Diamond DA 42 NG, Maintenance Manual

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AIRCRAFT
Ice Protection System
DA 42 NG Series
AMM
Page 6
15 Mar 2018
30-00-00
Doc # 7.02.15
Rev. 4
2. Description
Figures 1 and 2 show the schematic diagram for the mechanical parts of the fluid based ice protection
system on the DA 42 NG. The mechanical part of the ice protection system consists of:
)
Porous panels on the leading edge of the horizontal tail.
)
Porous panel on the leading edge of the vertical tail.
)
Porous panels on the leading edge of the outer wings.
)
De-icing fluid tank with integrated level sensor, level switch and inlet strainer.
)
De-icing fluid main pumps.
)
De-icing fluid filters.
)
Drain hose connector in nose landing gear bay.
)
Proportioning units in each engine nacelle.
)
Nozzles and slinger rings on the LH and RH propeller.
)
Proportioning unit in the vertical tail.
)
Low pressure sensors in the vertical tail.
)
High pressure sensor.
)
Windshield pumps with solenoid valves.
)
Spraybar in front of the canopy.
These system components are connected with nylon tubing. For the ice protection of the propeller
Teflon lines through the engine nacelles to the slinger rings of the propeller are used.