Rotation
Part
No. of
motor
pulley
Effective dia.
of
machine
of
motor
pulley
4,200
s.p.m.
MTK-PV085000
85 ¢
4,
000
s.
p.m.
MTK-P0080000
80 ¢
60Hz
3,800
s.p.m.
MTK-PV075000
75
¢
3,400 s.p.m.
MTK-P0065000
65
¢
3,000
s.p.m.
MTK-
PV060000
60
¢
(Note)
For
the first one
month,
operate
the
LH-512 machine with a speed
of
less than
3,800
s.p.m.
For
LH-515, operate
the
machine with less than
3,000
s.p.m.
In the meantime, the machine will warm
up
appropriately.
3.
PREPARATION
FOR
OPERATION
(I)
Fill the oil reservoir with lubricating
oil
up
to
the level marked
with
"H",
take
an
urethane
foam sheet
out
of
the accessory box and place
it
under
the
hook
driving
shaft
saddles
to
absorb noise and dust.
(2)
Those machines which are
operated
for the first time
after
setting
up
or
after
a long period
of
disuse,
you
must apply 2
or
3
drops
of
oil
through
the oil holes
j)
as shown in
Fig.2.
Fig.
2
(3)
Provide
your
machine with
an
idle
run
after
pushing
up
the
presser
foot,
and
the
lubricating oil will be circulated slowly
to
the
oil gauge
within
2 ~ 3 seconds.
(4)
Precaution
o If
you
have
to
wait for 10 seconds
or
more until
you
observe
the
lubricating oil in
the oil gauge, verify the following points:
(a)
If
the volume
of
oil
is
too
short,
(b)
If
the
plunger
pump
is
normally running.
(If
the plunger has
not
been aligned with the groove on the
hook
driving shaft,
the
lubricating oil will
not
be delivered pl·operly. In such a case, correct the
position
of
the bushing on the
hook
driving shaft accordingly.)
o When the oil has reached the
"L"
mark
of
the
oil reservoir,
stop
running the
machine.
Be
sure
to
verify
that
the oil is completely filled
up
to
the
"H"
mark.
-4-
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