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There are two refrigerant replenishment points. They are used to replenish or top up the system. They are located aft of frame C6, on the high pressure system (HP service valve) and on the low pressure system (LP service valve).
F. Replenishment point of the propeller de-icing reservoir (option)
The replenishment point of the propeller de-icing reservoir allows to replenish the propeller de-icing reservoir with de-icing fluid. It is located on the L.H. side in the engine compartment and is accessible through inspection door 123, located on the upper engine cowling.
G. Replenishment point of the airframe de-icing reservoir (option)
The replenishment point of the airframe de-icing reservoir allows to replenish the reservoir with de-icing
fluid used to de-ice the propeller, the wings, the horizontal and vertical stabilizers and the windshield. It is
located on the L.H. side of the fuselage, behind frame C6, and is accessible through inspection door 224.
Option Pre-MOD. 151. Standard Post-MOD. 151
H. Ground power receptacle
The ground power receptacle allows to supply the aircraft with electrical power from an external power source. It is located on the L.H. side beneath the fuselage behind frame C4. This receptacle is accessible through inspection door 216.
I. Grounding
The grounding allows to ground the aircraft during the replenishment of the fuel tanks or when the aircraft is
parked. It is located on the upper surface of the L.H. and R.H. wings in the area of rib N9 behind the spar.
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1 - Fuel system replenishment
2 - Oxygen system replenishment (option)
3 - Refrigerant replenishment (option)
4 - Aircraft de-icing system replenishment (option)
5 - Ground power receptacle
6 - Grounding
7 - Electrohydraulic generator replenishment
8 - Propeller de-icing system replenishment (option)
9 - Oil system replenishment
10 - Brake hydraulic system replenishment
Servicing points - Description and operation
Figure 1
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BLEEDING POINTS
DESCRIPTION AND OPERATION
1. GENERAL
The different bleeding points of the aircraft fluid or air systems enable the users to eliminate the water, the air and the deposits trapped into the aircraft systems and which can affect the correct operation of these systems. The bleeding points include :
- the fuel tank bleed and drain,
- the fuel filter bleed,
- the engine oil system drain,
- the braking system bleed,
- the static system bleed,
- the oxygen system bleed (option),
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TB20 MAINTENANCE MANUAL 12 SERVICING TB20飞机维护手册 12 保养(11)
