Positive Lock Connector (No-Case Type) Removal; Antenna Motor Removal; Cooling Fan Motor Removal - Sharp R-21LCF Service Manual

R21LCF
Figure C-1. Oven lamp socket

[8] POSITIVE LOCK CONNECTOR (NO-CASE TYPE) REMOVAL

1. Disconnect the power supply cord, and remove outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. Push the lever of positive lock
5. Pull down on the positive lock
CAUTION: WHEN CONNECTING THE POSITIVE LOCK
TORS TO THE TERMINALS, NSTALL THE POSITIVE
®
LOCK SO THAT THE LEVER FACES YOU.

[9] ANTENNA MOTOR REMOVAL

1. Disconnect the power supply cord.
2. Remove the one (1) screw holding the base plate cover to the base
plate and remove the base plate cover.

[10] COOLING FAN MOTOR REMOVAL

1. REMOVAL
1. Disconnect the power supply cord and remove outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. Disconnect the wire leads from the fan motor.
5. Remove the one (1) screw holding the capacitor holder to the oven
cavity rear plate.
6. Remove the one (1) screw holding the fan duct to the oven cavity
rear plate.
7. Release the tabs of the capacitor holder from fan duct.
8. Remove the fan duct from the oven.
9. Remove the fan blade from the fan motor shaft according to the fol-
lowing procedure.
10.Hold the edge of the rotor of the fan motor by using a pair of groove
joint pliers.
CAUTION: MAKE SURE THAT ANY PIECES DO NOT ENTER THE
GAP BETWEEN THE ROTOR AND THE STATOR OF THE
FAN MOTOR. BECAUSE THE ROTOR IS EASY TO BE
SHAVEN BY PLIERS AND METAL PIECES MAY BE PRO-
DUCED.
DO NOT TOUCH THE PLIERS TO THE COIL OF THE
FAN MOTOR BECAUSE THE COIL MAY BE CUT OR
INJURED.
DO NOT DISFIGURE THE BRACKET BY TOUCHING
WITH THE PLIERS.
11.Remove the fan blade assembly from the shaft of the fan motor by
pulling and rotating the fan blade with your hand.
12.Now, the fan blade will be free.
®
connector.
®
connector.
®
CONNEC-
Positive lock
connector
Lever
Figure C-1. Positive Lock
3. Disconnect the wire leads from the antenna motor and remove the
one (1) screw holding the antenna motor.
4. Remove the antenna motor shaft from the antenna motor.
5. Now, the antenna motor is free.
CAUTION: DO NOT
BECAUSE THE HOLE (FOR SHAFT) MAY BE LARGER
THAN NORMAL.
13.Remove the two (2) screws holding the fan motor to the fan duct.
14.Now, the fan motor is free.
2. INSTALLATION
1. Install the fan motor to the fan duct with the two (2) screws.
2. Install the fan blade to the fan motor shaft according to the following
procedure.
3. Hold the center of the bracket which supports the shaft of the fan
motor on the flat table.
4. Install the fan blade to the shaft of fan motor by pushing the fan
blade with a small, light weight, ball peen hammer or rubber mallet.
CAUTION: DO not hit the fan blade hard when installing because the
bracket may be disfigured.
MAKE SURE THAT THE FAN BLADE ROTATES
SMOOTH AFTER INSTALLED.
MAKE SURE THAT THE AXIS OF THE SHAFT IS NOT
SLANTED.
5. Install the fan duct to the oven cavity rear plate with the one (1)
screw.
6. Insert the tabs of the capacitor holder to the fan duct.
7. Install the capacitor holder to the oven cavity rear plate with the one
(1) screw.
8. Re-connect the wire leads to the fan motor.
11 – 3
Terminal
R
1
Push
2
Pull down
®
Connector
RE-USE THE REMOVED FAN BLADE