Section 7
Airplane and System
Description
PILOT’S OPERATING HANDBOOK
7-12
2015-07-20
Doc. No. POH-20101308
7.11.4 Engine Intake System
Engine intake system ensures delivery of sufficient air into engine. Air is taken
into the engine through openings on the engine covers through the air filters.
The intake system can be equipped with carburetor heating system. Hot air from
the heat exchanger (located on the exhaust collector) is taken to the mixing
chamber. Amount of in-taken hot air is regulated by flaps in mixing chamber
inlets. Flaps are controlled by the carburettor preheater (
VERGASER
VORVÄRM.
)
knob on the instrument panel.
7.11.5 Ignition System
The engine is equipped with the double contactless ignition system. Each ignition
circuit has own source of energy, control unit, 2 ignition coils and 4 spark plugs.
It is fully autonomous on the other circuit of accumulator. High voltage current is
distributed to the spark plugs through high-voltage cables. Ignition sequence of
individual engine cylinders: 1-4-2-3.
Ignition circuits are controlled by the ignition switch on the instrument panel.
Positions of ignition switch:
OFF
engine ignition is off
R
only ignition circuit B is on
L
only ignition circuit A is on
BOTH
both circuits are on
START
both circuits are on and starter is cranking the engine
7.12 Fuel System
Fuel system serves for keeping fuel in the airplane and it’s feeding to the engine.
Fuel system of SportStar MAX airplane is composed of integral fuel tanks, fuel
line, fuel selector, fuel filter, mechanical fuel pump - located on the engine
(auxiliary electrical fuel pump can be installed), distribution pipe of fuel with,
return branch of fuel, fuel gauges and fuel tanks draining valves.
7.12.1 Fuel Tanks
Fuel is contained in the wing integral tanks having volume 60 l each. Each tank
is fitted with air venting (output is under the wing tip) and draining valve on the
bottom side of the wing.
Fuel is led from the tanks through the hoses to the fuel selector located on a
central console under the instrument panel and then through a fuel filter to the
engine pump and carburetors. Fuel return hose goes from the fuel pump into the
fuel selector and from there to fuel tank which the fuel is drawing off. See figure
7-4 for Scheme of fuel system.
Содержание SportStar MAX
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