ICA-D212-725 (96)
Page 75 of 90
CHAPTER 96 – ELECTRICAL SYSTEM (96-00-00)
COPYRIGHT
2007 BY DART AEROSPACE LTD.
THIS DOCUMENT IS PRIVATE AND CONFIDENTIAL AND IS SUPPLIED ON THE EXPRESS CONDITION THAT IT IS NOT TO BE USED FOR ANY PURPOSE OR COPIED OR COMMUNICATED TO ANY
OTHER PERSON WITHOUT WRITTEN PERMISSION FROM DART AEROSPACE LTD.
Revision:
4
Date: 11.06.01
96.8.39.3 Press
CARGO FIRE DETECTOR
test switch. Verify the CARGO FIRE warning
lights illuminate and flash.
96.8.39.4 Release
CARGO FIRE DETECTOR
test switch. Verify CARGO FIRE warning lights
extinguish.
96.8.39.5 Introduce smoke into cargo
compartment near smoke detection unit. Verify
CARGO FIRE warning lights illuminate and flash.
96.8.39.6
Remove smoke or allow it to
dissipate into surrounding air. Verify CARGO
FIRE warning lights extinguish.
96.8.40
Hydraulic Filter Clogged Warning
Filter clogged warning switches are activated by
hydraulic differential pressure (70 psi) from any of
four partially clogged filters thus causing the
hydraulic filter clog indicator to show a red dot. If
filters are not clogged, switch contacts are open
and indicator shows a green dot at the viewing
site.
NOTE
Some helicopters may have installed optional
indicators which show black for no clog
and black and white for a clogged indication.
Reset for these indicators is by turning
the outer bezel ¼ of a turn.
If any of the four filters become partially clogged,
contacts of either switch makes continuity from
circuit breaker to activate indicator which show a
red dot at the viewing site and remains reset until
reset at both the switch and the indicator.
96.8.41
Operational Check – Hydraulic
Filter Clogged Warning
NOTE
This check may be done in conjunction
With 96.11.5 OPERATIONAL CHECK –
HYDRAULIC BYPASS
NOTE
Some helicopters may have installed
optional indicators which show black
for no clog and black and white for a
clogged indication. Reset for these
indicators is by turning the outer bezel
¼ of a turn.
96.8.41.1
Apply electrical power to helicopter
electrical system.
96.8.41.2
Close the HYD No.2 TEMP circuit
breaker. Verify hydraulic filter clogged indicator
is green (or all black for the optional indicators).
96.8.41.3 Disconnect
connector (P174) from
hydraulic No.1 integrated valve assembly.
Connect a temporary short between pins B. and
C. Verify hydraulic filter clogged indicator turns
red (or black and white for the optional
indicators).
96.8.41.4
Remove temporary short and
connect connector (P174) to hydraulic No.1
integrated valve assembly. Reset hydraulic filter
clogged indicator by pushing button on indicator
and verify indicator turns and remains green (or
all black for the optional indicators).
96.8.41.5 Disconnect
connector (P173) from
hydraulic No.2 integrated valve assembly.
Connect a temporary short between pins B. and
C. Verify hydraulic filter clogged indicator turns
red (or black and white for the optional
indicators).
96.8.41.6
Remove temporary short and
connect connector (P13) to hydraulic No.2
integrated valve assembly. Reset hydraulic filter
clogged indicator by pushing button on indicator
and verify indicator turns and remains green (or
all black for the optional indicators).
96.8.41.7
Turn electrical power off.
96.9
EXTERIOR LIGHTING SYSTEMS
96.9.1
Exterior Lighting Systems
The exterior lighting systems include utility lights,
position lights, anti-collision lights, searchlight
and landing light.
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