Sharp R-4H55 Service Manual page 31

3) Now, the fan blade will be free.
CAUTION:
* Do not use this removed fan blade again.Because
the hole(for shaft) of it may become bigger than a
standard one.
11 .Remove the two (2) screws and nuts holding the fan
motor to the fan duct.
12.Now, the fan motor is free.
INSTALLATION
1. Install the fan motor to the fan duct with the two (2)
screws and nuts.
2. Install the fan blade to the fan motor shaft according the
following procedure.
1) Hold the center of the bracket which supports the shaft
of the fan motor on the flat table as shown in Figure C-
3(b).
2) Apply the screw lock tight into the hole(for shaft) of the
fan blade.
Rear view
Side view
.m
R-4X5.5
R4X55B
3) Install the fan blade to the shaft of fan motor by pushing
the fan blade with a small, light weight, ball peen ham-
mer or rubber mallet.
CAUTION:
l
Do not hit the fan blade strongly when installed
because the bracket may be transformed.
* Make sure that the fan blade rotates smooth after
installed.
l
Make sure that the axis of the shaft is not slanted.
3. Re-nstall the main wire leads into the hole in the fan
duct.
4. Re-install the fan duct to the oven cavity.
5. Re-install the magnetron air guide to the oven cavity
with one (1) screw.
6. Re-install the snap band of the.wire leads to the oven
lamp to the hole of the oven cavity.
7. Re-install the H.V. wire A and filament lead into the
holes in the fan duct and then re-connect them to the
magnetron, referring to the pictorial diagram.
8. Re-connect the wire leads to the fan motor, referring to
the pictorial diagram.
\
These are ese are the position the position
-where should be
pinched with pliers
/
&Shaft
1.
2.
3.
Figure C-3(a). Fan motor Removal
Figure C-3(b). Fan motor Install
POSITIVE LOCK@ CONNECTOR REMOVAL
Pushing the lever of positive lock@ connector.
H Termina'
Pull down the connector from the terminal.
Now, the connector is free.
Note: If the positive lock@ has a insulation sleeve, first
remove it. If you do not so, you can not push the
lever of positive lock@.
CAUTION: THE POSITIVE LOCK@ TERMINAL CAN NOT
BE DISCONNECTED BY ONLY PULLING.
BECAUSE ONCE YOU (SERVICE PER-
SONAL) HAVE CONNECTED THE POSI-
TIVE LOCK@ CONNECTOR TO THE TERMI-
NAL, THE POSITIVE LOCK@' CONNECTOR
HAS BEEN LOCKED.
Figure C-4. Positive lock@ connector
CONTROL PANEL ASSEMBLY REMOVAL
1. CARRY OUT 3D CHECKS
3.
2. Disconnect the main harness and low voltage harnes
from the control panel.
4
Remove the single (1) screw holding the control panel
to the oven cavity.
Lift up the control panel assembly and pull it forward.
Now, the control panel assembly is free.
29