Dayton Operating Instructions and Parts Manual
Model 3VG80
Maintenance (Continued)
5.Place setscrew on flat of shaft. Tighten setscrew firmly
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
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 |
