Sharp R-4P58 - Page 26

7. Remove the magnetron from the waveguide with care
so
the
magnetron
aniennais
not
hit
by
any
metal
object
around
the
antenna.
CAUTION:
WHEN
REPLACING
THE
MAGNETRON,
BE
SURE
THE
R.F.
GASKET
IS
IN
PLACE
AND
THE
MAGNETRON
MOUNTING
SCREWS
ARE
TIGHTENED
SECURELY.
CONTROL
PANEL
ASSEMBLY
REMOVAL
CONTROL
UNIT
free.
1.
CARRY
OUT
3D
CHECKS.
9,
Release
the
two
(2)
tabs
of
the
LCD
holder
from
the
2.
Disconnect
the
main
wire
harness
and
the
stop
switch
control
unit
(main
wiring
board).
harness from the control unit.
10.Release
the
two
(2)
tabs
of
the
LCD
holder
from
the
3.
Disconnect
the
flat
ribbon
cable
from
the
connector
G.
control
unit
(LED
wiring
board).
4.
Remove
the
five
(5)
screws
holding
the
control
unit
to
11.Now,
the
LCD
holder
and
the
control
unit
are
free.
the
control
panel.
5.
Release
the
two
(2)
tabs
holding
the
control
unittothe
©
T/C
KEY
ASSEMBLY
control
panel.
13.Removethe
five
(5)
screws
holding
the
T/C
key
assem-
6.
Remove
the
solder
holding
the
liquid
crystal
display
bly
to
the
control
panel.
(LCD)
to
the
control
unit.
14.
Now,
the
T/C
key
assembly
is
free.
7.
Remove
the
liquid
crystal
display
from
the
LCD
holder.
8.
Now,
the
liquid
crystal
display
and
the
LCD
sheet
are
FAN
MOTOR
REPLACEMENT
“yy
REMOVAL
Because
the
hole
(for
shaft)
of
it
may
be-
“
come
bigger
than
a
standard
one.
1.
CARRY
OUT
3D
CHECKS.
SiN
a4
10.Remove
the
two
(2)
screws
holding
the
fan
motor
to
the
2.
Remove
the
one
(1)
screw
holding
the
noise
filter
to
the
fan
duct
chassis
support.
:
3.
Release
the
noise
filter
from
the
tab
on
the
fan
duct.
11.Now,
the
fan
motor
Is
tree.
4.
Disconnect
the
wire
leads
from
the
fan
motor.
INSTALLATION
5.
Remove
the
one
(1)
screw
holding
the
capacitor
holder
to
the
oven
cavity
back
plate.
1.
Install
the
fan
motor
to
the
fan
duct
with
the
two
(2)
6.
Remove
the
one
(1)
screw
holding
the
fan
duct
to
the
SCTEWS.
oven
cavity
back
plate.
2.
Install
the
fan
blade
to
the
fan
motor
shaft
according
7.
Release
the
tabs
of
the
capacitor
holder
from
fan
duct.
to
the
following
procedure.
8.
Remove
the
fan
duct
from
the
oven.
1)
Hold
the
centre
of
the
bracket
which
supports
the
9.
Remove
the
fan
blade
from
the
fan
motor
shaft
accord-
shaft
of
the
fan
motor
on
a
flat
table.
ing to the following procedure.
1) Hold the edge of the rotor of the fan motor by using
a pair of groove joint pliers.
CAUTION:
« Make sure that any pieces do not enter the gap
between the rotor and the starter of the fan
motor. Because the rotor is easy to be shaven
by pliers and metal pieces may be produced.
» Do not let the pliers touch the coil of the fan
motor because the coil may be cut or dam-
2) Apply the screw lock tight into the hole (for shaft) of
the fan blade.
3) Install the fan blade to the shaft of fan motor by
pushing the fan blade with a small, light weight, ball
peen hammer or rubber mallet.
CAUTION:
« Do not hit the fan blade when installing be-
cause the bracket may be deformed.
* Make sure that the fan blade rotates smoothly
after installation.
aged.
a
»
Make
sure
that
the
axis
of
the
shaft
is
not
»
Do
not
distort
the
bracket
by
touching
with
the
slanted.
pliers.
3.
Install
the
fan
duct
to
the
oven
cavity
back
plate
with
the
2)
Remove
the
fan
blade
from
the
shaft
of
the
fan
motor
by
pulling
and
rotating
the
fan
blade
with
your
hand.
3) Now, the fan blade will be free.
Side view |
Rear view
one (1) screw.
4. Insert the tabs of the capacitor holder to the fan duct.
5. Install the capacitor holder to the oven cavity back plate
with the one (1) screw.
4. Install the noise filter to the fan duct and the chassis
support wit the oné (1) screw.
5. Re-connect the wire leads to the fan motor.
SEPP EIS EIT
Sees
Shaft
These
are
the
position
u}
Axis
==
whereshouldbe
pinched
Table
Center
of
SS
with
pliers
bracket