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If the closed circuit millivoltage reading is greater than the maximum value
given in the chart, it indicates high resistance thermostat contacts or a faulty
internal connection. A reading equal to the open circuit reading indicates a
loss of fill in the thermostat or an open circuit in the actuator coil.
If the
closed circuit millivoltage reading is less than the minimum value given in the
chart,
it
indicates a shorted actuator coil or a defective thermocouple. The
thermocouple should be checked according to procedure No. 1. The rest of
the indicated faults require replacement of the Basotron actuator.
REPLACEMENT PARTS LIST
REPLACEMENT ITEM
Adapter Nut - No. 1
Adapter Nut - No. 2
Lead Adapter - No. 4
Split Nut Adapter - No. 3
Red Cable
White Cable
Black Cable
Clip Cable
Adiusting Knob
Selector Knob
Fixed Load Adapter "A"
Closed Circuit Adapter "B"
19
PART No.
31543-1
31543.2
4248 3-1
40073-3
44549.3
44549-6
44549-7
44549.4
44589.1
90409.6
903 89-6
90379-6
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