Pilot’s Operating Handbook Section 7
EXTRA 500 Description of Airplane and Systems
position). The micro switch also activates the green
INTAKE HEAT advisory light on the annunciator panel.
7.14.m Engine Exhaust System
Exhaust gases are discharged by means of two downward-
backward facing exhaust ducts on both sides of the engine
cowling.
7.14.n Engine Fuel Pump
The engine driven fuel pump and filter assembly incorporates a
single gear-type pumping element, a low-pressure barrier filter,
a filter bypass valve and a bypass pressure regulating valve.
Fuel enters the engine fuel system at the inlet port of the pump
and passes through the low-pressure filter before entering the
gear element. The filter bypass valve allows fuel to bypass the
filter element if it becomes clogged.
26. January 2011 7-37
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