34
R-1850
R-1851
1. Unplug the oven from power outlet, remove the oven
from wall and remove outer case. (Refer to procedure of
"Removal of Oven from Wall" and Outer case Removal")
2. Lift the left mounting screw off the tab and slide it down
from the base plate left.
3. Remove the one (1) screw holding the exhaust duct to
the top duct.
4. Remove the exhaust duct from the oven cavity.
5. Remove the heat protect top sheet from the top duct.
6. Remove the two (2) screws holding the hood intake duct
L to the heater cover L and the oven cavity front flange.
7. Disconnect the wire leads from the convection motor and
heater element.
8. Disconnect the connector of the main wire harness A
from the connector of the thermistor.
THERMISTOR REMOVAL
9. Remove one (1) screw holding the thermistor to the
convection duct.
10.Now, the thermistor is now free.
CONVECTION HEATER REMOVAL
11.Remove six (6) oven side screws holding the convection
duct to the oven cavity.
12.Remove two (2) screws holding the convection duct to
the oven cavity top side.
13.Remove two (2) screws holding the two heater mounting
holders to the convection duct.
14.Remove two (2) screws holding the convection heater to
the convection duct.
15.Now, the convection heater is now 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.
Long nose plier
Heating element
holder
Heating
element
CONVECTION FAN AND MOTOR REMOVAL
16.Remove one (1) nut (turn to clockwise), spring washer
and washer holding the convection fan to the convection
motor shaft.
17.Now, the convection fan is now free.
18.Remove two (2) washers and pipe holding the convection
motor fan to convection motor shaft.
19.Remove two (2) screws holding the convection motor
mounting plate to convection duct.
20.Remove the convection motor assembly, convection
motor fan and one (1) washer from the convection duct.
21.Remove the convection motor fan and one (1) washer
holding the fan to convection motor shaft.
22.Remove the E-ring from the convection motor shaft.
23.Remove two (2) screws holding the convection motor to
convection motor mounting plate.
24.Now, the convection motor is free.
CONVECTION DUCT ASSEMBLY REMOVAL
1. Unplug the oven from power outlet and remove the oven
from wall and remove outer case. (Refer to procedure of
"Removal of Oven from Wall" and "Outer case Removal")
2. Remove the hood fan motor and the hood exhaust duct
from the oven cavity, referring to the procedure of "
HOOD FAN MOTOR, HOOD EXHAUST DUCT, OVEN
LAMP SOCKET AND AH SENSOR REMOVAL".
3. Remove the control panel assembly, referring to the
procedure of "CONTROL PANEL ASSEMBLY ,
CONTROL UNIT AND KEY UNIT REMOVAL".
4. Bend the tab of the oven cavity face plate which prevent
the open lever from coming out.
5. Remove the open lever from to the oven cavity.
DOOR SENSING SWITCH, SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH REMOVAL
6. Remove the two (2) screws holding the latch hook to the
oven cavity front flange.
7. Remove the latch hook from the oven cavity front flange.
8. Disconnect the wire reads of each switch.
9. Remove each switch from the latch hook with pushing
the one (1) stopper tub holding each switch.
10.Now, each switch is free.
Re-install
1. Re-install open lever and each switch in its place. The
secondary interlock switch in the lower position, door
sensing switch is in the upper position and the monitor
switch is in the middle position.
2. Re-connect wire leads to each switch. Refer to pictorial
DAMPER MOTOR AND DAMPER SWITCH REMOVAL
1. Unplug the oven from power outlet, remove the oven
from wall, remove outer case, remove the unit mounting
screw and hood intake duct R. (Refer to procedure of
"Removal of Oven from Wall", "Outer case Removal"
and "Unit Mounting Screw and Hood Intake Duct R
Removal".)
2. Discharge the high voltage capacitor.
3. Disconnect wire leads from damper motor and damper
switch.
4. Remove one (1) screw holding damper motor to damper
motor angle and bend the tab holding damper switch to
damper motor angle.
5. Damper motor and switch are free.
