Thermocouple - L.B.White I-17 Manual Del Usuario E Instrucciones

6. When reassembling, ensure:
-- Inner cone weld seam aligns to burner plate notch.
See. Fig.26.
-- All burner nuts and screws are securley tightened.
-- Cone weld seams are aligned as shown in Fig. 27
before final installation.
-- Outer cone flange is positioned under all retainers.
-- Model I-40: Outer cone tabs are folded under burner
plate.
FIG. 27
Weld
Seams
Aligned

THERMOCOUPLE

A. REPLACEMENT
1. Loosen the thermocouple connector nut at the
safety control valve. See Fig. 28.
2. Loosen the screw securing the clip holding the
thermocouple's auto reset temperature switch to the
air housing. See Fig. 28.
3. Loosen upper retaining nut on thermocouple. See
Fig. 29.
4. Remove the thermocouple, with nuts and cover,
from the heater.
5. Position the thermocouple cover and nuts onto the
replacement thermocouple as shown in Fig. 30 Use
the cover from the original thermocouple and the
nuts supplied with the replacement.
6. Angle the thermocouple slightly so its tip and lower
nut pass through the keyhole slot. The tip must be
located within 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 cover and
housing.
I-17 / I-40 Manual and Spark Ignition
Notches
Align to
Retainers
Owner's Manual • I-17 / I-40
7. The installed finished position of the thermocouple is
1/2 to 9/16 inch from the top edge of thermocouple to
the heater housing. See Fig. 31.
8. Thread the nut on thermocouple into gas control valve.
Tighten finger tight and snug in place. Position the
thermocouple's auto reset switch under the retaining
clip and tighten the screw.
FIG. 28
Air Housing
Thermocouple Nut
FIG. 29
THERMOCOUPLE INSTALLED
FIG. 30
COVER
5/16"
UPPER NUT
FIG. 31
THERMOCOUPLE INSTALLED
Retaining Clip and Screw
Venturi Tube
Auto Reset
Temperature Switch
UPPER RETAINING NUT
KEY HOLE SLOT
COVER
THERMOCOUPLE
LEAD
COVER
LOWER NUT
FINISHED
INJECTOR TUBE
THERMOCOUPLE
POSITION
THERMOCOUPLE BODY
RETAINING NUT
1/2 IN TO 9/16 IN
COVER
THERMOCOUPLE TIP
LOCATION HOLE IN PLATE
25