Mitsubishi LT2-250-M1ATW, LT2-250-A1AT, LT2-250-B1AT Instruction Manual
MITSUBISHI
INDUSTRIAL
SEWING
MACHINE
LT2-250-M1ATW
-A1AT
-B1AT
(Auto-changer)
Double-Needle
Model
Class
o Thank you for
ing
Machine.
Before
booklet carefully together with
LT2-230/250.
the
your
purchase
useofyour
Lockstitch,
Automatic
Machine
of Mitsubishi Industrial
sewing
machine,
the
Instruction Manual of
Needle
Corner^Stitchlng
with
please
INSTRUCTION
Automatic
Undertrlmmer
Sew
, . .
read
this
Feed,
MANUAL
NAME
Needle
AND
Selection
Compensation
Touch
LOCATION
Control
(LE-CNA)
Solenoid
Stitching Switch
Back
Switch
Panel
OF
MAJOR
COMPONENTS
Synchronizer
Power
Switch
Limi-StopZmotor
Knee
PREPARATION
Switch
—
FOR
OPERATION
Q] Threading with needie thread
Pass only the right-hand needle thread through the
thread
guide as
other
For
page
6 of Instruction Manual of LT2-230/250.
showninthe
right figure.
details of threading, refer to the description on
Thread
Lubrication
adjust
screw
guide
Automatic
foot
Lifter
Limi-Stop Z
Control
Box
(LE-MDF)
Pedal
Presser
,
Adjustment of lubricationtothread
To
restrict
oiling
to the
takeup
turn
clockwise
the
lubrication
leverand needle bar,
adjust
screw.
takeup
lever
loosen
the nut shown in the right
(1) Lubrication adjust screw fullytightened Min.oillingto takeup lever
(2) Lubrication adjust
turns
from
screw
the
fully tightened position Max. oilling to takeup lever
returned (counter-clockwise) by 4
-1
-
figure
and
PREPARATION
FOR
OPERATION
Installationofsolenoid-driven
(Assembly
Knee
Iarm
Knee
link
switch
>*^1
breakdown
Knee
lift
lift
lever*
(
Wood
tappet
Driven
screw
schema)
Rotary
crank
-Knee
solenoid
""^7r-i '
/
Knee
lift
link
shaft
switch
presser
ass'y
Wood
screw
foot
lifter
and
knee
Solenoid
Drive
Adjusting
switch
bracket
crank
rod
(Installationofknee
(1) Install
(2)
the
trated
using
right
figure)
Install
the
switchtothe
switch)
brackettothe
wood
screws.
knee
switch
bracket.
table,asillus
(See
arm
and
knee
the
(Installation of solenoid-driven presser
foot)
(1) Install
(2)
the
solenoid
as illustrated using
the
right
Remove
knee
used).
figure)
the
lift link
knee
shaft
bracket to
wood
switch
(the
lift
the
table,
screws. (See
pad
from
padisnot
the
Knee
mount
Oil
Table
Knee
reservoir
switch
bracket
top
view
lift
link
shaft
—'•
PREPARATION
FOR
OPERATION
(3) Loosen
the
knee
link
shaft
dravr
as
showninthe
(4)
Put
the
right figure
shaft
(5)
Set
the
the
previous
(6)
Turn
lift link
outtolift.
Note;
presser
the
feed
throat
(7)
Turn
showninthe
parallel
it in
that
screw.
(8)
Screw
endofdriven
the
special bolt
lift
link
levertothe
and
knee
remove
lift
link
the
right figure.
driven
crankasshowninthe
and
through
knee
pass
the
holeofdriven
lift link
positions.
clockwise
lever
Vertical
foot
dog
the
until
the
movement
should
positioned
stop
plate.
the
driven
cranktoabout
right
the
figure
drive
with
positionbytightening
each
adjusting
and
drive
usedtosecure
the
spring.
shaft
the
knee
lever
and
screwofknee
presser
footisab
be
checked
lower
(it
should
crank)
and
rod
into
cranks.
knee
Then
backward,
lift link
crank.
spring
of
with
than
25°,
secure
the
the
the
the
set
rod
lift
be
Spring
in
Stop
screw
Knee
lift
link
lever-
screw
Knee
link
lift
Shaft
as
Special
bolt
Driven
Set
Set
Driven
crank
Screw
Screw
crank
(9) While
toward
the
rod
Note:
the
rod
crankisin
stopper.
(10) Be
suretoloosen
knee
come
when
Note: While
the
automatic
Be
sure
that
drawing
each
the
other,
clamper.
When
securing
clamper,
contact
lift
link
leversothatitdoes
into
contact
the
solenoid
the
presser
presser
the
presser
two
make
with
the
with
remains
foot
foot
foot
adjusting
secure
them
the
sure
the
stop
the
oil
still.
goesupwhen
lifting
mechanism.
will
not
rods
the
left
screw
reservoir
contact
rods
with
with
drive
rubber
not
Rubber
stopper
Set
Screw-^c
Driven
crank-»v
of
the
with
-3-
Rod
end
needles
stopatDOWN position,
the
needles
or needle clamp.
Rod
clamper
Adjusting
after
rod
assembling
Loading...