Cessna TURBO CENTURION T210M 1978 Pilot Operating Handbook page 219

PILOT'S OPERATING HANDBOOK
SUPPLEMENT
DURING ENGINE RUNUP
WING AND STABILIZER
DE-ICE SYSTEM
(MODEL T210) .
The system should be checked through several cycles as follows:
1.
De-Icing Switch -- ON and release. Check inflation and deflation
cycle.
2. Pressure Indicator Light -- CHECK ON within four s econds after
the cycle is initiated. The light should remain on for two to three
seconds if the system is operating properly.
3. Boots -- CHECK VISUALLY FOR COMPLETE DEFLATION to the
vacuum hold-down condition.
IN FLIGHT
Flight into known or forecast icing conditions is prohibited. If unex-
pected icing conditions are encountered, the following procedure is recom-
mended:
1.
Ice Build-Up -- MONITOR until approximately 1/2 inch thick on
the leading edges.
2. De-Icing Switch -- ON and release. The switch must be actuated
again if additional cycles are required.
NOTE
The de-ice system will operate up to a maximum altitude of
14,500 feet ; however, at or near this altitude, engine RPM
must be a minimum of 2500 RPM.
AFTER LANDING
1.
De-Icing Boots -- CHECK for damage and cleanliness. Remove any
accumulations of oil or grease.
SECTION 5
PERFORMANCE
There is no change to the airplane performance when the de-ice system
is installed.
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