Service Instructions; General; Safety Control Valve And Burner Orifice; Tip Switch - L.B. White CR035 Owner's Manual And Instructions

Burn Hazard
■
Heater surfaces are hot for a period of time after the
heater has been shut down.
■
Allow the heater to cool before performing any service
■
Failure to follow this warning will result in burns
causing injury.
Fire and Explosion Hazard
■
Do not disassemble or attempt to repair any heater
components or gas train components.
■
All component parts must be replaced if defects are
found.
■
Failure to follow this warning will result in fire or
explosions, causing property damage, injury, or death.
1. Disconnect the thermocouple from the safety control
valve.
2. Remove the locking nut as shown in Fig. 7.
3. Remove the safety control with orifice from the
heater.
The tip switch is a normally closed device. It will open the
circuit to the safety control valve and shut the burner off
if the heater is accidentally tipped over, moved while in
operation, or operating on an inclined surface.
The tip switch must be tested before each use.
-- Place the heater to normal operating
position.
-- Light the heater.
-- Tip the heater at least 35 degrees. The
switch should open and shut the burner off.
-- If the heater continues to burn, the switch is
defective and should be replaced.
WARNING
WARNING

SAFETY CONTROL VALVE and BURNER ORIFICE

Service Instructions

1. Close the fuel supply valve to the heater before
ser vicing unless necessar y for your ser vice
procedure.
2 Disconnect the gas hose if needed for the service
procedure.
3. For reassembly, reverse the respective service
procedure. Ensure gas connections are tightened
securely.
4. After servicing, start the heater to ensure proper
operation and check for gas leaks.
5. Clean the heater's orifice with compressed air or a
soft, dry rag. Do not use files, drills, etc., which may
enlarge the holes, causing combustion problems or
burner flame extending outside of the burner.
Replace the orifice if its hole cannot be cleaned
properly.
FIG. 7
LOCK NUT
FIG. 8

TIP SWITCH

GENERAL

BURNER
ORIFICE
SAFETY
CONTROL
TIP SWITCH
12