Adjustment Of The Pressure Of The Work Clamp Unit; Setting Of The Material Closing Operation - JUKI LK-1903A-305 Instruction Manual

5. Adjustment of the pressure of the work clamp unit
WARNING :
Turn ��� the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
) The pressure of the work clamp unt should be mnmzed as long as the materal does not warp durng
sewng. Loosen adjustng screw 1 and turn adjustng screw 2 to obtan the aforementoned pressure.
6. Setting of the material closing operation
) The materal closng operaton s performed by the electromagnetc solenod, and change-over of
the operaton settng (effectve / neffectve) s avalable. The materal closng has been set to work
smultaneously wth sewng at the tme of delvery.
2) If the materal closng s not performed, the change-over s made by the memory swtch. For the way
of operaton, refer to tem "How to use the memory swtch" descrbed n the nstructon manual for the
LK-900A.
◎ Lst of memory swtch functons
No. Functon
50
S e t t  n g o f m a t e r  a l c l o s  n g
operaton
※ Settng range "" : The materal closng smultaneously works when the work clamp foot comes down.
Settng range "2" : The materal closng smultaneously works wth the sewng after the work clamp foot
has come down.
※ As for the contents of memory swtch functon Nos. other than memory swtch No. 50, refer to the lst of
the memory swtch functons descrbed n the Instructon Manual for the LK-900A.
2
1
Settng range
0 : Ineffectve
 : Synchronzed wth work clamp
foot
2 : Synchronzed wth start
6
－ －
State at tme of delvery
2