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Blower Impeller Removal

Remove Blower motor assembly. Take notice of the location of the impeller location on the shaft. Remove

the two set screws that hold the motor to the shaft.

Airow switch removal and adjustment

The air switch assembly is part of the ignition safety circuit and insures that the burner doesn’t operate

unless there is airow. If this doesn’t happen, ignition will not occur. The air switch assembly is located on

the back of the Dryer.

Electronic Ignition Module

This machine uses an electronic spark ignition system to directly light the burners.

Step 1: The electronic ignition module (gray box) is located inside the rear control box.

Step 2: The red wire from the transformer provides 24 VAC through the 1.5 amp fuse

and into the module to operate the entire direct ignition system.

Step 3: The black colored hi-voltage wire (spark plug type) plugs onto the post

connector the module, and the multi-wire plug ts into the side of the module.

Spark Electrode Assembly-Removal

Step 1: Disconnect wires to electrodes.

Step 2: Remove two screws to detach electrode assembly.

NOTE: Proper grounding of the ignition system (yellow wires) is very critical for proper

ignition sequence. If there is no spark or intermittent spark, check black hi-voltage lead wire for damage

or cracks in insulation. This lead wire must not be taped or connected to any metal edges along its length

to prevent pinching and arcing. Also, do not bundle this wire with other wires.

Note : Spark gap and electrode location are important. If the electrode is damaged

or mounting is changed the spark gap may not be correct for ignition to occur. Check for

cracks in the ceramic insulator. Replace electrode assembly if necessary. Also check for

carbon or foreign material on the electrodes and clean if necessary.

Adjustment Screw

Ignition Module

Part # 8533-112-001 7/21

Dexter Laundry B Series Parts & Service Manual

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