Sharp R-2397 - Manual (Page 30)

28
R-2397
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.
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
LOWER
OVEN
HINGE
DOOR
ASSEMBLY
LATCH HEADS
OUTER CASE
CABINET
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 REPLACEMENT AND ADJUSTMENT
DOOR
PANEL CHOKE
COVER
FLATE TYPE
SCREW DRIVER
PROTECTION
BY TAPE
LOWER
OVEN HING
UPPER
OVEN HING
Figure C-6. Choke Cover Removal
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.