I.
SETTING
UP
THE
MACHINE
1.
Installation
of
the
machine
head
Not
only
the
machine
head
but
also
the
oil reservoir
and
the
bobbin
winder
are
installed
on
the
table in the same way as
that
of the general lockstitch machines. Please refer to the separate
Instruction
Book
for
model
DDL-555, DLN-415,
DLU-450
or DLD-432.
Set up
the
spool
stand
on
the
machine
table
by
making
use
of
the
installation
hole
as
shown in the illustration. Do
not
tighten the
lock
nut
too
much,
or
the
laminated
surface
of
the table
top
will be cracked.
Z
Motor
pulley
and
belt
The maximum sewingspeed of the
DDL-555-4
and,
DLN-415-4
is 5,000 s.p.m. and
DLU-450-4
and DLD-432-4 is
4,200
s.p.m.
You must use the M-type V-belt
The under mentioned table indicates the maximum sewingspeeds related to the motor pulleys
and the length of belts. The effective diameter of the motor
pulley
is obtained by deducting
5mm(13/64")
from
the
outer
diameter.
Outer
diameter
of
motor
pulley
Motor
pulley
Part
No.
Sewing speed
Belt
length
Belt
Part
No.
50
Hz
60
Hz
125mm
MTS-P01200A0
5,060
s.p.m.
43"
MTJ-VM004300
115
MTS-POllOOAO
4,630
42"
MTJ-VM004200
105
MTS-POIOOOAO
4,250
5,040
s.p.m.
100
MTS-P00950AO
4,000
95
MTS-P00900A0
3,820
4,540
90
MTS-P00850A0
3,610
4,320
85
MTS-P00800A0
3,390
4,000
41"
MTJ-VM004100
80
MTS-P00750AO
3,160
3,790
75
MTS-P00700A0
3,520
(Note) The center hole on the motor pulley is tapered, and the normal pulleys commercially
available
in
the
market
can
not
be
used
for
these
machines.
If the belt is too long, the connecting rod may not work smoothly.
- 1 -
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