Read Sharp R-334 (serv.man4) Service Manual online
R-334 - 27
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
DOOR REPLACEMENT
REMOVAL
1. CARRY OUT 3D CHECKS.
2. Push the open button and open the door slightly.
3. Insert a putty knife (thickness of about 0.5mm) into the
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-5 to free engaging parts.
in Figure C-5 to free engaging parts.
4. Release choke cover from door panel.
5. Now choke cover is free.
5. Now choke cover is free.
CHOKE COVER
PUTTY KNIFE
DOOR FRAME
Figure C-5. Door Disassembly
6. Release two (2) pins of door panel from two (2) holes of
upper and lower oven hinges by lifting up.
7. Now, door sub assembly is free from oven cavity.
8. Remove the four (4) screws holding the door panel to
8. Remove the four (4) screws holding the door panel to
the door frame.
9. Release door panel from eight (8) tabs of door frame by
sliding door panel downward.
10. Now, door panel is free.
11. Slide latch head upward and remove it from door frame,
11. Slide latch head upward and remove it from door frame,
releasing latch spring from door frame and latch head.
12. Now, latch head and latch spring are free.
13. Remove the one (1) screw holding the glass stopper to
13. Remove the one (1) screw holding the glass stopper to
the door frame.
14. Remove the glass stopper from the door frame.
15. Slide the front door glass leftwards and then slide
15. Slide the front door glass leftwards and then slide
upwards to release the tabs holding it.
16. Now, the front door glass is free
RE-INSTALL
1. Re-install the front door glass to the door frame as
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 six
(6) tabs of the door frame.
2) Slide the front door glass downwards and insert the
lower edge of the front door glass into the six (6) tabs of
the door frame.
the door frame.
3) Slide the front door glass rightwards and insert the right
edge of the front door glass into the one (1) tab of the
door frame.
door frame.
2. Re-install the glass stopper to the door frame as
follows.
1) Re-install the glass stopper to the door frame so that
the two (2) holes of the glass stopper meet the two (2)
pins of the door frame.
pins of the door frame.
2) Hold the glass stopper to the door frame with the 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.
head to door frame.
4. Re-install door panel to door frame by fitting eight (8)
tabs of door frame to eight (8) holes of door panel.
5. Fit the door panel to the door frame with four (4)
screws.
6. Insert two (2) pins of door panel on two (2) hole of
upper and lower oven hinges.
7. Re-install choke cover to door panel.
Note: After any service to the door;
Make sure that door sensing switch and monitored
latch switch are operating properly.
latch switch are operating properly.
Figure C-6. Door Replacement
NOTE: When carrying out any repair to the door,
do not bend or warp the slit choke (tabs on
the door panel assembly) to prevent
microwave leakage.
the door panel assembly) to prevent
microwave leakage.
PIN
PIN
LOWER
OVEN HINGE
OVEN HINGE
UPPER
OVEN HINGE
OVEN HINGE
LOWER
OVEN HINGE
OVEN HINGE
CHOKE COVER
DOOR
PANEL
PANEL
DOOR SUB
ASSEMBLY
ASSEMBLY
SLIT CHOKE
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