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THIS IS AN UNCONTROLLED DOCUMENT.
THIS ELECTRONIC DOCUMENT MAY HAVE BEEN SUPERCEDED.
THE MOST CURRENT DOCUMENT INFORMATION IS AVAILABLE
FROM YOUR BELL HELICOPTER TEXTRON REPRESENTATIVE.
PRODUCT DATA JANUARY 2003
The anti-icing system directs hot compressor discharge air through the inlet guide
vanes to prevent the ice formation on the hollow vanes. An electrically operated valve
on the compressor scroll controls the air flow. Anti-icing ON is required when flying
into visible moisture at temperatures below 4.5°C (40°F).
ANTI-ICING SYSTEM
A compressor wash / rinse fitting is
provided to facilitate the
recommended
daily compressor cleaning to remove
airborne chemical contamination (such as
when operating near salt water). A spray
nozzle, connecting tubing, and threaded
adapter are installed for each engine to
allow quick conduct of the wash process
without removal of cowlings (or the optional
particle separator kit, if installed)
ENGINE CLEANING
COMPRESSOR WASH FITTING
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