Sharp R-939(BK), Руководство по обслуживанию

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R939(W)
11 – 6
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.
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.
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.
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.
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.
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.)
Figure C-6 Latch Switches Adjustment
[16] 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.
7. Release choke cover from door panel.
8. Now choke cover is free.
Figure C-7. Door Disassembly
DOOR PANEL
9. Remove the eight (8) screws holding the door panel to the door
frame.
10.Now, door panel is free.
CAUTION: DO NOT DEFORM OR WARP THE TEETH OF COMB OF
THE DOOR PANEL TO PREVENT MICROWAVE RADIA-
TION EMISSION FROM THE DOOR.
LATCH HEAD AND SPRING
11.Slide latch head upward and remove it from door frame with releas-
ing latch spring from door frame and latch head.
12.Now, latch head and latch spring are free.
DOOR HANDLE AND FRONT DOOR GLASS
13.Remove the two (2) screws holding the door handle and the glass
stopper to the door frame.
14.Remove the door handle and the glass stopper from the door
frame.
15.Slide the front door glass leftward and then slide downwards to
release the tabs holding it.
16.Now, the front door glass is free
2. REINSTALLATION
1. Re-install the front door glass to the door frame as follows.
1) Insert the upper edge of the front door glass into the tabs of the
door frame.
2) Slide the front door glass downwards and insert the lower edge
of the front door glass into the tabs of the door frame.
3) Slide the front door glass rightwards and insert the right edge of
the front door glass into the tabs of the door frame.
2. Re-install the door handle and the glass stopper to the door frame
as follows.
1) Insert the door handle and the glass stopper to the door frame.
2) Hold the door handle and the glass stopper to the door frame
with the two (2) screws.
3. Re-install the latch spring to the latch head. Re-install the latch
spring to the door frame. Re-install latch head to door frame.
4. Re-install door panel to door frame.
Latch hook
Door
SW2: Stop switch
Latch
Heads
SW3: Monitor switch
SW1: Monitored
latch switch
Tab
Putty knife
Choke cover
Door frame
Door stopper