Sharp R-510EK, Service Manual

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26
R - 5 10 E K
R - 510EW
DOOR REPLACEMENT
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 of the
latch hook should be adjusted so that the door sensing
switch and secondary interlock 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.
6. Secure the screws with washers firmly.
7. Check the operation of all switches. If each switch has
not activated with the door closed, loosen screw and
adjust the latch hook position.
After adjustment, check the following.
1. In and out play of door remains less than 0.5mm when in
the latched position. First check upper position of latch
hook, pushing and pulling upper portion of door toward
the oven face. Then check lower portion of the latch
hook, pushing and pulling lower portion of the door
toward the oven face. Both results (play in the door)
should be less than 0.5mm.
2. The door sensing switch and secondary interlock switch
interrupt the circuit before the door can be opened.
3. Monitor switch contacts close when door is opened.
4. Re-install outer case and check for microwave leakage
around door with an approved microwave survey meter.
(Refer to Microwave Measurement Procedure.)
Figure C-3. Latch Switch Adjustments
REMOVAL
1. Disconnect the power supply cord.
2. Push the open button and open the door slightly.
3. Insert a putty knife (thickness of about 0.5mm) into the
gap between the choke cover and door frame as shown
in Figure C-4 to free engaging parts.
4. Pry the choke cover by inserting a putty knife as shown
in Figure C-4.
5. Release choke cover from door panel.
6. Now choke cover is free.
7. Release two (2) pins of door panel from two (2) holes of
upper and lower oven hinges by lifting up.
8. Now, door panel with door frame is free from oven cavity.
Figure C-4. Door Disassembly
9. Release the door panel from ten (10) tabs of door frame.
10.Remove the door panel from the door frame.
11.Now, door panel with sealer film is free.
12.Tear sealer film from door panel.
13.Now, door panel is free.
14.Slide latch head upward and remove it from door frame
by releasing latch spring from door frame and latch head.
15.Now, latch head and latch spring are free.
16.Remove one (1) screw holding the door glass stopper to
the door frame.
17.Remove door glass stopper from door frame.
18.Slie the door glass rightwards and then slide upwards to
release the door glass from the tabs holding it.
19.Remove the door glass from the door frame.
20.Now, door frame is free.
REINSTALLATION
1. Re-install door glass to door frame as follows.
1-1. Insert the upper edge of the door glass into the five (5)
tabs of the door frame.
1-2. Slide the door glass downwards and insert the lower
edge of door glass into the five (5) tabs of the door
frame.
1-3. Slide the door glass leftwards and insert the left edge
of door glass into the two (2) tabs of the door frame.
2. Re-install the door glass stopper to the door frame so
that the two (2) holes of the door glass stopper fit to the
two (2) pins of the door frame. And hold the door glass
stopper with one (1) screw.
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 by catching ten (10)
tabs of door frame on the edges of door panel.
5. Put sealer film on door panel. Refer to “Sealer Film”
about how to handle new one.
6. Catch two (2) pins of door panel on two (2) hole of upper
and lower oven hinges.
7. Re-install choke cover to door panel by pushing.
Note: After any service to the door;
(A) Make sure that door sensing switch and secondary
interlock switch are operating properly. (Refer to
Door Sensing
Switch
Monitor Switch
Switch Lever
Secondary Interlock
Switch
Latch Heads
Door
Choke Cover
Door Frame
Putty Knife