Adjustment Of The Pressure Of The Work Clamp Unit; Setting Of The Material Closing Operation - JUKI LK-1901AN Instruction Manual

5. Adjustment of the pressure of the work clamp unit
WARNING :
Turn OFF 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 unit should be minimized as long as the material does not warp during
sewing. Loosen adjusting screw 1 and turn adjusting screw 2 to obtain the aforementioned pressure.
6. Setting of the material closing operation
) The material closing operation is performed by the electromagnetic solenoid, and change-over of
the operation setting (effective / ineffective) is available. The material closing has been set to work
simultaneously with sewing at the time of delivery.
2) If the material closing is not performed, the change-over is made by the memory switch. For the way
of operation, refer to item
manual for the LK-900AN.
◎ List of memory switch functions
No.
50
S e t t i n g o f m a t e r i a l c l o s i n g
operation
※ Setting range "" : The material closing simultaneously works when the work clamp foot comes down.
Setting range "2" : The material closing simultaneously works with the sewing after the work clamp foot
※ As for the contents of memory switch function Nos. other than memory switch No. 50, refer to the
"!.[8]-3. Table of functions of the memory switch" p.42
LK-900AN.
"!.[8]. How to use the memory switch" p.38
Function
0 : Ineffective
 : Synchronized with work clamp
2 : Synchronized with start
has come down.
2
1
Setting range
foot
described in the Instruction Manual for the
6
－ －
described in the instruction
State at time of delivery
2