The information contained in this manual pertains to the service procedures involved in maintaining and/or servicing the Maytag horizontal washers "MAH14, MAH20 and MAH21" models. These models are horizontal washers intended for use in commercial laundry facilities. This manual can be used as a guide to assist in performance, installation, and servicing of the product. As on other front washer models, the importance of proper installation cannot be over emphasized. For additional information, refer to the installation instructions that accompanies each front load washer. This manual is divided into sections covering the washer. Refer to those sections for general information. If additional information is required, contact your commercial distributor. Section 1 - Covers general information and electrical test equipment. Section 2 - Provides information on the location of components and service procedures. The purpose and functions of specific components will be covered. Section 3- Provides information on programming and set-up procedures. Section 4 - Covers general troubleshooting using a list of general complaints. Section 5 - Provides specifications, and wiring diagram information. Section 6- Product Definition: Models MAH21PD PN, PR, PS