SECTION 7
DESCRIPTION
SOCATA
MODEL TB 20
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. It is supplied in
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© 1988, 1991, 1992, 1994 to 1996, 1997, 2000 -
socata
- All rights reserved
June 30, 1988
Revision 7
7.19
WING FLAPS
The wing flaps are of the large span, single–slot type. They are retracted or
extended by positioning to the desired flap deflection position the flaps
control located on the pedestal, on R.H. side of the switch–breakers.
The switch lever is moved up or down in a slotted panel with mechanical
stops at ”retracted” (0
°
) ; ”take–off” (10
°
) and ”landing” (40
°
) positions (see
Figure
). An indicator located near the control provides various flaps
positions.
The wing flaps system is protected by a 10–amp circuit breaker, labeled
”FLAPS” located on L.H. circuit breakers side panel (see Figure
LANDING GEAR
The landing gear system is a retractable tricycle type utilizing a conventional
steerable nose gear and a trailing beam type main landing gear. Nose gear
and main gears are provided with oil / air shock absorbers. Each main gear
wheel is equipped with a hydraulically–actuated, single–disc brake on the
inboard side of the wheel.
Landing gear extension or retraction is accomplished by actuators powered
by an electrically–driven hydraulic power pack : the hydraulic generator. The
latter is located under the rear seat.
The hydraulic system fluid level may be checked by utilizing the dipstick / filler
cap located on the rear R.H. side of the pump. The dipstick / filler cap is
accessible through a door located under the rear seat. The level should be
checked at 100–hour intervals. When the fluid level it at or below the slot on
the dipstick, hydraulic fluid (MIL–H–5606 D) should be added to bring the
level to the top of the dipstick / filler cap opening.
A normal operating pressure is automatically maintained in the landing gear
system ; this pressure is sufficient to provide a positive up pressure on the
landing gear.
