Table of Contents
Advertisement
R-930AK-F
R-930AW-F
(4) screws holding rear cabinet to bottom plate and three (3)
screws holding to heater unit assembly and two (2) screws
holding steam duct to top of oven cavity. Disconnect wire
leads from power supply cord terminals.
5. Disconnect wire leads from thermistor. Remove two (2)
screws from thermistor.
6. Disconnect wire leads from convection motor, thermal cut-
out and heater element.
7. Remove nine (9) screws holding heater duct to the oven
cavity.
8. Remove two (2) screws holding heater duct to base cabinet.
Release two (2) snap bands holding wire harness to the
thermal cover (convection).
9. The heater unit is now free.
HEATING ELEMENT REMOVAL
10. Remove two (2) screws holding heating element to heater
duct.
11. Loosen two (2) screws holding holders to heater duct and
CONTROL PANEL ASSEMBLY AND CONTROL UNIT REMOVAL
To remove the control panel, procedure as follows:
1. Disconnect the power supply cord and then remove outer
case.
2. Open the oven door and block it open.
3. Discharge high voltage capacitor.
4. Disconnect connector CN-A, CN-E and CN-F from the
control unit.
5. Disconnect the wire leads from the relays RY1, RY2 and
RY3.
6. Remove one (1) screw holding the control panel back plate
to the chassis support.
7. Remove two (2) screws holding the bottom edge of the back
plate to the cabinet base.
8. Remove one (1) screw holding the back plate to the oven
cavity flange.
9. Lift up and pull the control panel assembly forward.
Replacement of individual component is as follows;
1. Disconnect the power supply cord and then remove outer
case.
2. Open the oven door and block it open.
3. Discharge high voltage capacitor.
4. Disconnect the wire leads from the fan motor.
5. Remove one (1) screw holding the fan motor grounding wire
to the air guide (Right).
6. Remove three (3) screws holding the chassis support to the
rear cabinet, waveguide and control panel back plate.
7. Remove the chassis support from the oven.
8. Remove one (1) screw holding the magnetron air guide to
the waveguide.
9. Remove the magnetron air guide from the waveguide.
10.Disconnect wire leads from the fan motor.
11. Release the main harness from the hole of the fan duct.
12. Release the thermistor harness from the hole of the fan
duct.
13. Release one (1) tab holding the fan duct to the rear cabinet.
14. Release one (1) tab holding the fan duct to the air guide
(Right).
take heating element out of heating element holders.
12.Heating element is free.
NOTE: After installed the heating element completely,
bent top of the heating element holder to inside
using by long nose pliers as shown following
illustration.
CONTROL UNIT AND KEY UNIT
1. Disconnect the wire connector from the control unit.
2. Remove the four (4) screws holding the panel frame to the
back plate.
3. Separate the panel frame and back plate.
4. Remove the three (3) screws holding the control unit to the
panel frame.
5. Lift up the control unit and disconnect the key connector
from the control unit.
6. Now, the control unit and frame assembly are separated.
NOTE; 1. Before attaching a new key unit, remove remaining
2. When a attaching the key unit to the control panel
3. Stick the key unit firmly to the control panel frame
FAN MOTOR REMOVAL
15. Remove the fan duct assembly from the oven.
16. Remove the fan blade from the fan motor shaft according
the following procedure.
17. Hold the edge of the rotor of the fan motor by using a pair
of grove 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.
18. Remove the fan blade from the shaft of the fan motor by
pulling and rotating the fan blade with your hand.
19. Now, the fan blade will be free.
CAUTION:
*
Do not reuse the removed fan blade because the hole
(for shaft) may be larger than normal.
20. Remove the two (2) screws and nuts holding the fan motor
34
Long nose plier
Heating element
holder
adhesive on the control panel frame surfaces
completely with a soft cloth soaked in alcohol.
frame, adjust the lower edge and right edge of the key
unit to the correct position of the control panel frame.
by rubbing with soft cloth not to scratch.
Heating
element
Advertisement
Table of Contents
