TM-9-2320-280-10 HMMWV Operator Manual Download
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TM 9-2320-280-10 KEY ITEM AND FUNCTION NOTE The NBC control box for the M996 and M996A1 ambulance has five heater fuses and one spare fuse. 5 NBC control box houses circuitry and controls for the collective NBC protection system. 6 NBC system switch controls operation of the collective NBC protection system. 7 20 amp fuses protect NBC heater circuits from overload damage. 2-53