High-Speed Lockstitch Button Sewing Machine; Specifications; Installation Of The Sewing Machine And Preparation Of The Operation; Needle And Thread - JUKI LK-1903A-305 Instruction Manual

$. EXPLANATI�N �� THE LK�1903A� C�MPUTER�C�NTR�LLED
HIGH�SPEED L�CKSTITCH �UTT�N SEWING MACHINE

1. Specifications

Different specifications from those of the LK-1900A only are described.
) Sewng speed .............................................. Max. 2,700st/mn
2) Needle ......................................................... DPx7 #4
3) Lftng method of the work clamp foot .......... Steppng motor
4) Lft of the work clamp foot ............................ Max. 3mm
5) Number of standard patterns ....................... 50 patterns
6) Wper method .............................................. Interlocked wth work clamp foot lfter drven by steppng
* The needle thread clamp device is set to prohibition (state of standard delivery) with memory
switch No. 35. Refer to
(�ASIC).
2. Installation of the sewing machine and preparation of the operation
WARNING :
�e sure to perform the work with two persons or more when moving the sewing machine.
3. Needle and thread
Needle Needle thread
DPx7 #4
6. Thread clamp device of [5] �PERATI�N �� THE SEWING MACHINE
Set of button
tray base
Bobbn thread
#60 #80
#60 #60
#50 #60
#40 #60
motor
) Installaton of the sewng machne head and the
control box s the same as that of the LK-900A.
Refer to the nstructon manual for the LK-900A.
2) Install a set of the button tray base to a convenent
place for the work as the set s ncluded n the
accessores.
3) The way of operaton s the same as that of the
LK-900A.
Make sure before operation that the
needle does not strike against the
button hole.
Needle and thread wll vary n accordance wth the
sewng condtons. When usng the needle and the
thread, select them referrng to the left table. Cotton
thread and polyester spun thread are recommended.
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