STARTING THE APU IN EXTREMELY COLD WEATHER (continued)
Watch APU HIGH AIR TEMPerature lamp closely when operating the APU with winterization kit
installed. If HIGH AIR TEMPerature lamp lights, remove paulin from APU side door and close
plenum door. Failure to do this may lead to damage to the APU.
If the APU gasps or stalls after successful start, loosen cover on APU front door and restart.
After the APU has run smoothly forat least 3 minutes, turn on APU GENerator switch (26) at APU control panel.
Remove cover plate (5) from heater vent (4).
If APU HIGH AIR TEMPerature lamp (23) lights, remove paulin from APU side door (p. 2-220) and close APU
plenum door. This will cool the APU.
Pull down on air duct control handle (17) to allow vent blower to exhaust air, if required.
Close lower rear door (p. 2-137) and personnel door (p. 2-134).
Start main engine (p. 2-212), if desired.