APU STARTING IN EXTREMELY COLD WEATHER- Continued
All heated air from personnel heater should
now be ducted through APU heater hose into
8. Allow APU compartment to warm for 15 to 30 minutes (depending on outside
temperature) before attempting to start the APU.
9. Turn off personnel heater.
Unfasten two straps of paulin (6) at APU front door. Roll paulin upward into
smallest tube possible and secure with webbing and chape (7),
Unfasten three straps (8) across top of APU side door paulin and unfasten
strap (9) at each side near top.
Remove five screws (10) and five washers (11). DO NOT DISCARD
SCREWS AND WASHERS.
Place both ends of unfastened straps inward, and roll freed portion of paulin
downward into smallest tube possible. Secure rolled paulin with webbing and