[. . . ] 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 P/N (950-1021) HS-2, PAI-4 REPLACEMENT MOTOR KIT 1. Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage. [. . . ] FOR "OLD STYLE" HS-2 MODEL (DATE CODE PRIOR TO 12/88, SEE DIAGRAM B. ) 1. Motor wires must match up with hole of junction box containing electrical shorty bushing. NOTE: BE SURE TO INCLUDE SPACERS BETWEEN MOTOR AND MOTOR MOUNT, AS WELL AS APPROPRIATE FASTENERS. Wire Power Venter motor according to appropriate model on the opposite side of this sheet. All wiring must be done in accordance with the NEC and applicable local codes. The wiring to the furnace should be protected by overcurrent protection (fuses or circuit brakers) rated 15 amperes or less, as applicable of 14 AWG conductors. CAUTION MUST BE EXERCISED TO ENSURE THAT WIRING DOES NOT COME INTO CONTACT WITH ANY HEAT SOURCE. Before testing installation, on "old style" units check sail switch in Power Venter junction box. Operation of switch can be determined by hearing a "click" as switch opens and closes. A "click" must be heard before sail blade touches either end of slot. If "clicks" are not heard, it may be necessary to change bend in blade slightly. Draft control on Power Venter should be adjusted so that there is no spillage at draft diverter, barometric or hood. [. . . ] Oil holes or lances are provided at the front and rear faces of motor. NOTE IF YOUR ELECTRICAL DIAGRAM IS NOT INCLUDED, CONTACT OUR CUSTOMER SERVICE TOLL FREE AT 1-800-255-4208, 7:30 TO 4:30 CST FOR FURTHER ASSISTANCE. [. . . ]