– 46 –
1) Connect the connector of PK70 to connector
(CN39 :12P) of SC-922.
2) Tighten the cord of PK70 together with other cords
with cable clip band attached to the side of the
box after passing it through the cable clamp.
(Caution) Be sure to turn OFF the power before
connecting the connector.
6. CONNECTING PROCEDURE OF OPTIONAL DEVICE
(1) Connection of the pedal of standing-work machine (PK)
1) Turn ON the power switch with switch 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.
(2) Setting of the auto lifter function
When the auto-lifter device (AK) is attached, this function makes the function of auto-lifter work
A
B
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 switch .
(Changeover is performed to drive power +33V or +24V of
CN37.)
FL OFF : Auto-lifter function does not work. (Similarly, the presser foot is not automatically lifted when programmed
stitching is completed.)
Solenoid drive display (+33V)
Air drive display (+24V)
(Caution) 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.
WARNING :
When the solenoid is used with the air drive setting, the solenoid may be burned out. So, do not mistake
the setting.
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