Operation In Cold Weather - Eurocopter AS 350 83 Flight Manual

COMPLEMENTARY FUGHT MANUAL
.3.4 Use of Batteries for Startina
During long periOds in inoperation it is recorrrnended that the battery
be stored in a warm area.
If a ground power unit is not available, start-up may be carried out
using the aircraft battery or two aircraft batteries connected in
parallel.
The starting envelope is related to the temperature and is indicated
in the supplement instruction for operation in cold weather.
3.5 Preparation for Fliaht
Independently of the inspections prescribed in SEGION 8.4.1, perform
the fallowing operations and inspections :
.
Main rotor blades
Remove the blade socks, then remove snow if need be and, if necessary
-remove ice from blades using hat air flow at a te~erature not exceeding
80 'C.
Main rotor hub and mast
Remove ice from the swashplates, the scissors, the servo controls and the
rotor head spring antivibrator.
Power plant
-Remove the air intake cover and the exhaust nozzle blank after removing
snow from the aircraft surface.
-Remove snow and ice accretion in the vicinity of the air intake, an
either side af the screen and inside the engine air intake duct (remove
the air intake screen if necessary).
-It is imperative that the air intake be clean
Manually and visually check for snow and ice inside the air intake
duct up to the first stage af the compressor :
In case af icing:
.renK>ve ice using a wooden or plastic scraper,
.
.carefully wipe the surface using a cloth soaked with isopropyl
alcohol.
.inspect drains, unblanked scuppers; check for snow and ice on
vent and static ports
Tail rotor
-RenK>ve the blade sockets. then remove ice from the TRH assembly
(blades, pitch rads...).
-Manually rotate the tail rotor so that the main rotor performs 1 turn
at least, then check:
.the swashplate rotation (rotor brake not blocked),
.the TRH rotation.
.the freewheel operation.
.
350 83 8.4
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