Whirlpool UG1F4040T3NOV, 285258, 285256 Replacing the Thermocouple, Cleaning the Pilot Assembly

Replacing the Thermocouple

1.Remove the Burner Door Assembly as directed previously.

2.Remove the retainer clip from the back of the two piece wire connector and remove the two piece wire connector from the assembly (Figure 25).

3.Pull the thermocouple from the pilot assembly (Figure 29).

IMPORTANT: Be careful not to bend or alter the position of the pilot assembly components.

4.Push the new thermocouple through the holes in the pilot bracket. Insert the thermocouple tube into the holes provided in the pilot assembly until it clicks into place. Leave a small straight section entering and leaving the two piece wire connector section for easier removal/service.

5.Position the new thermocouple through the opening of the two piece wire connector (Figure 25). NOTE: The pilot tube should be located at the top followed by the igniter wire then the thermocouple.

6.See “Replacing the Burner Door Assembly” section.

Figure 25

Two Piece Wire

Connector

Assembly	Igniter
Thermocouple	Wire
	Pilot Tube

Retainer Clip

Two Piece

Wire Connector

Manifold

Door

Cleaning the Pilot Assembly

1.Follow the procedure outlined in “Removing the Burner Door Assembly”.

2.Use a soft bristle brush to remove any debris that may have collected on the pilot. Note: Clean any debris found in the air slots at the base of the pilot. See Figure 26.

3.Follow the steps in “Replacing the Burner Door Assembly” section to reassemble.

Figure 26
Pilot Assembly
	Pilot
Igniter	Air Slots
	Pilot Bracket

External Inspection & Cleaning of the Flame-trap

Although not likely to occur, if debris collects on the flame- trap, use a vacuum, compressed air, or a soft bristle brush to remove it. NOTE: If unable to inspect or clean the flame- trap from underneath, follow the “Cleaning the Combustion Chamber and Flame-trap” section instructions.

Figure 27

Flame-trap visual inspection

Flashlight

Mirror

Mirror

Cleaning the Combustion Chamber and Flame-trap

1.Follow procedure outlined in “Removing the Burner Door Assembly” section.

2.Use a vacuum cleaner/shop vac to remove all loose debris in the combustion chamber (Figure 28). Use compressed air to clear any dust or debris that may have accumulated in the flame-trap.

3.Reassemble following the procedure under the “Replacing the Burner Door Assembly” section.

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