Dayton 3VG80 Remove ignitor from rear head, Attach ignitor wire, Spark Transformer, Ignitor

Page 9

Dayton Operating Instructions and Parts Manual

Model 3VG80

Maintenance (Continued)

5.Place setscrew on flat of shaft. Tighten setscrew firmly (40-50 inch-pounds).

6.Place motor, motor mount, and fan guard into rear of heater shell (See Motor, page 8, steps 14 through 18).

Ignitor Wire

Bushing

4.Remove ignitor from rear head.

5.Install new ignitor. Attach ignitor to rear head with ignitor mounting screw.

6.Attach ignitor wire.

7.Check gap between ignitor electrode and target plate. Gap should be .13" to .15" (See Figure 13).

Fan

Hub

Burner Nozzle

Ignitor Electrode

Motor

Shaft

Setscrew

Figure 10 - Fan Cross Section

SPARK TRANSFORMER

1.Remove base tray.

2.Locate and disconnect white, black, and orange wires from spark trans- former.

3.Remove two screws holding spark transformer to base. Remove sheet metal nuts on transformer and install on new transformer. Discard spark transformer.

4.Install new spark transformer. Position new spark transformer in same manner as old transformer.

5.Connect white, black, and orange wires to new spark transformer. Connect wires to correct terminals as noted in step 2.

6.Replace base tray.

Figure 11 - Removing Ignitor Wire from Spark Transformer

IGNITOR

1.Remove motor, motor mount, and fan guard (See Motor, page 7, steps 1 through 6).

2.Remove orange ignitor wire from ignitor.

3.Remove ignitor mounting screw from rear head using nut-driver or standard screwdriver (See Figure 12).

Ignitor

Mounting

Screw

Ignitor

Rear

Head

Figure 12 - Removing Ignitor Mounting Screw and Ignitor

Gap

Area

Figure 13 - Clearance between Ignitor Electrode and Target Plate

8. Test for spark.

Make sure heater is disconnected from

propane supply. Heater could ignite causing severe burns.

Plug into extension cord and watch for spark between ignitor electrode and target plate.

9.Place motor, motor mount, and fan guard into rear of heater shell (See Motor, page 8, steps 14 through 18).

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Version B - For Reduction

G016.J

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Contents Description UnpackingCombustion are vented into the area being heated Dayton Operating Instructions and Parts Manual General Safety InformationSpecifications Product Identification Product IdentificationPropane Supply Theory of OperationVentilation InstallationOperation To Start HeaterService Procedures MaintenanceStorage To Stop HeaterFAN Replace base trayRemove ignitor from rear head Attach ignitor wireSpark Transformer IgnitorAccessories Wiring Diagram100,000 BUT/HR Model Clean heater. See Maintenance, Troubleshooting ChartLocation Bad spark transformerDaytonFor Repair Parts, Propanecall Not shown ModelRepair 3VG80Parts ListNot a UPC