Sharp R-27STM Service Manual page 16

R-27STM
6. Remove one (1) screw holding turntable motor to oven cav -
ity.
Remove the TTM packing from the turntable motor.
7.
8. Now, the turntable motor is free.
REINSTALL
Re-install the TTM packing to the turntable motor.
1.
Re-install the turntable motor with the TTM packing with the
2.
single (1) screw to the oven cavity bottom plate.
3. Re -connect the wire leads to the turntable motor.
4. Insert the tab of the turntable motor cover into the hole of
the bottom plate.
REMOVAL
1. CARRY OUT 3D CHECKS.
2. Disconnect the wire leads from the fan motor.
3. Remove the two (2) screws holding the fan motor to the
oven cavity back plate.
4. Remove the fan blade from the fan motor shaft according to
the following procedure.
5. 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 STA -
TOR OF THE FAN MOTOR. BECAUSE THE RO -
TOR IS EASY TO BE SHAVEN BY PLIERS AND
METAL PIECES MAY BE PRODUCED.
DO NOT TOUCH THE PLIERS TO THE COIL OF
THE FAN MOTOR BECAUSE THE COIL MAY BE
CUT OR INJURED.
DO NOT DISFIGURE THE BRACKET BY TOUCH -
ING WITH THE PLIERS.
6. Remove the fan blade from the shaft of the fan motor by
pulling and rotating the fan blade with your hand.
7. Now, the fan blade will be free.
CAUTION: DO NOT RE -USE THE REMOVED FAN BLADE BE -
CAUSE THE HOLE (FOR SHAFT) MAY BE LARG -
ER THAN NORMAL.
Coil
Stator
Gap
Bracket
Rotor
Rear View
REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the single (1) screw holding the green/yellow wire
to the oven cavity back plate.
3. Disconnect the leads of the power supply cord from the
noise filter, referring to the Figure C-3(a).
4. Release the moulding cord stopper of the power supply cord
from
the square hole of the oven cavity back plate, referring to
5.
the Figure C -3 (b).
R27STM.indd 16
COOLING FAN MOTOR REMOVAL
Groove joint pliers
Shaft
Axis
Stator
Rotor
Side View
POWER SUPPLY CORD REPLACEMENT
5. Re -install the turntable motor cover to the bottom plate with
one (1) screw.
Figure C-2. TTM packing Installation
8. Now, the fan motor is free.
INSTALLATION
1. Install the fan blade to the fan motor shaft according to the
following procedure.
Hold the centre of the bracket which supports the shaft of
2.
the fan motor on the flat table.
Apply the screw lock tight into the hole (for shaft) of the fan
3.
blade.
4. 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 STRONGLY WHEN
INSTALLED BECAUSE THE BRACKET MAY BE
TRANSFORMED.
MAKE SURE THAT THE FAN BLADE ROTATES
SMOOTH AFTER INSTALLED.
MAKE SURE THAT THE AXIS OF THE SHAFT IS
NOT SLANTED.
Install the fan motor assembly to the oven cavity back plate
5.
with two (2) screws.
6. Connect the wire leads to the magnetron and fan motor, re -
ferring to the pictorial diagram.
These are the positions
that should be pinched
with pliers.
Table
6. Now, the power supply cord is free.
REINSTALL
1. Insert the moulding cord stopper of power supply cord into
the square hole of the rear cabinet, referring to the Figure
C -3 (b).
2. Install the earth wire lead of power supply cord to the oven
cavity back plate with one (1) screw and tight the screw.
3. Connect the brown and blue wire leads of power supply cord
to the noise filter correctly, referring to the Pictorial Diagram.
16
TTM packing
Turntable motor
Shaft
Center of
bracket
11/3/08 2:04:28 PM