From inside (document excerpt):
Two-Speed Inducer Assembly Kit Cancels: IIK 352M-60-1 IIK 352M-60-9 8-05 Installation Instructions Part No. 326058751, 752, 753, 754 NOTE: Read the entire instruction manual before starting the installation. This symbol indicates a change since the last issue. SAFETY CONSIDERATIONS Installing and servicing of heating equipment can be hazardous due to gas and electrical components. Only trained personnel should install or service heating equipment.
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Untrained personnel can perform basic maintenance functions such as cleaning coils or cleaning and replacing filters. All other operations should be performed by trained service personnel. When working on heating equipment, observe precautions in the literature, on tags, and on labels attached to the unit. Follow all safety codes. Wear safety glasses and work gloves. Have fire extinguisher available. Recognize safety information. This is the safety-alert symbol. When you see this symbol on the furnace and in instructions or manuals, be alert to the potential for personal injury. Understand the signal word DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies a hazard which could result in personal injury or death. CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation. KIT PART NUMBER 326058-751 326058-752 326058-753 326058-754 Table 1–Kit Usage UNIT 352MAV 352AAV 036060 036080 048080 048100 060100 060120 58MTA 58MTB 060-12 080-12 080-16 100-16 100-20 120-20 This instruction covers installation of the permanent split capacitor (PSC) two-speed motor inducer assembly kit Part No. 326058-751, -752, -753, -754 on models 352MAV, 352AAV, 58MTA, and 58MTB two-stage Condensing Gas Furnaces. See Table 1 for kit applicability. DESCRIPTION AND USAGE Use this PSC two-speed inducer assembly kit to replace a failed inducer motor assembly. This kit contains the following items: Inducer assembly 1 Installation Instructions 1 NOTE: Inducer assembly consists of motor and fan, capacitor, wheel, motor mount, inducer cover, inducer housing, vent cap, and vent clamp. INSTALLATION Step 1–Remove Old Motor Assembly 1. Turn off gas and electrical supplies to unit. 2. Remove main furnace door.