Sharp R-939(BK), Руководство по обслуживанию

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R939(W)
11 – 3
i) Hold the centre of the bracket which supports the shaft of the
fan motor on a flat table.
ii) Apply the screw lock tight into the hole (for shaft) of the fan
blade.
iii) 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 when installing because the
bracket may be deformed.
• Make sure that the fan blade rotates smoothly after
installation.
• Make sure that the axis of the shaft is not slanted.
3. Insert the tabs of the fan duct to the back plate.
4. Install the fan duct to the back plate with the one (1) screw.
5. Re-install the chassis support to the oven cavity with the four (4)
screws.
6. Install the noise filter to the fan duct and the chassis support with
the one (1) screw.
7. Re-connect the wire leads to the fan motor.
[8] TURNTABLE MOTOR REPLACEMENT
1. REMOVAL
1. Disconnect the oven from the power supply.
2. Remove the turntable and roller stay from the oven cavity.
3. Turn the oven over.
4. Cut the three (3) bridges holding the turntable motor cover to the
base plate with cutting pliers as shown in Figure C-1(a).
CAUTION: DO NOT DROP THE TURNTABLE MOTOR COVER INTO
THE OVEN AFTER CUTTING THE BRIDGES. BECAUSE
IT WILL DAMAGE THE WIRE LEADS OF THE MOTOR
AND IT IS DIFFICULT TO REMOVE IT OUT OF THE
OVEN.
5. Remove the turntable motor cover from the base plate.
6. Disconnect the wire leads from the turntable motor.
7. Remove the two (2) screws holding the turntable motor to the oven
cavity back plate.
8. Remove the turntable motor from the turntable motor angle. Now,
the turntable motor is free.
2. REINSTALL
1. Remove the any sharp edges on the turntable motor cover and the
base plate with the cutting pliers.
2. Re-install turntable motor by locating shaft onto coupling to the
oven cavity base plate with the two (2) screws.
3. Re-connect the wire leads to the turntable motor.
4. Insert the one (1) tab of the turntable motor cover into the slit of the
base plate as shown in Figure C-1(b).
5. Re-install the turntable motor cover to the base plate with the screw
(XHPS740P08K00) as shown in Figure C-1(b).
Figure C-1(a) Turntable Motor Cover Replacement
Figure C-1(b) Turntable Motor Cover reinstall
[9] CONVECTION MOTOR AND CONVECTION HEATING ELEMENT REMOVAL
1. CONVECTION UNIT ASSEMBLY REMOVAL
1. CARRY OUT 3D CHECKS.
Now, the outer case cabinet and the air duct should have been
removed.
2. Remove the one (1) screw holding the earth wire of the power sup-
ply cord to the back plate.
3. Release the power supply cord from the back plate.
4. Remove the two (2) screws holding the rear barrier to the base
plate.
5. Release the three (3) tabs of rear barrier from the base plate. And
remove the rear barrier.
6. Remove the one (1) screw holding the back plate to the base plate.
7. Remove the one (1) screw holding the chassis support to the back
plate.
8. Remove the one (1) screw holding the back plate to the air intake
duct.
Gap
Rotor
Bracket
Stator
Groove joint pliers
Coil
Shaft
Axis
Stator
Rotor
These are the positions
that should be pinched
with pliers.
Shaft
Table
Center of
bracket
Rear View
Side View
Cutting pliers
Turntable
motor cover
Bridges
Base plate
Turntable
motor cover
Tab
Screw: XHPS740P08K00
Base plate
Slit