Thermocouple – L.B. White I-34 Infraconic Ignition User Manual
Page 18
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LEAD END OF THERMOCOUPLE
THERMOFUSE
5/16"
COVER
UPPER NUT
THERMOCOUPLE
LEAD
COVER
LOWER NUT
THERMOCOUPLE INSTALLED
UPPER RETAINING NUT
KEY HOLE SLOT
COVER
THERMOCOUPLE INSTALLED
INJECTOR TUBE
THERMOCOUPLE BODY
RETAINING NUT
COVER
THERMOCOUPLE TIP
LOCATION HOLE IN PLATE
1/2 IN TO 9/16 IN
FINISHED
THERMOCOUPLE
POSITION
1. Remove the thermocouple at the pilot gas control
valve. See Fig. 20.
2. Loosen the thermalfuse retaining clip screw.
See Fig. 20.
3. Loosen upper retaining nut on thermocouple.
See Fig. 21.
4. Remove the thermocouple, with nuts and cover, from
the heater assembly.
5. Transfer nuts and cover to replacement
thermocouple. Position as shown in Fig. 22.
6. Position the thermalfuse under the retaining clip and
tighten the screw.
7. Angle the thermocouple tip to allow passage through
the keyhole slot and into the thermocouple location
hole of the burner plate. Pull up on the thermocouple
lead so the lower nut is tight against the inside of the
heater housing. Tighten upper nut against the
housing. See Fig. 23.
8. The installed finished position of the thermocouple is
1/2 - 9/16 inch from the top edge of thermocouple to
the heater housing. See Fig. 23.
9. Thread the nut on thermocouple into gas control
valve. Tighten finger tight and snug in place. DO NOT
OVERTIGHTEN.
FIG. 20
FIG. 21
FIG. 22
FIG. 23
THERMOCOUPLE
SCREW
RETAINING
CLIP
THERMOCOUPLE
INJECTOR
BODY
THERMAL
FUSE
VEN
TUR
I TU
BE