STARTING THE APU IN EXTREMELY COLD WEATHER (continued)
All heated air from personnel heater should now be ducted through APU heater hose into APU
Allow APU compartment to warm for 15 to 30 minutes (depending on outside temperature) before attempting to start
Turn OFF personnel heater (p. 2-187).
Unfasten two straps of paulin (11) at APU front door (12). Roll paulin upward into smallest tube possible and secure
with webbing and chape (18).
Unfasten three straps (14) across top of APU side door paulin (13), and unfasten two straps (14) at each side near
Place both ends of unfastened straps (14) inward, and roll freed portion of paulin downward into smallest tube
possible. Secure rolled paulin with webbing and chape (19).