Sharp R-84ST Service Manual page 30

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
1. CARRY OUT 3D CHECKS
2. Remove wire leads as positive lock connector
removal below.
3. Lift up the oven lamp from its retaining clips.
4. Now, the oven lamp is free.
1. CARRY OUT 3D CHECKS.
2. Pushing the lever of positive lock
3. Pull out the positive lock
CAUTION: WHEN YOU (SERVICE ENGINEERS) CON-
NECT THE POSITIVE LOCK
TO THE TERMINALS, CONNECT THE POSI-
TIVE LOCK
YOU (SERVICE ENGINEERS).
Removal
1. CARRY OUT 3D CHECKS.
2. Remove the one (1) screw holding the green/yellow wire
to the cavity back plate.
3. Disconnect the leads of the power supply cord from the
noise filter, referring to the Figure C-4 (a).
4. Release the power supply cord from the rear cabinet.
5. Now, the power supply cord is free.
OVEN CAVITY
BACK PLATE
BROWN WIRE
BLUE WIRE
NOISE FILTER
1. CARRY OUT 3D CHECKS.
2. Remove the two (2) screws holding the back plate to oven
cavity.
3. Disconnect the wire leads from the convection motor.
4. Remove the two (2) screws holding the rear heat cover to
the oven cavity from out-side.
5. Remove the four (4) screws holding the convection fan
duct to the oven cavity.
6. Now, the convection fan duct assembly is free.
7. Remove the one (1) nut holding the convection fan,
OVEN LAMP SOCKET REMOVAL
POSITIVE LOCK
® connector.
® connector.
®
CONNECTORS
®
SO THAT THE LEVER FACE
POWER SUPPLY CORD REPLACEMENT
POWER SUPPLY CORD
CHASSIS SUPPORT
CONVECTION FAN MOTOR REMOVAL
R-84ST -
® CONNECTOR REMOVAL
Figure C-2 Positive lock
Figure C-4 (a) Replacement of Power Supply Cord
Re-install
1. Insert the moulding cord stopper of power supply cord
into the square hole of the rear cabinet, referring to the
Figure C-4 (b).
2. Install the earth wire lead of power supply cord to the oven
cavity with one (1) screw and tight the screw.
3. Connect the brown and blue wire leads of power supply
cord to the noise filter correctly, referring to the Pictorial
Diagram.
Figure C-4(b). Power Supply Cord Replacement
washers, pipe and the cooling fan to the convection
motor shaft.
8. Remove the three (3) screws holding the rear heat cover
to the convection fan duct.
9. Remove the two (2) screws holding the convection
motor to the rear heat cover.
10. Remove the pipe, washers and the cooling fan from the
convection motor shaft.
11. Remove the ring on the convection motor shaft.
12. Now, the convection motor is free.
30
Terminal
Positive lock ®
connector
1
Push
Lever
2
Pull down
®
connector
POWER SUPPLY
CORD
MOULDING
CORD
STOPPER
OVEN CAVITY
BACK PLATE
GROMMET
MOULDING
SQUARE HOLE