AIRCRAFT
DA 42 NG Series
AMM
Ice Protection System
Doc # 7.02.15
Rev. 4
30-00-00
Page 213
15 Mar 2018
8. Bleed the De-Icing System
Detail Steps/Work Items
Key Items/References
(1)
Bleed the metering pumps:
S
Fill the de-icing fluid tank to at least one
quarter of its capacity.
S
Close canopy.
S
Operate the windshield pumps of the ice
protection system several times.
S
Operate the system on HIGH until evidence
of de-icing fluid on the porous panels is
noticed.
S
If de-icing fluid tank is completely empty,
re-fill the de-icing fluid tank with approx.
2 liter (0.5 US gal) of de-icing fluid.
Refer to Section 12-10.
To remove all air.
Refer to Section 12-10.
(2)
Bleed the filter elements.
S
Move end of bleeding hose to the exterior of
the airplane.
S
Remove the blanking plug from the filter
bleeding hose.
S
Set ELECT MASTER switch to ON.
S
Set OFF/NORM/HIGH switch of the de-icing
control unit to HIGH.
S
Operate system until air free fluid is
discharged from the bleeding hose of the
filter elements.
S
Set OFF/NORM/HIGH switch of the de-icing
control unit to OFF.
S
Set ELECT MASTER switch to OFF.
S
Install the blanking plug to the filter bleeding
hose.
S
Put bleeding hose back in place.
Accessible via the LH baggage
compartment door behind carpet.
To prevent the baggage compartment
floor from becoming contaminated.
Use new seal if necessary.
Make sure that no leakage occurs.
Summary of Contents for DA 42 NG
Page 933: ...AIRCRAFT DA 42 NG AMM Fuel Doc 7 02 15 Rev 4 28 TITLE Page 1 15 Mar 2018 CHAPTER 28 FUEL ...
Page 1459: ...AIRCRAFT DA 42 NG AMM Lights Doc 7 02 15 Rev 4 33 TITLE Page 1 15 Mar 2018 CHAPTER 33 LIGHTS ...
Page 1711: ...AIRCRAFT DA 42 NG AMM Doors Doc 7 02 15 Rev 4 52 TITLE Page 1 15 Mar 2018 CHAPTER 52 DOORS ...
Page 1853: ...AIRCRAFT DA 42 NG AMM Wings Doc 7 02 15 Rev 4 57 TITLE Page 1 15 Mar 2018 CHAPTER 57 WINGS ...
Page 2071: ...AIRCRAFT DA 42 NG AMM Engine Doc 7 02 15 Rev 4 72 TITLE Page 1 15 Mar 2018 CHAPTER 72 ENGINE ...
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