Sharp Carousel R-350C Servis Kılavuzu - Sayfa 24

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R-350C

1ST. LATCH SWITCH, 2ND. LATCH SWITCH, STOP SWITCH AND MONITOR SWITCH ADJUSTMENT

If the 1st. latch switch, 2nd. latch switch, stop switch and

monitor switch do not operate properly due to a

misadjustment, the following adjustment should be made.

1. Loosen the two (2) screws holding latch hook to the

oven cavity front flange.

2. With door closed, adjust latch hook by moving it back

and 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 1st.

latch switch, 2nd. latch switch and stop 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.

3. Secure the screws with washers firmly.

4. Check all switches operation. 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

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-6 to free engaging parts.

4. Pry the choke cover by inserting a putty knife as shown

Figure C-6.

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.

Choke Cover

Figure C-6. Door Disassembly

9. Remove the four (4) screws holding the door panel to

the door frame.

10.Release door panel from eight (8) tabs of 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

with releasing latch spring from door frame and latch

head.

15.Now, latch head and latch spring are free.

DOOR REPLACEMENT

Door Frame

Putty Knife

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 1st. latch switch, 2nd. latch switch and stop 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.)

Door

Latch

Heads

Switch Lever

Figure C-5. Latch Switch Adjustments

16.Remove the door screen from the door frame.

17.Now, door screen is free.

RE-INSTALL

1. Re-install door screen to door frame.

2. 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.

3. Re-install door panel to door frame by fitting eight (8)

tabs of door frame to eight (8) holes of door panel.

4. Hold the door panel to the door frame with the four (4)

screws.

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 1st. latch switch, 2nd. latch switch,

stop switch and monitor switch are operating

properly. (Refer to chapter "Test Procedures".).

(B) An approved microwave survey meter should be

used to assure compliance with proper microwave

radiation emission limitation standards.

After any service, make sure of the following :

1. Door latch heads smoothly catch latch hook through

latch holes and that latch head goes through center of

latch hole.

2. Deviation of door alignment from horizontal line of

cavity face plate is to be less than 1.0mm.

3. Door is positioned with its face pressed toward cavity

face plate.

4. Check for microwave leakage around door with an

approved microwave survey meter. (Refer to Microwave

Measurement Procedure.)

Latch Hook

2nd. Latch

Switch

Monitor Switch

1st. Latch

Switch

Stop Switch