Kenmore 153.330632 Replacing the Thermocouple, Cleaning the Combustion Chamber and Flame Arrestor

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 27).

3.Pull the thermocoupte from the pilot assembly (Figure 31 ).

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 27). 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.

External Inspection & Cleaning of the Flame Arrestor

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

Flashlight

THERMOCOUPLE

PILOT IGNITER

TUBE WIRE

RETAINER CLIP

TWO PIECE

WIRE CONNECTOR

MANIFOLD

DOOR

FIGURE 27.

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 primary air supply hole on the pilot. See Figure 28.

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

tGNITER_		UL_b
_	- _X PILOT	BRACKET
	FIGURE	28.

Mirror \i 1

"_ . • •

FIGURE 29

Cleaning the Combustion Chamber and Flame Arrestor

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 30). Use compressed air to clear any dust or debris that may have accumulated in the flame arrestor.

3, Reassemble following the procedure under the "Replacing the Burner Door Assembly" section.

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