3. Motor pulley
and
the
belt
When
connected
directly
to
the
power
source,
use an electric clutch motor of 3-phase 1/2 HP
(400 W). The dimensions
of
the
motor
pulley
and the belt (M type) are shown in the table
below.
Number
of
rotation
of
machine
(s.p.m.)
50
Hz
60
Hz
Motor
pulley
P.C.D.
(mm)
M-type
belt
(inch)
Motor
pulley
P.C.D.
(mm)
M-type
belt
(inch)
Desk
type
All-
sunken
type
Desk
type
All-
sunken
type
5,000
105
36
32
90
34
30
5,500
115
38
32
100
36
32
6,000
125
38
34
110
36
32
6,500
135
38
34
120
38
32
7,000
145
40
34
125
38
32
7,500
155
40
36
135
38
34
(Note)The dimension of the motor pulley isshownin
P.C.D.
system(outer diameteris
P.C.D.
+ 5.5 mm)and the
M-belt
dimensionin inches.
4.
How
to
Install
the
head
Vibration
absorbmg
.11
rubber
jB:'
1
Frame
support
plate
Oil
reservoir
2
support
I. When installing the machine
head,
insert the vibration absorb
ing
rubber
to the hole
of
the oil reservoir.
5.
Starting
pedal
and
presser
foot
lifting
pedal
Starting
pedal
Presser
foot
lifting pedal
Install the starting pedal to the left side and the presser foot
lifting pedal to the right sideas you face the flgure.
Direction
of
rotation
/a
Hand
wheel
Guideplateset
screw
V—
2.
Loosen
the
belt
guide plate
set
screw
and
put
the
belt
on.
When
the
belt
is
put
on,
lower
the
guide
plate
to
the
bottom
and
tighten
the
set
screw.
Presser
foot
lifting
lever
S-shaped
hook
Cjiain
Attach the chain of the presser foot lifting pedal to the hole at
the top of the presser foot lift lever by hooking it up with a
S-shaped
hook
as
shown
in the figure.
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