Section 7 Pilot’s Operating Handbook
Description of Airplane and Systems EXTRA 500
7.16.j Fuel Pressure Accumulator
To prevent a fuel overpressure after engine shut-down in warm
ambient conditions, a fuel pressure accumulator has been
installed.
7.17 Brake System
The aircraft is provided with an independent hydraulically
actuated brake system for each main wheel. A toe actuated
hydraulic master cylinder is attached to each rudder pedal.
Hydraulic lines and hoses are routed from each master cylinder
to the wheel cylinder on each brake assembly. The brakes can
be actuated from either pilot’s or copilot’s seat. The parking
valve system consists of a manually operated control assembly
located on the center console and connected to the parking
brake valve. Applying pressure to the brake system by pressing
the toe pedals and pulling the
PARKING BRAKE control sets
the parking brake. Pushing the
PARKING BRAKE control
forward releases the brakes. For long term parking wheel
chocks and tie downs should be used.
Important It is not advisable to set the parking brake when brakes are
overheated, after heavy braking or when outside
temperatures are unusually high. Trapped hydraulic fluid
may expand with heat and damage the system.
7-48 26. January 2011
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