Mitsubishi LS2-180 User Manual
MITSUBISHI
Industrial
TECHNICAL
Automatic
Model
LS2-180
Sewing
INFORMATICN
Undertrimmer,
Machine
Single-Needle
Lockstitch
'A
ET-0S2
MITSUBISHI
ELECTRIC
1.
CONSTRUCTION
2.
SPECIFICATIONS
3.
THREAD
TRIMMER
SYSTEM
CONTENTS
2
3
4~6
3.1
3.2
4.
4.1
4.2
^
5.
Electric
Machine
PREPARATIONS
Section
Head
InstallationofSewing
AdjustmentofMachine
ADJUSTMENTS
5.1
Thread
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
5.1.6
5.1.7Installation
5.1.8
5.1.9
5.2
AdjustmentofNeedle
5.3
5.4
5.5
Cautions
Touch-Back
Wiper
Trimmer
Construction
Cautions on
Installation
Connectionofknife
Knife driving
Installation
Adjustmentofknife engagement 12
Adjustmentofneedle
on
Installation
Pushbutton
Section
BEFORE
Mechanism
adjustment
of
shaft
of
of
OPERATION
Machine
Stop
knife
and
thread
thread
Thread
of
and
Motor
Position
base
and
fixed
blade
base
and
knife driving
bracket
crank
unit
related parts 10
trimmer
trimmer
thread
solenoid
cam
tension
unit
releasing
amount
Remaining Length 13
Touch-Back
Solenoid
4
5
7-8
7
8
9-15
9
9
9
9
10
11
11
13
13
13
14
5.5.1 Heightofwiper 14
5.5.2
Wiper operation position 14
5.6
Adjustment
of Forward and Reverse
Stitch
Lengths 14
5.7 Adjustment of Feed Dog Inclination 14
5.8 Timing of Feed 15
5.9
Hook, Bobbin Case,
and
Bobbin
15
6.
TROUBLESHOOTING
16
x.itsuajii!
Major
Part
Names
1.
Arm
4.
Take-up
Thread
7.
10.
Needle
13.
Eccentric
16.
Feed
19.
Balance
22.
Connecting
25.
Vertical
28.
Hook
31.
Thread
shaft
guide
bar
lifting
wheel
shaft
shaft
trimmer
lever
shaft
fork
rod (feed lifting)
cam
2.
Pretension
5. Presser
8.
Presser
11.
Presser
14.
Feed
17.
Feed
20.
Synchronizer
23.
Reverse
26.
Feed
29.
Thread
bar
bar
foot
rock
rock
sewing
lifting
trimmer
spring
lifter
shaft
shaft
rock
crank
lever
shaft
solenoid
(left)
3. Presser bar regulating
6.
Tension
9.
Presser
12.
Feed
15.
Feed
18.
Thread
21.
Feed
24.
Connecting
27.
Lubricating
30.
Knee
regulator
bar
bar
dog
guide
regulating
rod
pump
lifter
thumb
dial
(feed rock)
screw
2.
SPECIFICATIONS
Item
Material
Max.
Max,
Needle
Presser
Knee
Thread
sewing
stitch
bar
stroke,
foot
lifter/Manual
Needle
Hook
Bobbin
Bobbin
trimmer'
weight
speed,
length,
stroke,
case
—
spm
mm
mm
mm
Model
LS2-180-MIT
Lighttomedium
5,000
0to4
DBX1-2
Fully-rotating
Standard
With idle
automatic
(for
running
Standard
Madeofaluminum,
Rotary scissoring by levt movable knife and right fixed blade
31.8
#14
thread
prevention
for
LS2-180-MITW
heavy
11/6
lubrication
trimmer)
spring
thread
trimmer
LS2-180-HIT
Heavy
3,500
33.0
Fully-rotating,
automatic
Hevy
(for
trimmer)
With
idle
prevention
Heavy
Madeofsteel,
thread
DBX1
lobrication
thread
running
spring
trimmer
for
0to7
#22
automatic
thread
LS2-180-BIT
Heavy
3,000
35.0
13/6
Fully-rotating,
Hevy, large
lubrication
thread
trimmer)
With
idle
running
prevention
Large
Madeofsteel,
trimmer,
(for
spring
for
large
Thread
trimmer
Knife
drive
Touch-back
Wiper
starting
Solenoid
~
O
Cam
actuation
drive
O
—
—
3.
3.1
THREAD
Electric
TRIMMER
Section
SYSTEM
LS2-180-MITW
V
Part
Names
(T)
(4)
@
@
©
®
Sewing
Balance
Wiper
Control
Pedal
Phase
machine
wheel
solenoid
box
reversing
plug
(2)
Touch
(5) Synchronizer
(8)
Motor
0)
Machine
@
Switch
switch
cord
panel
plug
@
Back
(§)
Thread
(9)
Drive
@
Synchronizer
@
POWER
solenoid
trimmer
pulley
ON/OFF
solenoid
cord
plug
pushbutton
^0^
3.2
Machine
Head
Section
(1)
Part
Names
1.
Thread
4.
Pedestal
7. Knife
10.
Stopper
13.
Knife
16.
Driving lever
tension
driving
base
crank
(left)
release
2.
5.
8.
11.
14.
17.
Flexible
Movable
Cam
follower
Fixed
Knife
Thread
14 15
wire
knife
blade
driving
trimmer
16
(left)
crank
bracket
shaft
solenoid
(1)
3. Needle
6.
Fixed
9.
Cam
12.
Link
15.
Coil
bar
blade
follower
spring
connecting
crank
(2)
link
guide
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