TM 9-2320-361-10 2-51. OPERATION OF CARGO BODY ARCTIC KIT (Contd) (9) Adjust hot air flow with diverter control lever (1) NOTE Blower motor will continue to run for one to three minutes after RUN-OFF-START switch is turned to OFF position. Red indicator light will remain on until fuel in heater burns away and heater cools. (10) After heater operation, turn RUN-OFF-START switch (3) to OFF position. (11) Close fuel tank shutoff cock (4) by turning clockwise. (12) Close diverter by turning diverter cent 01 lever (1) counterclockwise. NOTE Step (13) applies to vehicles equipped with swingfire heater only. (13) After heater operation, remove lockpin (5) and open door (6). Remove and shut down swingfire heater as necessary. Refer to para. 2-59. Close door (6) and install lockpin (5). 2-208