Control Cabinet Fuse Replacement; Motor Overload Adjustment And Replacement - Champion USN-72 Technical Manual

Part 5: BASIC SERVICE

5.3.21 Control Cabinet Fuse Replacement

Two fuse holders, located in the dishwasher remote control cabinet
protect the main control transformer. Each fuse block holds a 3 amp fuse.
The fuses are marked 1FU and 2FU on the schematic.
To replace a fuse: Turn off the power to the dishwasher at the main
service disconnect switch. Flip the tab on the top of the fuse holder to
open the holder. Remove the fuse and replace with a fuse of the same
amp rating. The picture to the right shows the fuse holder open and
the fuse exposed.

5.3.22 Motor Overload Adjustment and Replacement

Each motor has an overload to protect it from line voltage electrical overloads.
The overload disconnects 120VAC power to the motor contactor coil.
.
Refer to the picture to the right.
Note the Switch Lever on the Overload.
If the switch lever is off with the "0" showing
then the overload has tripped.
To Reset the Motor Overload:
Flip the overload switch to the On position.
A "1" should be visible on the switch lever.
To Replace a Motor Overload:
Disconnect the wires to the overload.
Release the mounting catch on the front
side of the overload. Push forward and lift out.
Snap the new overload into place and reconnect
the wires.
To adjust the overload setting:
The screwdriver is positioned
to adjust the motor overload AMP setting.
Read the full load amps (FLA) motor amps on the motor nameplate.
Adjust the overload dial to match the nameplate FLA of the motor.
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Switch Lever