Sharp VC-780E - Page 23

ca
ole ee
@ Reassembly
1.
Turn
the
master
cam
@
all
the
way
counter-
clockwise.
2.
Match
the
tally
mark
on
the
cam
switch
M
with
the
mating
mark.
Fit
the
loading
block
and
the
master
cam
with
each
other.
Tighten
up
the
three
screws.
3.
Finally
connect
the
leads
and
apply
the
cassette
loading
belt.
Notes:
1.
Be
careful
not
to
scratch
the
gear.
2.
Be
careful
not
to
stain
the
belt.
If
dirty,
clean
it
up.
REPLACEMENT
OF
LOADING
MOTOR
Removal
.
Remove
the
loading
block.
. Undo the loading belt.
_Unsolder
the
leads
from
the
loading
motor
©.
Unlock
the
left
and
right
catches
of
the
cam
switch
@
off
the
loading
block.
Take
out
the
loading
block
PWB
@.
PWN — @
1) Loading motor
(a)
(b)
3.0+0.! mm
{c)
Note: ;
1.
Press-tit
the
loading
motor
pulley
to
the
dimension
specified
in
Fig.
1-33{(c).
2.
Keep
the
pressure
on
the
part
(A)
{see
above}
less
than
5
kg.
Figure 1-33.
23
VC-790ET
5.
Put
the
tip
of
a
bladed
screwdriver
or
the
like
-jnto
the
opening
®
shown
in
Fig.
1-33
(a).
Pry
up
the
back
end
of
the
loading
motor
@
and
take
out
the
motor.
@ Reassembly
1.
Place
the
loading
motor
so
that
its
label
is
visible
as
ahown
in
Fig.
1-32.
Note:
Make
sure
that
the
screw
hole
at
the
motor
shaft
and
the
protuberance
on
the
loading
block
are
properly
engaged
and
that
the
notch
at
the
loading
motor
end
and
the
part
©
of
the
loading
block
are
also
fitted
together.
2.
Set
up
the
loading
block
PWB
@
and
the
cam
switch
@
in
position.
3.
Resolder
the
leads
to
the
loading
motor.
4.
Finally
place
the
loading
block
in
position.
REPLACEMENT
OF
MASTER
CAM
e@ Removal
1.
Remove
the
loading
block.
2.
Remove
the
E
ring
@
and
then
the
haif-loading
reciprocating
lever
@.
:
Note:
There
is
no
need
to
take
out
the
half-loading
drive
lever.
3.
Remove
the
E
ring
@®
first
and
then
the
pinch
roller
lever
@.
4.
Finally
pull
out
the
master
cam
@
upward.
@ Reassembly
1.
Place
the
relay
gear
drive
lever
in
the
unloading
state
as
shown
in
Fig.
1-31.
2.
Set
the
relay
shifter
lever
@
to
the
main
chassis;
the
shifter
lever
should
be
adjusted
to
the
reverse
quide
spring
hole
in
the
main
chassis.
Then
place
the
master
cam
so
that
the
cut-off
part
of
the
boss
©
should
face
the
direction
of
arrow
=
©.
3.
Place
the
half-loading
reciprocating
lever
M
so
that
its
cam
follower
comes
in
the
outermost
cam
groove.
Now
attach
the
E
ring
@.
Note:
Preferably
hook
the
half-loading
reciprocating
spring
©
before
attaching
the
lever.
It
is
easter
to
set
up.
4.
Turn
the
master
cam
@
somewhat
clockwise
until
the
pinch
roller
lever's
cam
follower
comes
into
the
master
cam's
groove
©).
Then
attach
the
E
ring
©.
|
5.
Rotate
the
master
cam
@
by
hand
to
make
sure
all
the
four
levers
(relay
gear
drive
lever,
relay
shifter
lever,
half-loading
reciprocating
lever
and
pinch
roller
lever)
are
right
in
the
cam
grooves.
6. Finally set up the loading block.