TM 9-2320-361-10 2-48. OPERATION OF ARCTIC WINTERIZATION KIT a. General. The arctic winterization kit is installed to permit continued operation of vehicles in temperatures -25°F (-32°C) or less. The kit includes an alcohol evaporator, hardtop closure, fuel burning personnel heater, power plant heater, quilted engine compartment cover, radiator cover, slave receptacle, and thermal barrier. b. Special Arctic Winterization Kits. The cargo (M35A2) truck maybe equipped with one of two types of special arctic winterization kits: (1) Multifuel Heater Arctic Winterization Kit — Includes the arctic winteri- zation kit listed above as well as the cargo body arctic kit. Refer to para. 2-51. All heaters draw fuel from vehicle fuel tank. (2) Swingfire Heater Arctic Winterization Kit — Includes the arctic winteri- zation kit listed above as well as the cargo body arctic kit. Refer to para. 2-51. Fuel burning personnel heater draws fuel from vehicle fuel tank. Power plant heater and cargo body heater are powered by swingfire heater (refer to para. 2-59) which has its own fuel tank and may use only gasoline. c. Alcohol Evaporator. Use methyl alcohol, appendix D, item 14. Refer to para. 2-6c. d. Hardtop Closure. Refer to para. 2-6c. e. Operation of Fuel Burning Personnel Heater and Power Plant Heater. NOTE This procedure covers multifuel heater operation only. For coverage of systems equipped with swingfire heater, refer to para. 2-59. (1) General. Fuel burning personnel heater provides heat to warm vehicle cab and defrost windshield while engine is running. Power plant heater preheats engine coolant, engine, and batteries in preparation for starting in extreme cold or to maintain engine in standby readiness. Since operating procedures for these heaters are similar, they will be explained together. CAUTION Do not operate fuel burning personnel heater and power plant heater at the same time. Doing this may result in overworked electric fuel pump. NOTE Refer to para. 2-6c for location and function of heater controls and indicators. (2) Open personnel heater shutoff cock, or power plant heater shutoff cock and coolant cocks as necessary by turning counterclockwise. (3) Turn accessory power switch (11) to ON. 2-197