28
R-7H55
Shaft
Axis
Stator
These are the position
where should be
pinched with pliers
Rotor
Side view
*
Make sure that the fan blade rotates smooth after
installation.
*
Make sure that the axis of the shaft is not slanted.
4. Reset the fan duct assembly to its place.
5. Install the fan duct to the waveguide with the two (2)
screws.
6. Install the fan duct to the oven cavity front face plate with
the one (1) screw.
7. Re-install the main harness and the thermistor harness
to each hole of the fan duct.
8. Re-install the chassis support to the oven cavity front
face plate, magnetron and the rear cabinet with the three
(3) screws.
9. Re-install two snap bands of the thermistor harness to
the chassis support.
10.Hold the main wire harness with the wire holder.
11.Re-connect the wire leads to the fan motor, thermal cut-
out (FAN) and the damper motor, referring to the pictorial
diagram.
INSTALLATION
1. Re-install the thermal cut-out mounting angle (with
thermal cut-out) to the fan motor with one (1) screw.
2. Install the fan motor to the fan duct with the two(2)
screws.
3. Install the fan blade to the fan motor shaft according the
following procedure.
1) Hold the center of the bracket which supports the shaft
of the fan motor on the flat table.
2) Apply the screw lock tight into the hole (for shaft) of the
fan blade.
3) 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 strongly when installed
because the bracket may be disfigured.
Shaft
Table
Center of
bracket
TURNTABLE MOTOR REMOVAL
1. Disconnect the oven from power supply.
2. Remove the turntable tray, and the turntable support out
of the oven cavity.
3. Turn the oven upside down and remove one (1) screw
holding the turntable motor cover to the base plate and
take off the turntable motor cover.
4. Disconnect wire lead from the turntable motor.
5. Remove the two (2) screws holding the turntable motor
to the thermal cover (bottom).
6. Now, turntable motor is free.
DAMPER ASSEMBLY REMOVAL
1. CARRY OUT 3D CHECKS.
2. Disconnect wire leads from damper motor and damper
switch.
3. Remove one (1) oven side screw holding the damper
duct to oven cavity
4. Release one (1) tab of the terminal cover right from the
damper duct.
5. Remove the damper assembly from the oven.
6. Remove one (1) screw holding damper motor to damper
duct.
7. Damper motor is free.
8. Bend the tab holding the damper switch to the damper
duct..
9. Remove the damper switch from the damper duct..
1. CARRY OUT 3D CHECKS.
2. Disconnect wire leads from power supply cord terminals.
3. Remove one (1) screw holding the capacitor holder to
the rear cabinet.
4. Remove eight (8) screws holding the rear cabinet the
chassis support, oven cavity, thermal cover right,
waveguide assembly and the base plate.
5. Disconnect wire leads from the thermistor, thermal cut-
out, convection motor and heater element.
THERMISTOR REMOVAL
6. Remove two (2) screws holding the thermistor to the
convection duct.
7 Now, the thermistor is free
THERMAL CUT-OUT (CONV.) REMOVAL
8. Remove two (2) screws holding the thermal cut-out to the
convection motor mounting plate.
9. Now, the thermal cut-out is free.
CONVECTION HEATER REMOVAL
10.Remove three (3) oven side screws holding the convection
duct to the oven cavity.
11.Remove six (6) screws holding the convection duct to the
oven cavity.
12.Remove two (2) screws holding two heater mounting
CONVECTION DUCT ASSEMBLY REMOVAL
Summary of Contents for R-7H55
Page 2: ...R 7H55 ...
