Sharp R-9H10 User Manual

R-9HlO
MAGNETRON REMOVAL
1.
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5.
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4.
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4.
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3.
4.
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4.
5.
Disconnect oven from power supply and remove
when removing the screws holding the magnetron
outer case.
Discharge the high voltage capacitor. Disconnect
filament lead of transformer from magnetron.
Disconnect high voltage wire lead from magnetron.
Disconnect heater leads from the magnetron. Take
off three (3) screws secured the chassis support to
oven cavitv-and waveauide.
Remove cooling fan “ass’y refer to “Cooling Fan
Removal” No.6 to 7.
and air guide to prevent it from falling.
6. Remove the magnetron from the unit with care so
the magnetron tube should not hit by any metal
object around the tube.
CAUTION:
WHEN REPLACING THE MAGNETRON,
BE SURE THE R.F. GASKET IS IN
PLACE
AND THE MAGNETRON
MOUNTING SCREWS ARE TIGHTENED
SECURELY.
Carefully remove four (4) mounting screws hold the
magnetron and magnetron air guide to waveguide,
COOLING FAN MOTOR WITH FAN THERMAL CUT-OUT REMOVAL
Disconnect oven from power supply and remove
outer case.
Discharge the high voltage capacitor.
Disconnect wire leads from the cooling fan motor
‘and fan thermal cut-out.
Remove three (3) screws holding the chassis sup-
port to rear cabinet, control panel back plate and
wave guide.
5.
6.
7.
8
’
Release one (1) tab holding cooling fan duct to air
guide.
Remove cooling duct and fan motor ass’y from unit.
The cooling fan motor assembly is now free.
Remove fan blade from fan motor shaft by pulling
fan retainer clip.
Remove two (2) screws and nuts holding cooling
fan motor and fan thermal cut-out . The cooling fan
motor ass’y is now free.
CONVECTION MOTOR REMOVAL
Disconnect oven from power supply and remove
outer case.
Discharge the high voltage capacitor.
Disconnect wire leads from the convection motor.
Remove the convection fan belt and pulley(M).
Remove two (2) screws holding the convection
motor mounting angle to the heater duct and base
cabinet.
5.
6.
7.
Take out the convection motor assembly from the
unit.
The convection motor assembly is now free.
Remove two (2) screws and nuts holding the motor
to mounting angle.
Convection motor is now free.
DAMPER ASSEMBLY REMOVAL
Disconnect oven from power supply and remove
outer case.
Discharge the high voltage capacitor.
Remove cooling fan motor and magnetron refer to
“Cooling Fan Motor Removal” and “Magnetrom
Removal”.
Disconnect wire leads from damper motor and
damper switch.
5. Remove two(2) ovenside screws holding damper
motor angle to thermal protection plate (right).
6. Damper assembly is free.
7. Remove one (1) screw holding damper motor to
damper motor angle and one (1) screw holding
damper switch to damper motor angle.
8. Damper motor and switch are free.
HEATER UNIT ASSEMBLY REMOVAL
(HEATING ELEMENT/THERMISTOR)
Disconnect oven from power supply and remove
6.
outer case cabinet.
Discharge the high voltage capacitor.
Disconnect wire leads from oven thermal cut-out,
convection motor, thermistor and heater element.
Remove convection motor ass’y refer to “Con-
vection Motor Removal No.3 to No.5”.
Remove eleven (I 1) screws holding heater duct to
the oven cavity.
Release two (2) snap bands holding wire harness
to the thermal protection plate (left).
1.
2.
3.
4.
3.
The heater unit is now free.
HEATING ELEMENT AND THERMISTOR
Remove two (2) screws holding heating element to
heater duct.
Loosen two (2) screws holding holders to heater
duct and take heating element out of heating ele-
ment holders.
Heating element is free.
Remove two (2) screws holding thermistor to
heater duct.
Thermistor is free.
33

Sharp R-9H10 Specifications

General

Brand	Sharp
Model	R-9H10
Category	Microwave Oven
Language	English