JUKI Union Special MFC-7406, Union Special MFC-7407, Union Special MFC-7602, Union Special MFC-7605 Instruction Manual
2-3
Finest Quality
Needle
Cylinder
Bed
LIUKI
Coverseam
Machine
MFC-7000A
INSTRUCTION MANUAL
Series
NOTE: Read
before
Retain
REV.10/31/01
safety
using
this
instructions
your
MFC-7000.
Instruction
carefully
Manual
for
and
understand
future
them
reference.
OP0113
PREFACE:
This
operator's
This
manual explains in detail
adjustments
manual has been prepared
and reference letters are used
the
proper
to
guide
settings
to
point
you
for
operation
out
while
operating
specific
of
the
items
the
MFC-7000 Series machines.
machine.
discussed.
Illustrations
are used
to
show
the
Careful attention
maintain
Adjustments
performed
This
incorporate a slight
On
machine.
the
manual has been
the
following
to
superior
and cautions are presented in
out
of
sequence may have an adverse
pages
CONTENTS
PREFACE:
SAFETY
................................................................................................................................................................. 2
RULES
.......................................................................................................................................................... 3
SPECIFICATIONS:
MOTOR
TABLING
CAUTION
OPERATOR'S
ROTATION:
OPERATING
OPERATING
OPERATING
LUBRICATION:
LUBRICATION
INSERTING
THREADING
THREADING
DIFFERENTIAL
ADJUSTING
PRESSER
ROLLER
PULLER
PULLER
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT
ADJUSTING
ADJUSTMENT
MAINTENANCE:
PULLEY
AND V BELT:
INSTALLATION:
AREAS:
DAILY
.............................................................................................................................................................. 7
CAUTIONS:
CAUTIONS
THE
PEDALS:
......................................................................................................................................................... 9
(CONT.):
NEEDLES:
THE
MACHINE:
THE
MACHINE
FEED
THE
STITCH
FOOT
PRESSURE
PRESSURE
LIFTER
STIITCH
LEVER:
LENGTH:
OF
OF
OF
OF
OF
TAKE-UP
OF
....................................................................................................................................................
the
instructions
performance and reliability
comprised
modification
will
be
found
and
cautions
sequence
on
the
basis
of
configuration
illustrations
designed
effect
of
available
in
and
for
operating and
and
so
that
a logical
on
the
information.
illustrations
terminology
built
into
progression
function
or
cautions.
used
adjusting
every
of
the
other
Changes
in
describing
these
machines
Union
Special machine.
is
accomplished.
related parts.
in
design
operating
and/or
will
enable you
Some
adjustments
improvements
instructions
for
may
your
.................................................................................................................................................... 4
.................................................................................................................................. 4
................................... .-..................................................................................................... 5
................................................................................................................................................... 6
CHECK
UST:
.................................................................•........................................................... 7
......................................................................................................................................... 7
(CONT.): .......................................................................................................................... 8
......................................................................................................................................... 8
........................................................................................................................................
.............................................................................................................................................
.................................................................................................................................
(CONT.): ...................................................................................................................
MECHANISM:
LENGTH:
AND
ADJUSTING
........................................................................................................................
.........................................................................................................................
LIFTER:
KNOB:
.................................................................................................................
.................................................................................................................
............................................................................................................................................
.......................................................................................................................................
LOOPER
NEEDLE
LOOPER
NEEDLE
SPREADER:
GAUGE:
BAR
AND
GUARD:
......................................................................................................................
HEIGHT:
NEEDLE:
................................................................................................................
.............................................................................................................
.......................................................................................................................
................................................................................................................................
CAM: ..................................................................................................................................
THREAD
GUIDE:
........................................................................................................................
10
11
12
13
14
14
15
15
16
17
18
18
19
19
20
21
22
23
to
2
l.
