TM 9-2320-364-102-232 2-28. AUXILIARY EQUIPMENT (CONT).(b)Remove cable (15) from arctic heater receptacle (17) and startingcable connector (16).(c)Loosen the wingnut (11).Do not touch exhaust section of arctic heater with bare hands; injury to personnel will result.(d)Remove the arctic heater (12) with gasket (13) from water jacket (10).(e)Install the cover (9) on water jacket (10).(f)Turn the wingnut (11) clockwise to close.(g)Close the front access cover (8).