Service manual

21
R-3S68
OVEN LAMP AND LAMP SOCKET REMOVAL
Figure C-3. Oven lamp socket
1. CARRY OUT 3D CHECKS.
2. Pull the wire leads from the oven lamp socket by pushing
the terminal hole of the oven lamp socket with the small
flat type screw driver.
3. Bend the tab of the oven cavity holding the lamp socket.
4. Lift up the oven lamp socket.
5. Now, the oven lamp socket is free.
1. CARRY OUT 3D CHECKS.
2. Disconnect wire leads from the switches.
3. Remove two (2) screws holding latch hook to oven
flange.
4. Remove latch hook assembly from oven flange.
5. Push outward on the two (2) retaining tabs holding each
switch in place.
6. Switches are now free. At this time switch lever will be
free, do not lose it.
Re-install
1. Re-install each switch and switch lever in its place.
The 1st. latch switch and monitor switch are in the lower
position and 2nd. interlock relay control switch is in the
upper position.
2. Re-connect wire leads to each switch.
Refer to pictorial diagram.
3. Secure latch hook (with two (2) mounting screws) to
oven flange.
4. Make sure that the monitor switch is operating properly
and check continuity of the monitor circuit. Refer to
chapter "Test Procedure" and Adjustment procedure.
Removal
1. CARRY OUT 3D CHECKS.
2. Remove the one (1) screw holding the green/yellow wire
to the bottom plate right.
3. Disconnect the brown wire lead of the power supply cord
from the fuse holder.
4. Cut away the connector.
5. Release the power supply cord from the rear cabinet.
6. Now, the power supply cord is free.
Re-install
1. Insert the moulding cord stopper of power supply cord
into the square hole of the rear cabinet.
2. Install the earth wire lead of power supply cord to the
bottom plate rirgt with one (1) screw and tight the screw.
3. Connect the brown wire lead of power supply cord to the
fuse holder correctly, referring to the Pictorial Diagram.
4. Strip the blue wire lead of the power supply cord and
white wire lead of the main wire harness for 15mm lengh
from their end.
POWER SUPPLY CORD REPLACEMENT
5. Wind the conductor of the blue wire lead of the power
supply cord and the conductor of the wire lead of the
main wire harness each other.
6. Insert them into the connector. And clamp it.
7. CARRY OUT 4R CHECKS.
15 mm
Connector
CE-230
Blue wire lead of power supply cord
Wire lead of the 
main wire harness
Conductor: 
Stripped portion

Connector
CE-230
Figure C-4. Power supply cord replacement
1ST. LATCH SWICTH, 2ND. INTERLOCK RELAY CONTROL SWITCH AND MONITOR SWITCH REMOVAL
If each switch does not operate properly due to a
misadjustment, the following adjustment should be made.
1. Loosen the two (2) screws holding latch hook to the oven
cavity front flange.
1ST. LATCH SWICTH, 2ND. INTERLOCK RELAY CONTROL SWITCH AND MONITOR SWITCH ADJUSTMENT
2. With door closed, adjust latch hook by moving it back and
forth, and up and down. In and out play of the door
allowed by the upper and lower position of the latch hook
should be less than 0.5mm. The vertical position of the
Oven lamp
socket
Terminal
Wire lead
Terminal hole
Flate type small
screw driver