Learjet 20 Series - Section 13

12-iii
ILLUSTRATIONS
Figure Title Page
12-1 Pressurization Control System Diagram—SNs 24-350
and Subsequent, and 25-227 and Subsequent ........................................................ 12-2
12-2 Pressurization Control Panel .................................................................................. 12-3
12-3 Pressurization Control System Diagram—SNs 24-230 through -349
and 25-070 through -226........................................................................................ 12-4
12-4 UP–DN Lever......................................................................................................... 12-5
12-5 HORN SILENCE Switch....................................................................................... 12-6
12-6 AIR BLEED Switches............................................................................................ 12-8
12-7 Pressurization Indicators ........................................................................................ 12-8
12-8 IN NORMAL/OUT DE-FOG Knob .................................................................... 12-10
TABLES
Table Title Page
12-1 Automatic Protection and Warning Features—SNs 24-230
through -349, and 25-067 through -226............................................................... 12-11
12-2 Automatic Protection and Warning Features—SNs 24-350
and Subsequent, and 25-227 and Subsequent ...................................................... 12-12
FOR TRAINING PURPOSES ONLY
LEARJET 20 SERIES PILOT TRAINING MANUAL
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