Read Sharp R-959SLM (serv.man8) Service Manual online
R959(SL)M
11 – 6
[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 cav-
ity.
5. Remove the latch hook.
6. Remove the switch(es) from the latch hook by pushing the retaining
tab backwards slightly and turning the switch(es) on the post.
7. Now the switch(es) is free
Figure C-6. Switches
[16] MONITORED LATCH SWITCH, STOP SWITCH AND MONITOR SWITCH ADJUSTMENT
1. 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. 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 0.5 mm.
latch hook should be less than 0.5 mm.
The horizontal position of the latch hook should be placed where
the monitor switch has activated 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.
the monitor switch has activated 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.
2. After adjustment, make sure of following.
1. 1. In and out play of door remains less than 0.5 mm 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.
2. The contacts (COM-NO) of the stop switch and the monitored latch
switch open within 1.8mm gap between right side of cavity face
plate and door when door is opened.
plate and door when door is opened.
3. When the door is closed, the contacts (COM-NO) of the stop switch
close.
4. When the door is closed the contacts (COM-NC) of the monitor
switch and monitored latch switch open. And the contacts (COM-
NO) of their switches close.
NO) of their switches close.
5. Re-install outer case and check for microwave leakage around the
door with an approved microwave survey meter. (Refer to Micro-
wave Measurement Procedure.)
wave Measurement Procedure.)
Figure C-7 Latch Switches Adjustment
[17] DOOR REPLACEMENT
1. REMOVAL
1. Disconnect the oven from the power supply.
2. Push the door slightly.
3. Remove the door stopper from the choke cover.
4. Lift the door upwards.
5. Now, door assembly is free from oven cavity.
6. Insert an putty knife (thickness of about 0.5mm) into the gap
between the choke cover and door frame as shown in Figure C-7 to
free engaging parts.
free engaging parts.
7. Release choke cover from door panel.
8. Now choke cover is free.
Stop switch
Monitor switch
Monitored
latch switch
latch switch
Tab
Post
Post
Latch hook
Door
Stop switch
Latch
Heads
Heads
Monitor switch
Monitored
latch switch
latch switch
Tab
Click on the first or last page to see other R-959SLM (serv.man8) service manuals if exist.