25
R-305HK
R-305HW
Side View
Rear View
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 four corners.
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.
5. Disconnect wire leads from turntable motor.
(See "Positive lock connector removal")
6. Remove one (1) screw holding turntable motor to oven
cavity.
7. Now the turntable motor is free.
8. After replacement use the one (1) screw to fit the turntable
motor cover.
REMOVAL
1. Disconnect the power supply cord and then remove
outer case.
2. Open the door and block it open.
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
oven cavity back plate.
6. Remove the fan blade from the fan motor shaft according
to the following procedure.
7. Hold the edge of the rotor of the fan motor by using a pair
of groove joint pliers.
CAUTION:
*
Make sure that no metal pieces enter the gap between
the rotor and the stator of the fan motor because the
rotor is easily 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 touching with the
pliers.
8. Remove the fan blade from the shaft of the fan motor by
pulling and rotating the fan blade with your hand.
9. Now, the fan blade will be free.
COOLING FAN MOTOR REMOVAL
CAUTION:
*
Do not reuse the removed fan blade because the hole
(for shaft) may be larger than normal.
10.Now, the fan motor is free.
INSTALLATION
1. Install the fan blade to the fan motor shaft according to
the following procedure.
2. Hold the center of the bracket which supports the shaft of
the fan motor on the flat table.
3. Apply the screw lock tight into the hole (for shaft) of the
fan 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.
5. Install the fan motor to the oven cavity back plate with the
two (2) screws.
CAUTION:
*
Do not hit the fan blade strongly when installed
because the bracket may be disfigured.
*
Make sure that the fan blade rotates smooth after
installation.
*
Make sure that the axis of the shaft is not slanted.
6. Connect the wire leads to the fan motor, referring to the
pictorial diagram.
1. Disconnect the power supply cord and remove outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. Disconnect wire leads from the switches.
5. Remove two (2) screws holding latch hook to oven flange.
6. Remove latch hook assembly from oven flange.
7. Push outward on the two (2) retaining tabs holding
DOOR SENSING SWITCH/SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH REMOVAL
switch in place.
8. Switch is now free.
At this time switch lever will be free, do not lose it.
Reinstallation
1. Reinstall each switch in its place. The secondary interlock/
monitor switches are in the lower position and the door
sensing switch is in the upper position.
TURNTABLE MOTOR REMOVAL
Gap
Rotor
Bracket
Stator
Groove joint pliers
Coil
Shaft
Axis
Stator
Rotor
These are the positions
that should be pinched
with pliers.
Shaft
Table
Center of
bracket
