STARTING THE APU IN EXTREMELY COLD WEATHER (continued)
If the APU gasps or stalls after a successful start, secure all straps on paulin at APU side door. Monitor
APU HIGH AIR TEMPerature lamp.
11. After the APU has run smoothly for at least 3 minutes, turn APU GENerator switch (11) to ON.
Watch APU HIGH AIR TEMPerature lamp closely when operating the APU with side door paulin
installed. Failure to do this may lead to damage to the APU.
12. If APU HIGH AIR TEMPerature lamp (12) lights, close APU plenum door. This will cool the APU.