Sharp r-8580 manual Damper, ASSEMBlY, Convection Heater Or Convection Fan Removal

Models: r-8580

1 51
Download 51 pages 26.11 Kb
Page 33
Image 33
DAMPER

R -8580

 

 

 

 

 

 

 

 

DAMPER

ASSEMBlY

REMOVAL

 

 

 

 

 

1.

Disconnect

oven

from

power

supply

and remove

7.

Raise

the

stopper

of the

damper

shaft,

and

pull out

 

outer case.

 

 

 

 

 

 

 

 

 

the

damper shaft.

 

 

 

 

 

2.

Discharge

the

high

voltage

capacitor.

 

 

8.

Pull

the damper

ass’y out of the

thermal protection

3.

Disconnect

wire

leads

from

damper

motor

and

 

plate(

right).

 

 

 

 

 

 

 

damper

switch.

 

 

 

 

 

 

 

9.

Remove

one

(1)

screw

holding

the

motor

to the

4.

Do above

the

MAGNETRON

 

REMOVAL

from

No.3

 

damper.

 

 

 

 

 

 

 

 

to No.6.

 

 

 

 

 

 

 

 

 

1O-The damper

is now free.

 

 

 

 

5.

Remove

one

(1) screw

holding the magnetron

air

11 .Remove

one

(1)

screw

holding

the damper

switch

 

guide to

waveguide

flange.

 

 

 

 

 

to the

damper.

 

 

 

 

 

6.

Remove

the magnetron

air

guide.

 

 

12.Now,

 

the

damper

switch

is free.

 

 

 

CONVECTION HEATER OR CONVECTION FAN REMOVAL

I. Do CONVECTION MOTOR REMOVAL from No.1 to No.10.

2.Remove five (5) screws holding the convection air

guide (4-40,4-41,4-42,4-45) to the heater duct.

3.Remove four (4) screws holding the convection air guide (4-38) to the heater duct.

4.The convection air guide is now free.

5.Remove two (2) screws holding heating element holders to the heater duct and remove them.

6.Remove two (2) screws holding convection heater to heater duct.

7.Pull the convection heater out of the heater duct.

8. Now the convection heater is free.

CONVECTION FAN

1.Do CONVECTION MOTOR REMOVAL from No.1 to No.13.

2.Remove two (2) screws holding the shaft mounting plate ass’y to the heater duct.

3.Pull the convection fan and washer out of the heater duct.

4.Convection fan is now free.

UPPER LATCH SWITCH / MONITOR SWITCH REMOVAL

1.Disconnect oven from power supplv. . . and remove outer case.

2.Discharge the high voltage capacitor.

3.Disconnect the wire leads from the switches.

4.Remove the one (1) screw holding the upper latch hook to the oven flange.

5.Remove the upper latch hook assembly from oven flange.

6.Push outward on the two (2) retaining tabs holding the switch in place.

7.The switch is now free.

Re-install

1. Re-install each interlock switch in its place. The monitor switch is in the upper position and the up- per latch switch is in the lower position.

2. Re-connect the wire leads to each switch. Refer to the pictorial diagram.

3. Secure the upper latch hook (with the one (‘I ) mounting screw) to the oven flange.

4. Make sure that the monitor switch and upper. latch switch are operating properly.

Refer to chapter “Test Procedure” and “Adjustment procedure”.

(RDA1203tJ)

LOWER LATCH SWITCH AND STOP SWITCH REMOVAL

1.Disconnect the oven from the power supply and remove the outer case.

2.Discharge the high voltage capacitor.

3.Disconnect the wire leads from the switches.

4.Remove the one (1) screw holding the lower latch hook to the oven cavity front frange.

5.Remove the lower latch hook from the flange by moving it downward.

6.To remove the individual switch from the lower latch hook, push outward the two (2) retaining tabs holding the switch in place.

7.The switch is now free.

Re-install

1.Re-install each interlock switch in its place. The stop switch is in the upper position and the lower latch switch is in the lower position.

2.Re-connect the wire leads to each switch. Refer to the pictorial diagram.

3.Secure the lower latch hook (with the one (1) mounting screws) to the oven flange.

4.Make sure that the lower latch switch and stop switch are operating properly.

Refer to chapter “Test Procedure” and “Adjustment procedure”.

(RDAl203U)

(RDA1203U)

32

Page 33
Image 33
Sharp r-8580 Damper, ASSEMBlY, Convection Heater Or Convection Fan Removal, Lower Latch Switch And Stop Switch Removal