CSP-HE/HS-1
Optional Equipment
Anti-Ice Airframe Fuel Filter
ROTORCRAFT FLIGHT MANUAL
MD 500
(Models 369HE/HS/HM
)
Revision 6
9-15/(9-16 blank)
FAA Approved
Inflight Operation:
Check that FUEL ANTI−ICE caution system circuit breaker is in the ‘‘in’’
position and the dimming switch is in the BRT position.
A fuel icing condition will be indicated by illumination of the FUEL FIL−
TER caution light.
NOTE
:
Once system is activated, it will remain on until manually reset by pressing FUEL
FILTER caution light.
Icing may be verified by momentary depressing the FUEL FILTER
caution light.
If the caution light does not re-illuminate in approximately 3 seconds, pull and
reset the
FUEL ANTI-ICE circuit breaker to verify that icing conditions do not
exist.
Post Flight Filter Cleaning:
When ambient temperature is expected to go below freezing, filter unit
should be drained following completion of flight.
Following any actuation of FUEL FILTER light, fuel filter should be serv−
iced (Ref. HMI).
