Read Sharp R-899SL (serv.man10) Service Manual online
R899(WH)
11 – 5
[13] BOTTOM HEATING ELEMENTS REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the turntable motor cover from the base plate, referring to
“TURNTABLE MOTOR REPLACEMENT”.
3. Disconnect the wire leads from the bottom heating element.
4. Remove the two (2) nuts holding the heater cover and heater pack-
ing to the bottom heater.
5. Remove the heater cover and the heater packing from the bottom
heating element.
6. Remove the two(2) nuts holding the bottom heating element to the
oven cavity.
7. Remove the bottom heating element from the oven cavity.
[14] CONTROL PANEL ASSEMBLY REMOVAL
1. CARRY OUT 3D CHECKS.
2. Disconnect the wire leads and the connectors from the control unit.
3. Remove the one (1) screw holding the control panel assembly to
the oven cavity front plate.
4. Lift up the control panel assembly and pull it forward.
Now the control panel assembly is free.
[15] MONITORED LATCH SWITCH, MONITOR SWITCH AND STOP SWITCH REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the control panel assembly referring to “CONTROL
PANEL ASSEMBLY REMOVAL”.
3. Disconnect the leads from all switches.
4. Remove the two (2) screws holding the latch hook to the oven
cavity.
5. Remove the latch hook.
6. Remove the switch(es) from the latch hook by pushing the retain-
ing tab backwards slightly and turning the switch(es) on the post.
7. Now the switch(es) is free
[16] MONITORED LATCH SWITCH, STOP SWITCH AND MONITOR SWITCH ADJUSTMENT
If the monitored latch switch, stop switch and monitor switch do not
operate properly due to a mis-adjustment, the following adjustment
should be made.
operate properly due to a mis-adjustment, the following adjustment
should be made.
1. Adjustment
1. CARRY OUT 3D CHECKS.
2. Loosen the two (2) screws holding the latch hook to the oven cavity
front flange.
3. With the 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 0.5mm. The horizontal position of
the latch hook should be placed where the monitor switch has acti-
vated with the door closed. The vertical position of the latch hook
should be placed where the monitored latch switch and stop switch
have activated with the door closed.
latch hook should be less than 0.5mm. The horizontal position of
the latch hook should be placed where the monitor switch has acti-
vated with the door closed. The vertical position of the latch hook
should be placed where the monitored latch switch and stop switch
have activated with the door closed.
4. Secure the screws with washers firmly.
5. Make sure of the all switches operation. If the latch head has not
pushed the plungers of the monitor switch with door closed, adjust
the latch hook position. At that time, the latch head should have
pushed the plungers of the monitored latch switch and stop switch.
If the latch head has not pushed the plungers of the monitored latch
switch and stop switch with door closed, loose two (2) screws hold-
ing latch hook to oven cavity front flange and adjust the latch hook
position.
the latch hook position. At that time, the latch head should have
pushed the plungers of the monitored latch switch and stop switch.
If the latch head has not pushed the plungers of the monitored latch
switch and stop switch with door closed, loose two (2) screws hold-
ing latch hook to oven cavity front flange and adjust the latch hook
position.
Figure C-5 Latch Switches Adjustment
2. After adjustment, make sure of following:
1. In and out play of door remains less than 0.5mm when latched
position. First check the latch hook position, pushing and pulling
upper portion of the door toward the oven face. Then check the
lower latch hook position, pushing and pulling lower portion of the
door toward the oven face. Both results (play of the door) should be
less than 0.5mm.
upper portion of the door toward the oven face. Then check the
lower latch hook position, pushing and pulling lower portion of the
door toward the oven face. Both results (play of the door) should be
less than 0.5mm.
Stop switch
Monitor switch
Monitored
latch switch
latch switch
Tab
Post
Post
Figure C-4. Switches
Latch hook
Door
Stop switch
Latch
Heads
Heads
Monitor switch
Monitored
latch switch
latch switch
Tab
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