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9-5
FOR TRAINING PURPOSES ONLY
L E A R J E T 4 5
P I L O T T R A I N I N G M A N U A L
FlightSafety
international
SWITCH
POSITION
VALVE
STATUS
L/R BLEED
On
ECS PRSOV
HPSOV
EMER PRESS
De-Powered Open
Powered Open
De-Powered Closed
L/R BLEED
OFF
ECS PRSOV
HPSOV
EMER PRESS
Powered Closed
De-Powered Closed
De-Powered Closed
EMER PRESS
ON
ECS PRSOV
HPSOV
EMER PRESS
Powered Closed
De-Powered Closed
Powered Open
L/R BLEED CB
Set
ECS PRSOV
HPSOV
EMER PRESS
De-Powered Open
Powered Open
Powered Open
L/R BLEED CB
Open
ECS PRSOV
HPSOV
EMER PRESS
De-Powered Open
De-Powered Closed
De-Powered Closed
FIRE PUSH
Depressed
(CLOSED)
ECS PRSOV
Powered Closed
PACK
On
(Dark)
BI-LEVEL PRSOV
De-Powered Open
PACK
OFF
BI-LEVEL PRSOV
Powered Closed
With Emergency Pressurization activated on both sides, subsequent selection
of either Bleed S/I OFF to reduce temperature is an option.
NOTE 1:
The Bleed S/I must be On to activate Emergency Pressurization on the
corresponding side.
NOTE 2:
At least one (L or R) Bleed S/I must be On for Wing/Stab Anti-Ice to function
(See Chapter 10).
NOTE 3:
Table 9-1. BLEED-AIR VALVE CONFIGURATION