Before
of
each
putting
machine
the
machines
is
only
described
permitted
after
in this
taking
SAFETY
manual
notice
RU
into
of
LES
service,
the
instructions
carefully
and
read
by
the
instructions. The starting
qualified
operators.
IMPORTANT!
2.
Observe
3.
The sewing
been
ascertained
the
EC
Council
Each
machine
described
the
description,
4.
All safety
of
the
machine
5.
Wear
safety glasses.
6.
In
case
of
and
changes
7.
The
warning
Before putting the
and
inslruction from the motor supplier.
the
national
machines
in
paragraph
devices
machine
are
hints
safety rules
described
that
the
Directives (89/392/EEC,
is
only
allowed
is
not
as foreseen.
must
be
without
conversions
made
in
the
instructions
in this instruction
sewing units
to
"STYLES
the
at
OF
in
position
appertaining
and
your
own
valid
for
which
Annex
be
used
MACHINES"
when
changes
risk.
are
marked
machine
your
country.
these sewing
II
as
foreseen. The foreseen use
the
machine
safety
all
into service, also read the safety rules
manual
B).
of
devices
valid
with
are
prohibited
machines
this instruction
is
ready
is
prohibited.
safety
one
rules must
of
these
manual.
for
two
from
will
be
of
work
or
be
symbols:
being
put
built
into,
the
particular
Another
in
considered.
use,
operation.
into
service until
have
conformed
machine
going
beyond
Operation
Conversions
is
it
has
with
8.
When
doing
the
main
8.1
When
8.2 When
needle
8.3 When
8.4 When
8.5 When using
9.
Maintenance,
skilled personnel
l
0.
Any
work
special skilled personnel.
11.
Work
on
in
the
12.
Before
nected
compressed
the
switch or
threading
replacing
guard,
leaving
doing
repair
on
the
parts
and
applicable
doing
maintenance
from
the
air supply (i.e.
following
by
maintenance
clutch
under
electrical
equipment
sections
compressed
the
pulling
needle(s), looper,
any
folder,
the
workplace
motors
and
conversion
consideration
equipment
of
pneumatic
machine
out
the
parts such as needle(s), presser
fabric
work.
without
under
standard
and
repair
air supply.
has
main
guide
and
when
actuation
work
of
must
electrical
sheet
work
equipment
to
be
plug:
spreader
etc.
the
(see
the
instructions.
be
done
power
DIN
on
In
case
disconnected
etc.
workplace
lock,
wait
item
8) must
by
an
is
not
VDE
0105.
the
pneumatic
of
existing residual air pressure
with
air tank),
from
foot,
throat
is
unattended.
until
the
be
done
electrician
permitted.
equipment
the
pressure has
the
power
plate,
motor
is
only
by
trained
or
under
Permissible
the
supply
looper, spreader,
stopped
direction
machine
to
by
turning
totally.
technicians
and
exceptions
has
after
disconnecting
be
removed
off
feed
or
special
supervision
are
described
to
be
discon-
by
bleeding.
dog,
of
from
3
SPECIFICATIONS:
Style Name MFC-7406 MFC-7407 MFC-7602
406 407
Type
Stitch
Machine Speed 6500RPM (MAX)
Sewing Speed * 6500RPM
Stitch Range 1.6 to 3.2 mm
Differential Ratio
Needle Spacing 3.2 4.0 4.8 5.6 6.4 3.2 4.0 4.8
Needle 128GBS075/032 (055/022 - 090/036)
Presser Foot Lift
Needle Bar Stroke
Lubricating Oil Prorex oil 39 (Part Number 28604R, Union Special Spec. 175)
2 Needle Bottom 3 Needle Bottom
Cover Stitch Cover Stitch
2 Needle
1 :0.3 - 1 :2.4
7.0mm
32mm
602
Top
& Bottom
Cover Stitch
(Texturized Thread)
3 Needle
MFC-7605
605
Top
& Bottom
Cover Stitch
5.6 6.4
1 Pint
Noise 87.2dBA max. (at 6500 RPM)
* Maximum speed
MOTOR
PULLEY
Sewing Speed
(RPM) Motor Pulley V Belt (inches)
6500
6000 135
5500 120
5000
4500
depends
AND V
O.D. (MM)
on
thread
and
material.
