P/N 13772-115 15 of 16
Cirrus Design Section 9
SR22 Supplements
System Priming - Serials before G3 Wing only
If allowed to run dry, the metering pump may fail to prime because of
air trapped in the system. If no de-icing fluid is evident during the Pre-
Flight Inspection, perform the following procedure:
1. Locate de-icing fluid drain on LH side of fuselage belly just forward
of fluid tank.
• Caution •
Use a dedicated de-icing fluid sample cup for the following
step.
Do not use the fuel sampling cup.
2. Sample de-icing fluid until fluid streams shows no evidence of air
bubbles for at least three seconds.
3. Perform Pre-Flight Inspection verifying evidence of de-icing fluid
from porous panels and slinger ring.
4. If necessary, repeat steps 2 and 3.
5. If after the above procedure no de-icing fluid is evident, the ice
protection system must be purged in accordance with the Airplane
Maintenance Manual by an appropriately certified technician.
System Priming - Serials with G3 Wing
1. If no de-icing fluid is evident during the Pre-Flight Inspection, the
ice protection system must be purged in accordance with the
Airplane Maintenance Manual by an appropriately certified
technician.
Revision 07: 05-13-08
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