auto Lifter Function; Setting Of The Pedal Stroke - JUKI MF-7500 series Instruction Manual

(5) Setting of the auto lifter function

WarNING :
When the solenoid is used with the air drive setting, the solenoid may be burned out. So, do not mistake
the setting.
When the auto-lifter device (AK) is attached, this function makes the function of auto-lifter work.
1 2
FL ON : Auto-lifter device becomes effective. Selection of the auto-lifter device of solenoid drive (+33V) or of
air drive (+24V) can be performed with
(Changeover is performed to drive power +33V or +24V of CN37.)
Solenoid drive display (+33v)
FL OFF : Auto-lifter function does not work. (Similarly, the presser foot is not automatically lifted when pro-
grammed stitching is completed.)
1. to perform re-turning oN of the power, be sure to perform after the time of one second or more has
passed.
(If oN / oFF operation of the power is performed quickly, setting may be not changed over well.)
2. auto-lifter is not actuated unless this function is properly selected.
3. When "FL oN" is selected without installing the auto-lifter device, starting is momentarily delayed at
the start of sewing. In addition, be sure to select "FL oFF" when the auto-lifter is not installed since the
touch-back switch may not work.

(6) Setting of the pedal stroke

: Lifting start position of pedal presser lifter
: Pedal stroke of thread trimming start
A B
3 4
switch 4 .
(Similarly, the presser foot is not automatically lifted when pro-
– 6 –
1) Turn ON the power switch with
switch 3 held pressed.
2) "FL ON" is displayed on indicators A
and B with a blip to make the auto
lifter function effective.
3) Turn OFF the power switch, and turn
ON the power switch again to return
to the normal mode.
4) Repeat the operation 1) to 3), and
LED display is turned to "FL OFF".
Then, the function of auto-lifter does
not work.
air drive display (+24v)
When using the top covering thread, per-
form the setting below.
¡ Set so that thread trimming operation
can be performed before using the
auto-lifter.
¡ Set the lifting start position of the
pedal presser lifter of the function set-
ting No. 41 to "
pedal stroke of the thread trimming
start of the function setting No. 43 to "
/
occurrence of stitch skipping,
thread trimming failure, or stitch
trouble may be caused unless
the setting is changed. So, be
careful.
/ " and the
" respectively.