[. . . ] TJERNLUND PRODUCTS, INC. 1601 Ninth Street · White Bear Lake, MN 55110-6794 PHONE (800) 255-4208 · (651) 426-2993 · FAX (651) 426-9547 Visit our web site · www. tjernlund. com IN-FORCER OR HS-5 WHEEL REPLACEMENT KIT WARNING: Disconnect power from IN-FORCER TM and equipment before installing new wheel. Motor assembly panel screws (2) in front Fan prover sensing tube fitting OPTION 1 FOR IN-FORCER WHEEL REMOVAL (PREFERRED) 1. [. . . ] Run IN-FORCER and heating equipment through several heating cycles to verify proper operation. OPTION 2 FOR IN-FORCER WHEEL REMOVAL 1. Blower assembly may also be removed from IN-FORCER cabinet if preferred. Remove (2) motor assembly panel screws on front of IN-FORCER, (See Diagram A). Remove Fan Prover sensing tube from motor assembly panel by loosening brass compression fitting. Remove screws from wheel housing inlet collar and remove inlet collar. Reassemble IN-FORCER following reverse of procedures in steps 6 through 1. [. . . ] 9. For technical assistance contact Tjernlund's Technical Customer Service at 1-800-255-4208; M-F 7:30 - 4:30 CST. [. . . ]