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Operating
Bettcher Industries, Inc.
Whizard® Power Knife Manual
Instructions
October 21, 2020
Page 12
8.3 Power Supply
Maintenance
There is no regularly-scheduled maintenance required on the
Power Supply
.
Changing the Fuse
Risk of shock hazard. Disconnect from line voltage before servicing.
The Power Supply is protected by a 2.5-
ampere slow-blow fuse.
This fuse is located inside the power-
supply fuse box enclosure.
To change the fuse, remove the
cover
of
fuse box enclosure by loosening the four
captive screws. The fuse is located in a
black water tight fuse holder
.
Separate the
two ends of the fuse holder to expose the
fuse. Replace the fuse with the proper 2.5-
ampere slow- blow fuse.
Re-assemble fuse holder and re-install the
cover
. Ensure gasket is properly seated.
WARNING:
Risk Of Shock Hazard - Disconnect From Line Voltage Before Servicing.