FIRST
OF
ALL
We thank you for purchasing JUKI MOSOOSeries machines.
Before operating this machine, please read and digest the contents
of
the INSTRUCTION BOOK thoroughly and
understand the functions
of
the machine and cherish it everlastingly.
SPECIFICATIONS
MO-804-DD4
MO-814-BD4
MO-816-DD4
Sewing speed
Up to 7,500 s.p.m. Up to
7,000
s.p.m. Up to
6,500
s.p.m.
Stitch
length
0.3 - 4
mm(l/64"-5/32")
Needle gauge
2.0mm(5/64")
3.2mm(l/8")
Overedging
width
3.2mm(l/8")
Ratio
of
differential
feed
Gather
sewing:
1:2
(Max.
1:4)
Stretch
sewing:
1:0.7
(Max.
1:0.6)
Needle
DCx27
(Standard)
DCxJ27
(In
case
of
fine
synthetic
thread)
Needle
bar
stroke
24.2
mm(61/64")
Lubricating
oil
New
Defrix
Oil
No.
2
* Manyother subclassmachinesare availableto meet all kinds of sewingrequirements.
5.
6.
7.
8.
9.
III.
1.
2.
3.
4.
5.
6.
7.
8.
IV.
V.
CONTENTS
HOW
TO
INSTALL
THE
MACHINE
1
How to install the
thread
stand,
complete
1
How to install
the
frame
support
plate
1
Motor
pulley
and
the
belt
2
How
to
install
the
head
2
Starting pedal
and
presser foot lifting pedal 2
HOW
TO
OPERATE
THE
MACHINE
3
Cautions
on
operation
3
Lubrication and drainage 3
How
to
install
the
needle
3
Threading
the
machine
3
MO-804
4
MO-814
5
MO-816
6
The
thread
tension
7
Presser
foot
and
feed dog 7
Adjusting
the
stitch
length
8
Adjusting
the
differential feed 8
Adjusting
the
differential
feed
ratio
9
ADJUSTING
THE
MACHINE
9
Knife and overedging width 9
Adjusting the needle guard 10
Adjusting the height
of
the needle 11
Matching
the
lower
looper
11
Matching the upper looper 11
Matching the double chain looper (In case of MO-816) 12
Adjusting the chain looper thread cam (In case
of
MO-816) 12
Adjusting the double chain looper avoiding motion (In case of MO-816) 12
MAINTENANCE OF THE MACHINE 13
CAUSES OF MALFUNCTIONS & CORRECTIVE MEASURES 13
SPECIFICATIONS (Applicable to all models) 13
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