Cirrus SR20 Flight Operations Manual page 37

Cirrus SR20 and SR22
Section 3
Carefully observe the process in case there is a need for engine
shutdown.
18. Amp Meter/Indication ......................................................... CHECK
Check the amperage output of both Alternators; Alt 1 should
indicate a positive amperage and Alt 2 below 1700 RPM's will be
0. Check voltage of both batteries. Excessively high or low
readings may indicate a problem and should be investigated.
Ice Protection System Preflight
The following pre-flight procedures should be completed on aircraft
with the TKS Ice Protection System installed. Complete this procedure
monthly during periods of non-use or anytime use of the system may
be necessary during flight. Flight into known icing is prohibited.
1. Battery Master Switch................................................................ON
Turn on the battery 1 master switch.
2. Ice Protection Switch .....................................................MAXIMUM
Turn the ice protection on and select the maximum position.
3. Anti-Icing Fluid Quantity............................................CHECK FULL
Check fluid quantity by visually inspecting tank quantity. Top off
tank with approved fluids. De-ice fluid must meet DTD 406B
including:
• AVL (DTL 406B) – Aviation Laboratories,
• AL-5 (DTB 406B) – Canyon Industries,
• Dimax 80 (TKS-80) – Canyon Industries,
• TKS-Fluid (DTB 406B) – D.W. Davies & Co.
4. Fluid Vent (underside)....................................... UNOBSTRUCTED
5. Porous Panels.............................................Condition and Security
6. Porous Panels....................................... Evidence of De-icing Fluid
Run system until all panels are wetted by fluid.
7. Slinger Ring .......................................... Evidence of De-icing Fluid
8. Ice Protection Switch ............................................................... OFF
9. Battery Master Switch.............................................................. OFF
P/N 23020-002
June 2008
Flight Operations Manual
Standard Operating Procedures
3-21