Sharp R-310B Service Manual page 23

5. Insert the snap of the main wire harness to the hole of
the fan duct and insert the main wire harness into the
hole of the fan duct.
Coil
Groove joint pliers
Stator
Gap
Bracket
Rotor
Rear View
Removal
1. CARRY OUT 3D CHECKS.
2. Disconnect the brown and blue wires of the power
supply cord from the noise filter.
3. Remove the single (1) screw holding the earth wire of
power supply cord.
4. Remove the power supply cord from the oven cavity
back plate.
Re-install
1. Insert the power supply cord into the oven cavity back
plate.
2. Connect the brown and blue wires of power supply cord
into the terminals of noise filter, referring to pictorial
diagram.
3. Re-install the earth wire to bottom plate with one (1)
screw.
1ST. LATCH SWITCH, 2ND. LATCH SWITCH, STOP SWITCH AND MONITOR SWITCH REMOVAL
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
switch in place.
6. Switch is now free. At this time switch lever will be free,
do not lose it.
Re-install
1. Re-install each switch lever and latch switch in its
1ST. LATCH SWITCH, 2ND. LATCH SWITCH, STOP SWITCH AND MONITOR SWITCH ADJUSTMENT
If the 1st. latch switch, 2nd. latch switch, stop switch and
monitor switch do 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.
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
Shaft
Axis
Stator
Rotor
Side View
POWER SUPPLY CORD REPLACEMENT
21
6. Install the chassis support and the magnetron to oven
cavity.
7. Connect the wire leads to the fan motor, referring to the
pictorial diagram.
Table
These are the position
where should be
pinched with pliers
4. CARRY OUT 4R CHECKS.
Note : Step 4 above is important, and it must be done
after replacing power supply cord.
Blue wire
N L
Noise
filter
Green/Yellow wire
Figure C-4. Power supply cord replacement
place. The 1st. latch /stop/monitor switches are in the
lower position and the 2nd. latch 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.
chapter "Test Procedure" and Adjustment procedure.
of the latch hook should be adjusted so that the 1st.
latch switch, 2nd. latch switch and stop switch are
activated with the door closed. The horizontal position
of the latch hook should be adjusted so that the plunger
of the monitor switch is pressed with the door closed.
3. Secure the screws with washers firmly.
4. Check all switches operation. If each switch has not
activated with the door closed, loosen screw and adjust
the latch hook position.
R-310B
Shaft
Center of
bracket
Brown wire
Power supply
cord
Refer to