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I-3 Radiant Heater
Owner’s Manual • I-3
19
THERMOCOUPLE
1. Remove the thermocouple bracket nut. .
2. Pull the thermocouple from its mounting location.
3. Disconnect thermocouple from pilot safety gas
control valve. Replacement thermocouple will
include a factory installed locator bracket with
retaining nut.
FIG. 18
THERMOCOUPLE
HOLE
STUD
INJECTOR TUBE
NUT
THERMOCOUPLE
LOCATION BRACKET
COMBUSTION CONES AND GASKET
1. Remove all nuts from the three burner screws.
See Fig. 19.
2. Remove thermocouple from burner.
3. Using pliers, straighten the tab at the top of both
truss clips. The truss clips will drop to the cone side
of the heater.
FIG. 19
4. Slide the canopy guard away from the burner top.
5. Slide the outer cone from the retainer slots.
Remove the three bolts and spacers.
FIG. 20
6. Remove the burner plate and inner cone for access
to
the burner gasket. A replacement gasket must be
installed whenever the inner cone is removed. Clean
the surface to which the gasket is located beforehand.
FIG. 21
7. When reassembling, ensure:
-- Inner cone weld seam aligns to burner plate notch.
See. Fig.20.
-- All burner nuts and screws are securley tightened.
GAS PRESSURE CHECKS
A. Preparation
1. Obtain an L.B. White pressure gauge test kit - Part
No. 500-20736.
2. Close the fuel supply valve to the heater.
3. Brush or blow off any dust and dirt on or in the vicin
-
ity of the safety control valve.
4. Disconnect the gas hose from the heater.