Learjet 25D - Page 171

9-3
FOR TRAINING PURPOSES ONLY
LEARJET 20 SERIES PILOT TRAINING MANUAL
FlightSafety
international
LH ENGINE
BLEED AIR
ENGINE
FRONT
FRAME
HEAT
WING ANTI-ICE
FLOW
CONTROL VALVE
TO CABIN
BLEED-AIR
SHUTOFF
VALVE
ENGINE
FRONT
FRAME
HT
RH ENGINE
BLEED AIR
RH
ENGINE
ON
OFF
AIR
BLEED
HYDRAULIC
RESERVOIR PRESSURE
✽✽
✽
✽✽
BLEED-AIR SHUTOFF VALVES ARE INSTALLED ON
23-003 THROUGH 23-029 UNLESS MODIFIED BY SK140.
SN 24-297 THROUGH -349 AND 25-135 AND -181
THROUGH -226
✽
(IF INSTALLED) PRESSURIZATION
JET PUMP
WINDSHIELD HEAT
ANTI-ICE
BLEED-AIR
SHUTOFF VALVE
ON
LH ENGINE
OFF
AIR
BLEED
✽
REGULATED BLEED AIR
BLEED AIR
LEGEND
Figure 9-1. Pneumatic System—SNs 23-003 through 24-349 and 25-003 through 25-226