Optional Equipment
Anti-Ice Airframe Fuel Filter
ROTORCRAFT FLIGHT MANUAL
MD 500
(Models 369HE/HS/HM
)
CSP-HE/HS-1
Revision 6
9-14
FAA Approved
Ground check of system operation:
With electrical power on, verify that FUEL ANTI−ICE circuit breaker for
caution system is in the ‘‘in’’ position and the dimming switch is in the BRT
position.
If FUEL FILTER light is illuminated, depress to ensure that system is re−
set.
Depress red press−to−test button located on the top of the fuel filter hous−
ing; hold for 5 seconds; FUEL FILTER and start pump lights should illumi−
nate.
Release the press−to−test button; FUEL FILTER and start pump lights
should remain on.
Depress FUEL FILTER caution light on panel; FUEL FILTER and start
pump light should go out. Caution system is reset.
F01-073
DIMMING
SWITCH
FUEL ANTI−ICE
CIRCUIT BREAKER
Figure 9-4. Anti-Ice Fuel Filter Switch and Indicator Panel