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R-55TS-F
4. Remove the two (2) screws holding the main wire harness
to the upper heater.
5. Remove the one (1) screw holding the heater fix angle
left to the oven cavity top plate.
1. Disconnect the power supply cord and then remove the
outer case.
2. Open the oven door and block it open.
3. Discharge the high voltage capacitor.
4. Now, the rear cover should be removed.
5. Remove the turntable and the turntable support from the
oven cavity.
6. Remove the door assembly, referring to "Removal of
DOOR REPLACEMENT".
7. Remove the control panel assembly, referring to
"CONTROL PANEL ASSEMBLY REMOVAL".
8. Remove the two (2) screws holding the rear reflector to
the bottom plate assembly, and remove it.
9. Remove the two (2) screws holding the exhaust cover to
the bottom plate assembly, and remove it.
10.Remove the two (2) screws holding the chassis support
to the oven cavity front flange and the fan duct, and
remove the chassis support.
11.Disconnect the wire leads from the following parts;
Upper heater, Lower heater, Thermal cut out, Oven
thermostat, Fan motor, C/T fuse, Door sensing switch,
Monitor switch, Secondary interlock switch, Select relay,
Oven lamp, Magnetron
12.Release the snap band of the main wire harness from the
air duct.
13.Remove the power transformer, referring to "POWER
TRANSFORMER REMOVAL".
14.Remove the three (3) screws holding the bottom plate
assembly (rear side) to the oven cavity assembly.
15.Turn the oven over.
16.Remove the three (3) screws holding the door insertion
barrier to the oven cavity.
17.Remove the bottom plate assembly with the main wire
1. Disconnect the power supply cord.
2. Remove turntable and turntable support from oven cavity.
3. Lay the oven on it's backside. Remove the turntable
motor cover by snipping off the material in eight (8)
portions.
4. Where the corners have been snipped off bend corner
areas flat. No sharp edges must be evident after removal
of the turntable motor cover.
REMOVAL
1. Disconnect the power supply cord and then remove
outer case.
2. Open the door and block it open.
6. Carefully remove the upper heater from the oven cavity
7. Now, the upper heater is free.
LOWER HEATER REMOVAL
18.Remove the three (3) screws holding the bottom reflector
19.Straighten the two (2) tabs of the bottom reflector and
20.Lift up the stopper and remove the lower heater.
21.Now, lower heater is free.
NOTE 1. When the lower heater is reinstalled, insert
TURNTABLE MOTOR REMOVAL
5. Disconnect wire leads from turntable motor.
6. Straighten the two (2) tabs holding turntable motor to
7. Remove one (1) screw holding turntable motor to oven
8. Now the turntable motor is free.
9. After replacement use the one (1) screw to fit the
COOLING FAN MOTOR REMOVAL
3. Discharge high voltage capacitor.
4. Disconnect the wire leads from the fan motor.
5. Remove the two (2) screws holding the fan motor to the
30
top plate so that the right of the upper heater catch any
metal object.
harness from the oven cavity assembly.
to the oven cavity.
remove the bottom reflector from the oven cavity.
the ceramic portion of the lower heater into
the tab plate. Or cooking result will be bad.
2. When the lower heater is reinstalled, reinstall
the lower heater so that the terminal of the
lower heater faces toward the hole of the
bottom reflector.
Ceramic
portion
Lower heater
Lower heater
Tab plate
Terminal
Figure C-2. Lower heater
turntable motor mounting angle.
cavity.
turntable motor cover.
bottom plate assembly.
Stopper
Bottom
refrector
Tab plate
Terminal
Stopper
Hole
Bottom
refrector
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