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Draining point of fuel mechanical pump 1 100 / 12-00-03
Oil breather 1 100 / 12-00-03
Draining point of battery tray
(battery at the front) (option) 1 100 / 12-00-03
Draining point of battery tray 1 210 / 12-00-03
Draining point of condenser air inlet 1 210 / 12-00-03
Draining point of evaporator 1 220 / 12-00-03
Draining point of de-icing filler port 1 220 / 12-00-03
3. DESCRIPTION (Figure 1)
A. Draining points of fuselage
The draining points of fuselage are located in the area of frames C5, C6, C7 and C8, and on the cowling under hull 218. The draining of the NACA air inlets and of the access doors is located at the wing root. The draining of the battery tray is located between frames C4 and C5. The draining of the battery at the front (option) venting system is connected to the draining system of the NACA air inlets and the R.H. access door. The draining point of the battery tray (at the front) (option) is located on the R.H. side of the firewall.
B. Draining points of wings
The draining points of wings are located in the area of ribs N3 and N9 in front of the spar.
C. Draining points of stabilizers
The draining points of horizontal stabilizer are located between ribs N4 and N5 and in the area of ribs Ni and N3 behind the spar.
The draining point of rudder flap is located on rib N1 in the area of the trailing edge.
D. Draining point of fuel mechanical pump and oil breather
The draining pipe of fuel mechanical pump and the oil breather pipe are located on the L.H. side on the firewall.
With vapor cycle cooling system
E. Draining point of condenser air inlet
The draining point of the condenser air inlet is located beneath the screened air inlet, forward of frame C6, on the R.H. side of the fuselage.
F. Draining point of evaporator
The evaporator draining hose is located beneath the fuselage, aft of frame C6. With anti-icing protection, Post-change 20274
G. Draining point of de-icing filler port
The draining point of de-icing fluid filler port is located beneath the fuselage, aft of frame C6.
1 - Draining point of fuel mechanical pump
2 - Oil breather
3 - Draining points of NACA air inlet and access door
4 - Draining point of wings
5 - Draining point of access door
6 - Draining point of horizontal stabilizer
7 - Draining point of rudder flap
8 - Draining point of fuselage
9 - Draining point of evaporator
10 - Draining point of condenser air inlet
11 - Draining point of battery tray
11A - Draining point of battery tray (battery at the front) (option)
12 - Draining point of de-icing filler port
Draining points - Description and operation
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TB20 MAINTENANCE MANUAL 12 SERVICING TB20飞机维护手册 12 保养(14)
