Leerjet 35/36 Developed for Training Purposes 4C-9
February 1998
Environmental Systems
Environmental System
The pneumatic, air conditioning, and pressurization systems
comprise the environmental system.
Pneumatic System
The system consists of two independent distribution systems
connected to a common distribution point. Two L/R BLEED AIR
switches on the copilot’s lower panel control the system; two
red BLEED AIR annunciators on the glareshield monitor sys-
tem operation.
On S/Ns 35-002 to 35-106, 35-108 thru 35-112, and 36-002 to
36-022 (i.e., 450 Pneumatic System); low pressure (LP) and
high pressure (HP) bleed air is regulated by the bleed air shut-
off and pressure regulator valve for use by:
!
nacelle inlet anti-ice
!
cabin air conditioning and pressurization
!
windshield anti-ice
!
wing leading edge anti-ice
!
stabilizer leading edge anti-ice
!
Aeronca TFE731 thrust reversers (if installed).
On S/N 35-107, 113 and subsequent; 36-032 and subse-
quent (i.e., 510 Pneumatic System); the pneumatic system
also provides bleed air for alcohol anti-ice, temperature control,
and the emergency pressurization valves operation.
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