Sharp R-4H56, Руководство по обслуживанию

Страница: 29 / 44

27
R-4H56
Removal
1. CARRY OUT 3D CHECKS.
2. Disconnect the brown wire of the power supply cord from
the fuse holder.
3. Remove the connector CE-230 by cutting the connected
wire leads to it.
4. Remove the single (1) screw holding the green/yellow
wire of the power supply cord to the oven cavity.
5. Remove the single (1) screw holding the cord anchorage
to the oven cavity.
6. Remove the power supply cord from the oven.
Re-install
1. Insert the power supply cord into the cord anchorages.
2. Connect the brown wire of the power supply cord to the
fuse holder.
3. Install the green/yellow wire of the power supply cord to
the oven cavity with the single (1) screw tightly.
4. Make sure that the blue wire and the white wire are
stripped for 15mm length.
5. Wind the conductors of Blue and White wires each other.
6. Insert the stripped wire leads into the connector CE-230.
15 mm
Connector CE-230
Blue wire lead of
power supply cord
Wire lead of the
main wire harness
7. Clamp the connector CE-230 with the correct tool tightly.
Cord anchorage
Main harness
Brown wire
White wire
Green/yelow wire
Blue wire
Power supply cord
Connector
CE230
Figure C-4. Power Supply Cord Replacement
POWER SUPPLY CORD REPLACEMENT
UPPER LATCH SWITCH, LOWER LATCH SWITCH, STOP SWITCH AND MONITOR SWITCH REMOVAL
5. Remove the two (2) screws holding the latch hook to the
oven cavity.
6. Remove the latch hook.
7. Push the retaining tab slightly and remove the switch.
1. CARRY OUT 3D CHECKS.
2. Remove the air duct from the oven cavity.
3. Disconnect the main wire harness and switch harness
from the control panel.
4. Disconnect the leads from all switches.
(plays of the door) should be less than 0.5mm.
2. The upper latch switch and lower latch switch interrupt
the circuit before the door can be opened.
3. The monitor switch contacts close when the door is
opened.
4. The stop switch contacts open when the door is opened.
5. Reinstall outer case and check for microwave leakage
around the door with an approved microwave survey
meter. (Refer to Microwave Measurement Procedure.)
MONITOR
SWITCH
UPPER
LATCH
SWITCH
STOP
SWITCH
LOWER
LATCH
SWITCH
LATCH
LEVER
PLUNGER
SWICTH
LATCH
HEAD
DOOR
OPEN
BUTTON
LATCH
HEAD
LATCH
HOOK
DOOR
Figure C-5 Latch Switches Adjustment
If the lower latch switch, stop switch, upper latch switch and
monitor switch do not operate properly due to a mis-
adjustment, the following adjustment should be made.
1. CARRY OUT 3D CHECKS.
2. Loosen the two (2) screws holding the latch hook to the
oven cavity front flange.
3. With door closed, adjust the latch hook by moving it back
and forward, or up and down. In and out play of the door
allowed by the latch hook should be less than 0.5 mm.
The horizontal position of the latch hook should be
placed where the stop switch and monitor switch have
activated with the door closed.
The vertical position of the latch hook should be placed
where the lower latch switch and upper latch switch have
activated with the door closed.
4. Secure the screws with washers firmly.
5. Make sure of the upper latch switch, stop switch, lower
latch switch and monitor switch operation. If those
switches have not activated with the door closed, two (2)
screws holding latch hook to oven cavity front flange and
adjust the latch hook position.
After adjustment, make sure of following:
1. In and out play of door remains less than 0.5 mm when
latched position. First check latch hook position, pushing
and pulling the door toward the oven face. The results
UPPER LATCH SWITCH, LOWER LATCH SWITCH, STOP SWITCH AND MONITOR SWITCH ADJUSTMENT