L.B. White I17 Owner's Manual And Installation Instructions

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L.B. White I17 Owner's Manual And Installation Instructions Manual pdf 15 page image

IGNITION LEADIGNITION CONTROLMOUNTING SCREWS1. Disconnect heater from its electrical supply.2. Close fuel supply valves to heater.3. Remove dust filter and filter sleeve.4. Remove the screws that secure the control box coverto the control box and lift cover from box.5. Disconnect all electrical leads from the ignitioncontrol terminals.6. Disconnect high voltage ignition lead.7. Remove the screws which secure the ignition controlmodule to the control box. See Fig. 8.8. To re-assemble, reverse these procedures.FIG. 8ADAPTERINLETBUSHINGGROUND LEADVALVE GROUNDING ANDATTACHMENT SCREWADAPTER VENTURINECKBURNER ORIFICEGAS CONTROLVALVE1. Close fuel supply valves to the inlet of heater.2. Disconnect the heater from its electrical supply.3. Remove the screw which secures the venturi neckand valve ground lead to the venturi tube.4. Remove injector body with gas control from venturitube.5. Using a 6 mm hex nut driver, remove the orifice headfrom the orifice body by turning counter-clockwise.6. Use compressed air to clean the orifice hole. Do notpush or poke any small file, broach, etc. throughorifice holes. Doing so may enlarge the hole, causingcombustion problems. Reinstall orifice head backinto the orifice body. Make sure you do notovertighten the orifice as overtightening can strip thethreads in the injector body.FIG. 9BURNER ORIFICEBOOTSWITCH1. Disconnect the heater from its electrical supply.2. Close fuel supply valves to heater..3. Remove filter and filter sleeve (if applicable). Removethe screws that secure the control box cover to thecontrol box and lift cover from box.4. Disconnect the electrical leads from the ON/OFFswitch.5. Using the appropriate wrench, remove the rubber bootfrom the ON/OFF switch. See Fig. 7.6. Remove the switch from the control box.7. To re-assemble, reverse these procedures.FIG. 7ON/OFF SWITCHATTENTIONWhen removing or replacing the ignition control moduleit is important to handle the module at the edges of theboard. Do not touch or allow any contact to the modulecomponents. Doing so may damage the electronics ofthe module.14IGNITION MODULE