Dimmer And Motor Speed Controls - Viking DCH3042 Service Manual

To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all ground wires are connected before certifying unit as repaired and/or operational.
The Dimmer switch and Motor Speed control are secured to the frame from the front
locking nut. In order to replace the Light and Fan On/Off switch, remove the nuts that
secure the switches to the mounting bracket. The location is shown circled in FIG 14.
FIG 15 shows the location of the High Temperature Thermostat. If the hood cavity exceeds
160° Fahrenheit, The thermostat will close and run the blower motor at full power. To
remove, drill out the two pop rivets and remove bracket holding thermostat. Reinstall new
thermostat and install two new rivets.
In order to replace the Blower Motor or blower wheels, first unplug mole connector from
motor housing. Loosen the locking nuts shown in FIG 16, one on each side of the motor
assembly, then move bolts away from the motor assembly. Reinstall in reverse order and
secure locking nuts.
CAUTION! Make sure motor is held in place while removing so it does not drop on the
cooking surface below.
FIG. 16
©2012 Viking Preferred Service
!
FIG. 14
WARNING
Disassembly
FIG. 15
21