(5)
Kinds
of
motor pulleys,
belts
and
frame
support
plate
bolts
1)
Motor
pulleys
and
belts
MO-6.600S(R)
Sewing
speed
of
50Hz
60Hz
sewing machine
Outside
d'iameter
V-belt
Outside
diameter
V-belt
ol
motor pulley
of motor pulley
(rpm)
mm
(Etreclive
Semi-sunken
Fully-sunken
mm
(Effective
Semi-sunken Fully-sunken
diameter
mm)
type
mm
{inch)
type
nm
(inch)
diamctermm)
type
mm
(inch)
type
mm
(inch)
8500
160
(155)
1016
(40)
914(36)
135
(130)
965(38)
864
(34)
8000 150 (145)
1016 (40)
864
(34) 125 (120)
965
(38}
813
(32)
7500
140
(135)
965(38)
864 (34) 120
(115)
965(38) 813 t32}
7000
130
(125)
965 (38)
864(34}
110 (105)
914
(36}
813(32)
6500 120 (115)
965(38)
813 (32) 100
(95)
914
(36)
813 (32)
6000
110 (105) 914 (36)
813{32)
95(90)
889(35)
762
(30)
5500
100
(95)
914 (36)
813
(32)
85 (80)
889 (35) 762
(30)
5000
90
(85)
889(35) 762(30)
BO
(75)
864(34)
762 {30)
4500
85(80) '889
(35}
762(30) 70
(65)
864(34)
762(30)
4000
75
(70)
864(34)
762 (30) 60 (55)
864(34)
~(29)
MO-6900G(J)
Sewing speed
of
50
Hz
60
Hz
sewing machine
Outside
diameter
V-belt
Outside diameter
V-belt
of
motor pulley of motor pulley
(rpm}
mm
(Effective
Semi-sunken Fully-sunken
mm
(Effective
Semi-sunken Fully-sunken
diameter
mm)
type
mm
(inch)
type
mm
(inch)
diameter
mm)
type
mm
(inch)
type
mm
(inch)
6000
125
(120)
965
(38) 864 (34)
105
(100)
914(36)
838
(33)
5500
115 (110)
940
(37)
838(33)
95 {90}
914(36)
813(321
5000
105 (100)
914
(36)
838 '33}
85(80)
889(35)
787(31)
4500
95
(90) 914 (36)
813(32)
80(75)
889(35)
787
(31)
4000
85
(80)
889 (35)
787
(31)
70(65)
889
(35) 787
(31)
•
Use
a motor of 3/4
HP
(550
W)
when the sewing machine runs at 7,000 rpm
or
higher speed.
Use
a motor of 1/2
HP
(400 W) when the sewing machine runs
at
a speed lower than 7,000 rpm.
(Caution) If a
motor
of
less
than
400W
is
used,
in
the
low tenperature
area,
viscosity
of
oil
increases
and the sewing speed may not increase
or
the sewing machine
may
fail
to
run
in
some
cases.
• Part No.
of
motor pulley
MTKPOxxxOOO
(Enter the effective diameter to
"xxx.")
If
the outside diameter of the motor pulley is 150 mm,
the
effective pulley
will
be
145
.
..... So, the part No. will be MTKP0145000.
If
the
outside diameter of the motor pulley is 90 mm, the effective pulley will
be
085 .
. ... . So,
the
part No. will be MTKP0085000.
* Part No.
of
belt
MT
JVMOOxxOO
(Enter a number that shows the belt length to
"xx,")
If the belt length is 1 O 16
mm
( 40 inches), enter "40"
to
"xx."
..... So,
the
part No. will be MTJVM004000.
If the belt length
is
889 mm (35 inches). enter "35" to
"xx."
..... So,
the
part No. will be
MT
JVM003500.
-72-
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