Power Supply Cord Replacement; Power Transformer Removal - Viking VHSO205SS Service Manual

VHSO205SS
CAUTION
1. DISCONNECT T HE OVEN FROM T HE POWER SUPPLY
BEFORE REMOVING THE OUTER CASE CABINET.
. DISCHARGE THE HIGH VOLTAGE CAPACITOR
BEFORE TOUCHING ANY OVEN COMPONENTS OR
WIRING.
NOTE
When replacing the outer case cabinet, the two (2)
special Torx screws must be reinstalled in the same
locations.
1. Open covers of the terminal insulator by using small flat
type screw driver.
. Remove the receptacle from the terminal insulator.
3. Now, the terminal insulator is free.
Installation
Terminal
insulator
Removal
1. Disconnect the power supply cord.
. Remove the outer case cabinet, referring to "OUTER
CASE CABINET REMOVAL".
3. Open the oven door and block it open.
4. Discharge the high voltage capacitor.
5. Remove the one (1) screw holding the green wire of the
power supply cord to the bottom plate.
6. Disconnect the black wire of the power supply cord from
the fuse holder, and the white wire from the main wire
harness.
7. Nip the cord bushing with bushing pliers and release it
from the hole of the back plate.
8. Remove the cord bushing from the power supply cord,
and the power supply cord from the back plate.
9. Now, the power supply cord is free.
1. Disconnect the power supply cord.
. Remove the outer case cabinet, referring to "OUTER
CASE CABINET REMOVAL".
3. Open the oven door and block it open.
4. Discharge the high voltage capacitor.
5. Remove the one (1) screw holding the green wire of the
power supply cord to the bottom plate.
6. Disconnect the black wire of the power supply cord from
the fuse holder, and the white wire from the main wire
harness.
1. Disconnect the power supply cord.
. Remove the outer case cabinet, referring to "OUTER
CASE CABINET REMOVAL".
3. Open the oven door and block it open.
4. Discharge the high voltage capacitor.
5. Remove the back plate from the oven, referring to "BACK
PLATE REMOVAL".
TERMINAL INSULATOR REPLACEMENT
Flat type
screw driver

POWER SUPPLY CORD REPLACEMENT

BACK PLATE REMOVAL

POWER TRANSFORMER REMOVAL

34
Special screw
Screw Driver
(Type: TORX T0 H or
GTXH0-100)
Figure C-1. Special screw postion
1. Insert the receptacle into terminal insulator.
. Close covers of the terminal insulator, as shown illustrated
below
Covers
Receptacle
Reinstall
1. Reinstall the cord bushing to the power supply cord.
. Insert the power supply cord with the cord bushing into
the hole of the back plate.
3. Hold the green wire of the power supply cord to the
bottom plate with the one (1) screw.
4. Reconnect the black wire of the power supply cord to
the fuse holder, referring to the pictorial diagram.
5. Reconnect the white wire of the power supply cord to the
main wire harness, referring to the pictorial diagram.
6. Reinstall the outer case cabinet and check that the oven
is operating properly.
7. Remove the three (3) screws holding the back plate to
the bottom plate.
8. Remove the two () screws holding the right and left
chassis supports to the back plate.
9. Release the tabs of the chassis supports from the back
plate.
10. N ow, the back plate is free.
6. Disconnect the main wire harness from the power
transformer.
7. Disconnect the high voltage wire and filament leads of
the power transformer from the high voltage capacitor
and the magnetron.
8. Remove the two () screws holding the transformer