Spindle Oil. Remove the right side arm cover, remove the screw d),
Fig. 2, of the needle driving pulley, check the grease level and replenish
it, if required.
Also, loosen the machine
arm
and
bed set screw ®, Fig. 1,
and
il"
the
machine is tilted as shown in Fig. 4, you can sec the driving
gear
(T)
and
the looper shaft driven
gear
(2).
Grease these gears too. Some
times check
and
see if the oil comes up to the surface of the felt inside
the machine sub-base and if not, fill up with oil.
=
6.
MOTOR
PULLEY
AND
BELT
For connecting directly to the power source, use an electric
motor of 3-phase 1/4
HP.
The
relation between the
number
of
rotation
of the
machine
with
the
effective
diameter
of the
motor
pulley
is
shown
in the
table
below.
(Effective
diameter
of
the
motor
pulley
means
the
diameter
measured
from
the
center
of
the
belt
when
it
is
wound
around).
— 5 —
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