L.B. White 140 Owner's Manual And Instructions

Contents

L.B. White 140 Owner's Manual And Instructions Manual pdf 18 page image

18LEAD END OF THERMOCOUPLETHERMOFUSE5/16" COVERUPPER NUTTHERMOCOUPLELEADCOVERLOWER NUTTHERMOCOUPLE INSTALLEDUPPER RETAINING NUTKEY HOLE SLOTCOVERTHERMOCOUPLE INSTALLEDINJECTOR TUBETHERMOCOUPLE BODYRETAINING NUTCOVERTHERMOCOUPLE TIPLOCATION HOLE IN PLATE1/2 IN TO 9/16 INFINISHEDTHERMOCOUPLEPOSITION1. Remove the thermocouple at the pilot gas controlvalve. 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, fromthe heater assembly.5. Transfer nuts and cover to replacementthermocouple. Position as shown in Fig. 22.6. Position the thermalfuse under the retaining clip andtighten the screw.7. Install the thermocouple. Angle the thermocouple tipto allow passage through the keyhole slot and into thethermocouple location hole of the burner plate. Pullup on the thermocouple lead so the lower nut is tightagainst the inside of the heater housing. Tightenupper nut against the housing. See Fig. 23.8. The installed finished position of the thermocouple is1/2 - 9/16 inch from the top edge of thermocouple tothe heater housing. See Fig. 23.9. Thread the nut on thermocouple into gas controlvalve. Tighten finger tight and snug in place. DO NOTOVERTIGHTEN.FIG. 20FIG. 21FIG. 22FIG. 23THERMOCOUPLESCREWRETAININGCLIPTHERMOCOUPLEINJECTORBODY THERMALFUSEVENTURI TUBE