Sharp R-2397 service manual Door Replacement And Adjustment, Door Adjustment, Choke Cover Removal

R-2397

DOOR REPLACEMENT AND ADJUSTMENT

DOOR REPLACEMENT

1.CARRY OUT 3D CHECKS.

2.Remove four (4) screws holding the upper and lower oven hinge to the oven cavity.

3.Remove door assembly with upper and lower oven hinges by pulling it forward.

4.On re-installing new door assembly, secure the upper and lower oven hinges with the four (4) mounting screws to the oven cavity. Make sure the door is parallel with bottom line of the oven face plate and the latch head pass through the latch holes correctly.

5.CARRY OUT 4R CHECKS.

Note: After any service to the door, the approved microwave survey meter should be used to assure in compliance with proper microwave radiation standards. (Refer to Microwave Measurement Procedure.)

DOOR ADJUSTMENT

When removing and/or loosening hinges such as in door replacement, the following adjustment criteria are taken.

FLATE TYPE

SCREW DRIVER

PROTECTION

BY TAPE

LOWER

OVEN HING

DOOR

PANEL

UPPER

OVEN HING

Figure C-6. Choke Cover Removal

CHOKE COVER

Door is adjusted to meet the following three conditions by keeping screws of hinge loose.

1.Adjust door latch heads at a position where they smoothly catch the latch hook through the latch holes. Refer to latch switch adjustments.

2.Deviation of the door alignment from horizontal line of cavity face plate is to be less than 1.0mm.

3.The door is positioned with its face depressed toward the cavity face plate.

4.Reinstall outer case and check for microwave leakage around the door with an approved microwave survey meter. (Refer to Microwave Measurement Proce- dure.)

UPPER
OVEN
HINGE	OUTER CASE
	CABINET

DOOR

ASSEMBLY

LOWER

OVEN

HINGE

LATCH HEADS

Figure C-5. Door Assembly Replacement and Adjustment

CHOKE COVER REMOVAL

1.Insert an iron plate (thickness of about 0.5mm or flat type screw driver to the gap between the choke cover and door panel as shown figure to free the engaging part. The protect sheet may be used not to damage the door panel.

2.Lift up the choke cover, now cove is free.

DOOR COMPONENTS REMOVAL

Remove the door assembly, referring to from item 1 through item 3 of “DOOR REPLACEMENT”.

1. Place the door assembly on a soft cloth with facing up.

(UPPER AND LOWER OVEN HINGE REMOVAL)

2.Remove the choke cover, referring to “CHOKE COVER REMOVAL”.

3.Release the oven hinges from the door panel.

4.Now, the oven hinges are free.

(DOOR HANDLE REMOVAL)

5.Remove the two (2) screws holding the door handle to door.

6.Remove the door handle from the door panel.

(UPPER AND LOWER LATCH HEADS REMOVAL)

7.Remove the door release lever from the door assem- bly.

8.Remove the three (3) screws holding the joint plate to the door panel.

9.Release the latch spring from the tab of the joint lever and joint plate.

10.Release the latch heads from joint lever and joint plate. 11.Now, the latch heads are free.

(DOOR FRAME REMOVAL)

12.Set the four (4) tabs of the door frame upright. 13.Remove the door frame from the door panel. Now,

door frame is free.

(DOOR GLASS REMOVAL)

14.Remove the four (4) screws holding the two (2) outside window fixing plates to the door panel.

15.Now, the door glass is free.

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