Read Sharp R-754M (serv.man2) Service Manual online
R-754M - 22
CAUTION:
• Make sure that no swarf from the rotor enters
the gap between the rotor & stator of the fan
motor.
motor.
• Avoid touch the coil of the fan motor with the
pliers as the coil may become cut or damaged.
• Avoid deforming the bracket whilst using the
pliers.
2) Remove the fan blade assembly from the shaft of
the fan motor by pulling and rotating the fan blade
with your hand.
with your hand.
3) Now, the fan blade is free.
CAUTION:
• Do not reuse the removed fan blade as the
• Do not reuse the removed fan blade as the
fixing hole may be oversize.
12.Remove the two (2) screws holding the fan motor to the
fan duct.
13.Now, the fan motor is free.
INSTALLATION
1. Install the the fan motor to the fan duct with the two (2)
screws.
2. Install the fan blade to the fan motor shaft according to
the following procedure.
1)
Hold the centre of the bracket which supports the
shaft of the fan motor on a flat table.
shaft of the fan motor on a flat table.
2)
Apply the screw lock tight into the hole (for shaft) of
the fan blade.
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.
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-
• 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.
• Make sure that the axis of the shaft is not
slanted.
3. Insert the tabs of the capacitor holder to the fan duct.
4. Install the fan duct to the oven cavity back plate with the
4. Install the fan duct to the oven cavity back plate with the
one (1) screw.
5. Install the capacitor holder to the oven cavity back plate
with the one (1) screw.
6. Re-install the chassis support to the oven cavity and
the magnetron with the two (2) screws.
7. Install the noise filter to the fan duct and the chassis
support with the one (1) screw.
8. Re-connect the wire leads to the fan motor.
Removal
1. Disconnect the oven from the power supply.
2. Remove the turntable from the oven cavity.
3. Turn the oven over.
4. Cut the four (4) bridges holding the turntable motor
1. Disconnect the oven from the power supply.
2. Remove the turntable from the oven cavity.
3. Turn the oven over.
4. Cut the four (4) bridges holding the turntable motor
cover to the base plate with cutting pliers as shown in
Figure C-2(a).
Figure C-2(a).
Figure C-2(a). Turntable motor cover removal
CAUTION:
WHERE THE CORNERS HAVE BEEN SNIPPED OFF
BEND CORNER AREAS FLAT. NO SHARP EDGE MUST
BE EVIDENT AFTER REMOVAL OF TT MOTOR COVER.
WHERE THE CORNERS HAVE BEEN SNIPPED OFF
BEND CORNER AREAS FLAT. NO SHARP EDGE MUST
BE EVIDENT AFTER REMOVAL OF TT MOTOR COVER.
DO NOT DROP THE TURNTABLE MOTOR COVER
INTO THE OVEN AFTER CUTTING THE BRIDGES.
BECAUSE IT WILL DAMAGE THE WIRE LEADS OF THE
MOTOR AND IT IS DIFFICULT TO REMOVE IT OUT OF
THE OVEN.
5. Remove the turntable motor cover from the base plate.
6. Disconnect the wire leads from the turntable motor.
7. Remove the one (1) screw holding the turntable motor
INTO THE OVEN AFTER CUTTING THE BRIDGES.
BECAUSE IT WILL DAMAGE THE WIRE LEADS OF THE
MOTOR AND IT IS DIFFICULT TO REMOVE IT OUT OF
THE OVEN.
5. Remove the turntable motor cover from the base plate.
6. Disconnect the wire leads from the turntable motor.
7. Remove the one (1) screw holding the turntable motor
TURNTABLE MOTOR REPLACEMENT
Rear view
Side view
to the turntable motor angle.
8. Remove the turntable motor from the turntable motor
angle. Now, the turntable motor is free.
Re-install
1. Remove the any sharp edges on the turntable motor
1. Remove the any sharp edges on the turntable motor
cover and the base plate with the cutting pliers.
2. Re-install turntable motor by locating shaft onto turnta-
ble motoor shaft to the turntable motoor angle with the
one (1) screw.
one (1) screw.
3. Re-connect the wire leads to the turntable motor.
4. Insert the two (2) tabs of the turntable motor cover into
4. Insert the two (2) tabs of the turntable motor cover into
the slits of the base plate as shown in Figure C-2(b).
5. Re-install the turntable motor cover to the base plate
with the screw (LX-EZA045WRE0) as shown in Figure
C-2(b).
C-2(b).
Gap
Rotor
Bracket
Stator
Groove joint pliers
Coil
Shaft
Axis
Stator
Rotor
These are the positions
that should be pinched
with pliers.
that should be pinched
with pliers.
Shaft
Table
Center of
bracket
bracket
Figure C-2(b). Turntable motor cover re-install
Cutting pliers
Bridges
Bridges
Turntable motor
cover
cover
Screw;
LX-EZA045WRE0
LX-EZA045WRE0
Turntable motor cover
Base plate
Tabs
Slits
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
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