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Belshaw Bros., Inc. 1750 22
nd
Ave. S. Seattle, WA 98144 Phone 206-322-5474 Fax 206-322-
5425
16 MN-1126EN 618L, 624, and 634 Electric Fryers
B Electrical Components
This appendix explains how to test the continuity
of electrical components in your fryer. These
include the toggle switch and the thermostat.
The appendix also contains a document by the
Robertshaw Controls Company, the maker of the
thermostat we use in the 618L, 624, and 634. It
explains how to check, adjust, and recalibrate the
thermostat.
Testing the Continuity of
the Toggle Switch
WARNING
To avoid the possibility of electric shock,
disconnect the machine from the power
source before testing.
1. Disconnect the machine from the power
source.
2. Disconnect the terminal wires from the
switch.
3. Obtain a continuity tester or a volt-ohm
meter. If neither of these instruments is
available, make a continuity tester using a
battery and a bulb. See Figure B-1.
4. Connect the wires of the continuity tester to
the switch terminals, as shown in Figure B-
1, and test the switch in the ON and OFF
positions. The switch should show
continuity only when in the ON position.
Figure B-1. Toggle Switch Continuity Test.
+
battery
_
switch
terminals
toggle switch