Sharp R-4H54 - Page 26

R-4H54
FAN MOTOR REPLACEMENT
REMOVAL
::
3.
4.
5.
6.
7.
8.
CARRY OUT 3D CHECKS.
Disconnect the wire leads from the fan motor and
thermal cut-out.
Remove the two(2) screws holding the fan duct
assembly to the oven cavity.
Release the fan motor assembly from the oven cav-
ity.
Remove the one (1) screw from the thermal cut-out
angle.
Remove the fan blade from the fan motor shaft ac-
cording the followinn procedure.
1)
Hold the edge o? the rotor of the fan motor by
using a pair of grove joint pliers as shown Fig-
ure C-l 1 (a)
CAUTION:
2)
3)
l Make sure that any pieces do not enter
the gap between the rotor and the
stator of the fan motor. Because the
rotor is easy to be shaven by pliers and
metal pieces may be produced.
l Do not touch the pliers to the coil of
the fan motor. because the coil may
be cut or injured.
l Do not transform the bracket by
touching with the pliers.
Remove the fan blade from the shaft of the fan
motor by pulling and rotating the fan blade with
your hand.
Now, the fan blade will be free.
CAUTION:
l Do not use this removed fan blade
again.
Because the hole(for shaft) of
it may become bigger than a standard
one.
Remove the two(2) screws holding the fan motor
to the fan motor angle.
Now, the fan motor is free.
roove joint pliers
Figure C-l 1 (a) Rear view
Figure C-l 2.
Axis
hese are the
where should
inched with
position
be
pliers.
Rotor ’
Figure C-l 1 (b) Side view
INSTALLATION
I.
2.
3.
4.
5.
Install the fan motor to the fan motor angle with the
two( 2) screws.
Install the fan blade to the fan motor shaft accord-
ing the following procedure.
1)
2)
3)
Hold the center of the bracket which supports
the shaft of the fan motor on the flat table as
shown in Figure C-l 2.
Apply the screw lock tight into the hole(for
shaft) of the fan blade.
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:
l Do not hit the fan blade strongly when
installed because the bracket may be
transformed.
l Make sure that the fan blade rotates
smooth after installed.
l Make sure that the axis of the shaft is
not slanted.
Install the thermal cut-out angle to the fan motor
with the one (1) screw.
Install the fan motor angle to the oven cavity with
the two(2) screws.
Connect the wire leads to the fan motor and the
thermal cut out, referring to the pictorial diagram.
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