Assessments - 3, GPA: 4.7
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button for at least one minute. Does pilot light? Line pressure within the range indicated on boiler's rating plate? N Y *Pilot tubing blocked, kinked or leaking *Pilot orifice blocked *Gas line not purged of air *Pilot improperly adjusted. NOT LIGHT) Main burners light? Does pilot stay lit? Y Turn control on gas valve to Depress red button and light pilot. Hold Turn control on gas valve to ON. Ensure knob on gas valve is set to ON N Y N *Defective gas valve Y Y Does pilot stay lit when red button is released? N Disconnect thermocouple from gas valve. Connect a volt meter to the thermocouple. Light the pilot and hold down the red button while reading the voltage across the thermocouple. END *Loose thermocouple connection at gas valve. *Defective thermocouple. *Condensation quenching pilot. *Low line pressure. Consult gas supplier. N Y N Is voltage at least 18mV? *Defective thermocouple *Pilot improperly adjusted *Pilot tube blocked, kinked, or leaking *Pilot orifice partially plugged *Loose or defective thermocouple connection at gas valve *Defective gas valve 39 Intermittent Ignition System Troubleshooting Chart START (24 volts is present across 5 and 6 on S8600 module, but main burners do not light) Caution: Read page 34 before attempting to use this chart Does spark stop when pilot lights? 24 volts across terminals 2&3 at S8600? Spark across ignitor/sensor gap? Y Can you hear sparking? N Pilot lights? Y NN *Defective S8600 module 24 volts across PV & MV/PV at gas valve? N Main burner lights? N Y 24VAC across terminals 1&2 on S8600? Y N *Defective S8600 module 24 volts between MV & MV/PV on gas valve? END N Y Y N Y Y Y *Faulty S8600 module *Break in spark cable *Loose connection in ignition cable or ground wire N *Defective EI harness *Defective EI wiring harness. insulation *Break in pilot porcelain *Incorrect pilot spark gap *Loose connection in spark cable *Loose ground connection * Low line pressure *Plugged, kinked or leaking pilot tubing *Plugged pilot orifice *Gas line not purged of air *Defective pilot assembly *Defective gas valve *Pilot electrode porcelain cracked *Pilot flame not covering gap between electrode and grounding strap *Low gas pressure at gas valve inlet *Defective S8600 module *Defective gas valve 40 XIV PARTS The following parts may be obtained from any Crown distributor. To find the closest Crown distributor, consult the area Crown representative or the factory at: Crown Boiler Co. Customer Service P.O. Box 14818 Philadelphia PA. 19134 For boilers installed at elevations above 2000 ft, consult the local Crown representative or the factory for the correct main burner orifice. KEY # DESCRIPTION QTY. OR CROWN P.N. QUANTITY PER BOILER OR CROWN P.N. 69 103 138 172 207 241 276 310 345 379 1 BSI HEAT EXCHANGER ASSY. 1 ea. 850013 850014 850015 850016 850017 850018 850019 850020 850021 850022 * BSI/CWI LEFT END SECTION 750001 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. * BSI RIGHT END SECTION 850002 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. * BSI/CWI INTERMEDIATE SECTION 750003 1 ea. 2 ea. 3 ea. 4 ea. 5 ea. 6 ea. 7 ea. 8 ea. 9 ea. 10 ea. * UPPER PUSHNIPPLE 275075 2 ea. 3 ea. 4 ea. 5 ea. 6 ea. 7 ea. 8 ea. 9 ea. 10 ea. 11 ea. * LOWER PUSHNIPPLE 275070 2 ea. 3 ea. 4 ea. 5 ea. 6 ea. 7 ea. 8 ea. 9 ea. 10 ea. 11 ea. 2 BASE TRAY 1 ea. 700643 700644 700645 700646 700647 700648 700649 700650 700651 700652 3 BASE WRAPPER 1 ea. 700663 700664 700665 700666 700667 700668 700669 700670 700671 700672 4 BURNER TRAY (1" BURNERS) 1 ea. 700683 700684 700685 700686 700687 700688 700689 700690 700691 700692 4 BURNER TRAY (40mm BURNERS) 1 ea. 751683 751684 751685 751686 751687 751688 751689 751690 5 BASE FRONT PANEL ASSY. (INCLUDES INSULATION) 1 ea. 700603 700604 700605 700606 700607 700608 700609 700610 700611 700612 6 BURNER ACCESS PANEL 1 ea. 700623 700624 700625 700626 700627 700628 700629 700630 700631 700632 7 BASE END INSULATION 720601 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 8 BASE REAR INSULATION 1 ea. 720603 720604 720605 720606 720607 720608 720609 720610 720611 720612 9 BASE LEG ASSY. 700110 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 6 ea. 6 ea. 10 1/4-20 X 1/2" SELF TAPPING SCREW 900100 20 ea. 20 ea. 20 ea. 20 ea. 21 ea. 21 ea. 21 ea. 21 ea. 25 ea. 25 ea. 11 1/2" x 2" SEALING STRIP 900146 3.7 ft 4.2 ft 4.8 ft 5.3 ft 5.9 ft 6.4 ft 7.0 ft 7.5 ft 8.0 ft 8.5 ft 12 ROLLOUT SWITCH G4AM0600240C 960122 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 13 ROLLOUT SWITCH BRACKET 900121 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 14 #8 x 3/4" SELF TAPPING SCREW 90-048 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 1 ea. 15 #10 x 1/2" SHEET METAL SCREW 90-212 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 16 5/16 USS FLAT WASHER 900102 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 17 5/16-18 LOCK NUT 900103 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 4 ea. 18 5/16...
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