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PROPELLER ANTI-ICE
SYSTEM
PILOT'S OPERA TING HANDBOOK
SUPPLEMENT
(MODEL T210)
SECTION 4
NORMAL PROCEDURES
Flight into known or forecast icing conditions is prohibited.
If
unex-
pected icing conditions are encountered, the following procedure is recom-
mended:
1.
Master Switch -- ON.
2.
Propeller Anti-Ice Switch -- ON.
3.
Propeller Anti-Ice Ammeter -- CHECK in green arc range (14
to
18
amps).
NOTE
To check the heating elements and anti-ice timer for one
complete cycle, the system must be left on for approxi-
mately 1 minute. Ammeter readings must remain in the
green arc except during momentary change.
NOTE
While using the anti-ice system, monitor the airplane
ammeter to ensure that the electrical system does not
become overloaded.
If
the total electrical load is high,
resulting in a discharge indication, limit the use of other
electrical equipment so that the airplane ammeter main-
tains a slight charge.
CAUTION
If
the ammeter indicates unusually high or low amperage
during the 20-second cycle of operation, a malfunction has
occurred and it is imperative that the system be turned off.
Uneven anti-icing may result, causing propeller unbal-
ance and engine roughness.
4.
Propeller Anti-Ice Switch -- OFF when anti-icing is no longer
required.
SECTION 5
PERFORMANCE
There is no change to the airplane performance when the propeller
anti-ice system is installed.
2
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