© 2011 Viking Preferred Service
44
Service Diagnostics and Procedures
Wash Diverter Disassembly (cont.)
Disconnect the yellow hose clamp connection from
the diverter inlet as shown.
The wash diverter is attached to the sump by
the use of three T20 TORX® screws. Remove all
three screws.
Remove the diverter from the sump assembly. The
image below (left) shows the rear of the diverter
and below (right) shows the sump area with the
diverter removed.
Note: There are two O-rings that must be put
back. Failure to do so will result in a water leak.
Circulation Motor Disassembly
The 325 and 450 Series Dishwasher utilizes a three-
phase AC induction motor with variable speed
capabilities. The motor is controlled by the motor
controller. When required, the main control sends
signal voltage to the motor controller to operate
the circulation motor. Voltage to all three windings
is in the 150 – 160 volt range, measured from each
leg to ground. The image below shows the 4-wire
connector plug from the controller to the motor.
Unplug the connector to test or remove the motor.
The image below shows the hose connections to
the circulation motor inlet, output, and the filter
clean sump inlet. Disconnect the green hose clamp
from the heater tube to pump inlet as well as the
red hose clamp from the filter inlet tube on the
pump assembly. Disconnect the pump inlet hose
from the pump assembly.
Yellow Clamp
(Diverter Inlet)
Screw
CAUTION
It is recommended that the diverter be taken
out before removing the circulation motor. It
makes it easier to handle the motor assembly.
Output
Green Clamp
(Pump Inlet)
Red Clamp
(Filter Inlet)
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