BELT:
50Hz 60Hz
Non-submerge
145 43
43
41
110
95
41
41
Motor Pulley
O.D. (MM)
120
110
100
90 39
80 39
V Belt (inches)
Non-submerge
4000 85 39 70 39
3500
75
39
60 38
41
41
41
1 .
Use
a M
type
V belt.
2.
The
table
on
the
left
shows
the
3.
4.
and
V belts with different lengths.
Note
that
the
effective
Use
JUKI
Clutch
motor
(400w).
sewing speeds
diameter
of
the
pulley
obtained
of
the
sewing
by
the
use
of
machine
motor
head
4
pulleys with
is
57.5mm.
different
diameters
TABLING
(l)
INSTALLATION:
NON
SUBMERGE
(PART NUMBER 21371ZJ48)
FOR
STANDARD
9
I
I
I
(2)
NON
SUBMERGE
(PART NUMBER 21371AAJ48)
FOR
ELASTIC
C)
I
~
=
9
I
I
5
CAUTION
AREAS:
~
CAUTION
6
OPERATOR'S
The
following should
•Oil
flow
•Oil
level
ROTATION:
DAILY CHECK
be
checked
• Lint
• •
• • Under
• •In knives
••In
LIST:
daily
area
Needle
thread
and
cleaned
(clean
bar
bushings • • In
feed
dogs & throat
as required when it applies
with compressed
air
plates
or
to
brush)
control eyelets
The
correct
the
handwheel
viewed
side.
from
NEVER
rotating
is
the
run
reverse direction.
your Juki Union Special machine:
•
Cooling
• • In
• • In
(package
direction
clockwise,
the
the
the
is
of
as
airways
machine
motor
cooling
an
extra
package
send
charge)
handwheel's
the
machine
in
OPERATING
OP026-94
CAUTIONS:
V
BELT
1.
Do
not
put
your
hand
needles
power
switch or
under the
when turning on
at
any
time.
the
2.
Do
not
sewing
is
running.
put
area
your
while
hand
the
into the
machine
3.
Turn
make
at
belt.
7
off
rest
the
sure
before
power
the
clutch
removing
switch
motor
and
the
is
V
OPERATING CAUTIONS
4.
During operation,
5.
Do not
been
6.
Before inspecting, adjusting,
Make
switch.
7.
Turn
8.
Do
operate
provided. Doing so
sure the flywheel on
DO
NOT
OFF
the
not
wipe
your
depress
power
the
machine
do
machine
switch
(CONT.):
not
allow
is
very
the
the
foot
when
surface with
head,
without
the
dangerous.
cleaning,
motor
has stopped, it will
pedal
you
leave
hands or
proper
threading
while
the
your
lacquer
any
instrument, tool
belt
guard, sewing guards or
the
head
or
replacing
be
kept
running
motor
is
running
machine
or
in
or
case
thinner.
etc.
near
needles, turn
by
it will
cause
of a power
handwheel, V belt
any
other protectors
OFF
the
inertia after turning
the
machine
to
failure.
and
motor.
that
have
power
OFF
the
switch.
power
rotate abruptly.
OPERATING
THE
PEDALS:
C
D
0
0
0
A
00
0 0 I
IUl!lr---
•--,1 :
1.
Locate
2.
Locate presser lifter
lifter
3.
Use
presser lifting lever
the
center
chain
is
S-shaped
of
drive
pedal
unobstructed.
hook
(C)
to
(E).
Depending
treadle
(B)
for
connect
(A)
to
be
in
operator
comfort
presser lifter
on
application.
line
with
and
pedal
the
chain
8
needles.
make
(D)
sure
to
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