Piper PA-28-236 DAKOTA, Руководство по эксплуатации для пилотов

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PIPER AIRCRAFT CORPORATION SECTION 7
PA-28-236, DAKOTA DESCRIPTION & OPERATION
ISSUED: JUNE 1, 1978 REPORT: VB-910
7-9
REVISED: AUGUST 1, 1980
7.13 FLIGHT CONTROLS
Dual controls are provided as standard equipment, with a cable system
used between the controls and the surfaces. The horizontal tail is of the all-
movable slab type, with an anti-servo tab which also acts as a longitudinal
trim tab, actuated by a control mounted on the control tunnel between the
two front seats (Figure 7-5).
The flaps are manually operated and spring-loaded to return to the up
position. A past-center lock incorporated in the actuating linkage holds
the flap when it is in the up position so that it may be used as a step on the
right side. The flap will not support a step load except when in the full up
position, so it must be completely retracted when used as a step. The flaps
have three extended positions, 10, 25 and 40 degrees.
7.15 FUEL SYSTEM
The fuel system incorporates two fuel tanks, one in each wing. Each has
a capacity of 38.5 U.S. gallons, giving a total of 77 gallons, of which
72 gallons is usable. Each tank is equipped with a filler neck indicator tab
to aid in determining fuel remaining when the tanks are not full. Usable
capacity to bottom of the indicator tab is 25 gallons. The tanks are attached
to the leading edges of the wings and are an integral part of the wing
structure. The fuel tanks are vented individually through vent tubes which
protrude below the bottom of the wings at the rear outboard corner of each
tank. The vents should be checked periodically for obstructions which might
block the free passage of air.
Normally, fuel is supplied to the engine through an engine-driven fuel
pump. An auxiliary electric fuel pump serves as a back-up feature. The
electric fuel pump is controlled by a rocker switch on the switch panel
above the throttle quadrant. The electric fuel pump should be ON when
switching fuel tanks and during takeoffs and landings (Figure 7-9).
The fuel tank selector (Figure 7-7), which allows the pilot to select
the tank supplying fuel to the engine, is located on the left sidewall of the
cockpit, below the instrument panel. It has three positions: OFF, LEFT
TANK and RIGHT TANK. The arrow on the handle of the selector points to
the tank which is supplying fuel to the engine. The valve also incorporates a
safety latch which prevents inadvertently selecting the OFF position.