Page 5-13
Pilot’s Operating Manual
Revision A1: Nov, 2002
Sub-section 5
HYDRAULICS
Hawker 800XP Pro Line 21
Section III - SYSTEMS DESCRIPTION
Manual operation of the hand pump draws fluid from the auxiliary reservoir. The fluid is delivered via
the check valve and the shuttle valves to the down side of the main and nose gear jacks. Fluid from the
check valve is also delivered to the flap control unit.
NOTE: Shortly after the commencement of emergency lowering, hand pump resistance decreases
(when the gear uplocks release) and the AUX HYD LO LEVEL annunciator is illuminated.
Continued operation of the hand pump locks the gear down.
CAUTION: WHEN OPERATING THE AUXILIARY HYDRAULIC SYSTEM TO LOWER
THE LANDING GEAR, THE HAND PUMP ACTION MUST BE CONTINUED,
AFTER 3 GREENS ARE ACHIEVED, UNTIL POSITIVE RESISTANCE IS
FELT TO MAKE SURE THE LANDING GEAR IS DOWN AND LOCKED.
Selection of the flaps and operation of the hand pump will move the flaps to the required position.
Figure 5
Operation of Auxiliary Hydraulic System Selector Handle
Содержание Hawker 800XP
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