OPERATIONS MANUAL

Landing Gear
Parking Brake:
Parking brake lever
Pull Locks both brake pedals in their fully depressed positions
when the following procedure has been applied:
1. Fully depress both brake pedals while holding the
parking brake lever in the pulled position.
2. Release both brake pedals.
3. Release the parking brake lever.
The parking brake can be released by depressing both
brake pedals again while not pulling on the lever.
(In the simulator, the above procedure can be accomplished
also on the PC keyboard: hold the space key and the B key
simultaneously, then release the space key, then the B key.
To release the parking brake, push the space key again.)
Brake Pressure Indications:
Normal brake accumulator pressure indicator
Indicates the hydraulic pressure stored in the brake accumulator, charged by
hydraulic system 4. When hydraulic systems 1, 2, and 4 are depressurized, the
brakes are powered solely by the remaining pressure stored in the accumulator.
The initial pressure is high enough to allow the crew to set the parking brake.
Multiple pedal movements should be avoided as each movement will discharge
the accumulator by some psi. The normal pressure range is indicated in green,
the minimum operation range in amber, and the abnormal range in red.
Brake source light
Illuminates when low
pressure is detected
in all brake relevant
hydraulic systems; that
is, in system 1, 2, and 4.
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