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Enstrom TH-28/480 Series Maintenance Manual Supplement 8
G1000H Integrated Flight Deck System
May 14/14
Page 1-44
Crew Alerting System
1.5.11.1 Functional Test
A. Rotor RPM and Engine Out Annunciators; Engine, Main and Tail Rotor
Transmission Chip Detector CAS Alerts; Engine Oil Pressure and DC Generator
CAS Alerts
(1)
Verify all circuit breakers are closed (push in).
(2)
Apply external power to the aircraft and turn the BATT switch on. Wait for the
system to fully initialize.
(3)
Verify
ROTOR RPM
and
ENGINE OUT
annunciators are steady on.
(4)
Pull FIRE DETECT (CB29) circuit breaker.
(5) Press and hold the
MASTER CAUTION
annunciator/switch for greater than
four seconds.
(6)
Verify that the
FIRE
annunciator does not illuminate. Verify that the
MASTER
CAUTION
,
EMERG BUS
,
DISP BACKUP
annunciators illuminate and then
extinguish after a few seconds.
(7)
Verify that the
ENG CHIP
,
MAIN XMSN CHIP
, and
TAIL CHIP
CAS alerts are
flashing.
(8)
Verify an audible ping is heard in the crew headset.
(9)
Push in FIRE DETECT (CB29) circuit breaker.
(10) Press and hold the
MASTER CAUTION
annunciator/switch for greater than
four seconds.
(11) Verify that the
ENG CHIP
,
MAIN XMSN CHIP
, and
TAIL CHIP
CAS alerts are
flashing and the
FIRE
annunciator is steady on.
(12) Verify an audible ping is heard in the crew headset.
(13) Pull the collective up greater than 4°.
(14) Verify the ROTOR RPM and ENGINE OUT audio horns are operating.
(15) Verify the ROTOR RPM and ENGINE OUT audio alerts are heard in the crew
headset.
(16) Verify that the
ENG OIL PRESS
and
DC GENERATOR
CAS alerts and
MASTER CAUTION
annunciator are flashing.
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