CSP-HE/HS-1
Optional Equipment
Anti-Ice Airframe Fuel Filter
ROTORCRAFT FLIGHT MANUAL
MD 500
(Models 369HE/HS/HM
)
Revision 6
9-13
FAA Approved
PART IV
NORMAL PROCEDURES
Preflight Checks:
F
BATTERY/EXT PWR switch
AS REQUIRED
F
Start pump
ON
Do not open drain valve unless start pump is ON. An unexpected
flameout or power loss may occur if air is allowed to enter the fuel
system.
NOTE
:
If aircraft has been exposed to freezing temperatures, failure to drain may be due
to ice in filter element.
F
Drain filter from valve on bottom of filter unit.
NOTE
:
The following checks should be performed as part of the engine compartment
checks listed in the basic preflight checklist in Section IV.
F
Start pump
OFF
FILTER BOWL
FIREWALL
TEST BUT−
TON
ANTI−ICE DRAIN
VALVE
F01-072
Figure 9-3. Anti-Ice Airframe Fuel Filter
WARNING