@-I
@-
2
4.
Removing
tha
belt
AI
Bl
o
j
El
0
OO!
•
<=
0
0
Fig.
14
4
.1
Rem()Ve the
pulley spring
clamp screw and pull
off
the pulley
spring.
4.2 .l.oo5eo
the
right and left
pulley bearing
clamp screws.
4.3 Rem()ve
the
belt
connecting
pin
and pull off
the
belt.
4.4
Take
care
ll()t
to
lose the rubber washer
on
the pulley shaft.
-
22-
Name
of
plllts
@)·1
Pulley leaf
spring;
pulley leaf spring
clamp
screw
<D-2 Pulley bearing clamp
Me-asure
the distance between the needle
selector plate holder and
the
needle
b<d
lower plate with
~ caliper~
(Points
of
measwement:
right
and
left
onds and
the oentu.)
Fig.
15
screw
Meuurement
of
the distance between the
needle
aele<:tor plate
holder
and the
~le
bed
lower
plate.
Measwe
the above distance
with
slide
calipers
and
jot down
the
result.
When reassembling
this section,
see
to
it
that the
same
distance will
be
reproduced.
..
·.
·~--:.
·
..
£