787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Hydraulics -
Controls and Indicators
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 13.10.7
Reserve Steering Isolation Valves (ISLN) Synoptic Indications
Miscellaneous Synoptic Indications
Symbol Condition Description
Valve open (green)
Valve closed (white)
Valve failed open
(amber)
Valve open when commanded closed.
Valve failed closed
(amber)
Valve closed when commanded open and center
hydraulic system pressure greater than 3000
psi.
Valve invalid (white,
low intensity)
Symbol Condition Description
Pump overheat Pump temperature exceeds limit
Load shed indication Pump has received load shed command
Flow lines (green
with arrow end or
white solid)
Green flow lines with directional arrow display
if a pump is on and no valves upstream or
downstream are closed.
OVHT
LOAD
SHED
June 16, 2008
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