Safety Control Valve - L.B.White I-40 Manual De Usuario

20
I-40 Manual and Spark Ignition
FIG. 12
FUEL SUPPLY VALVE
(OPEN THIS VALVE TO
USE PRESSURE GAUGE)
OPEN
Service Instructions
Safety Gas Control Valve
1. Disconnect the gas hose.
2. Disconnect the thermocouple from the safety
valve.
3. Loosen the jam nut on the air housing.
4. Apply a soft fl ame to the body of the
safety control valve where it threads
to the air housing. This will soften the
thread sealant which is factory applied to the
air housing threads. Turning counterclockwise,
remove the safety control.
When reassembling:
-- Ensure o-ring is seated in jam nut.
-- Apply Loctite (supplied with replacement) to fi rst
four threads of air housing.
-- Thread the safety control valve onto the air hous-
ing at least four full turns, and as needed to allow
the valve to be installed in an upright position.
-- Thread the jam nut hand tight against the body of
the control and secure in place with a wrench.
FIG. 13

Safety Control Valve

Jam Nut O-Ring
Apply Loctite
Thermocouple
Owner's Manual • I-40
TEST KIT HOSE
PRESSURE GAUGE KIT
20736
GAS INLET OF HEATER
GAS SUPPLY HOSE
Air
Housing