Specifications

SECTION V
MODEL 560 ABNORMAL PROCEDURES
EMERGENCY PRESSURIZATION ON (AUTOMATIC ACTUATION) (EMER PRESS CAUTION LIGHT
ON) AND CABIN ALTITUDE (CAB ALT WARNING LIGHT NOT ON) (Continued)
IF EMER PRESS CAUTION LIGHT REMAINS ON
4. PRESS SOURCE Select Knob - EMER, then R, L or NORM.
IF EMER PRESS CAUTION LIGHT STILL REMAINS ON
5. PRESS SOURCE Select Knob - EMER.
6. Control cabin temperature with left throttle.
7. Overhead Wemacs - OPEN.
8. OVHD Fan Switch - HI.
9. ENGINE SYNC Knob - OFF.
NOTE
Emergency pressurization utilizes precooled bleed air (475°F) from the left engine.
CABIN PRESSURIZATION CONTROLLER FAILURE (RED LED ILLUMINATED)
NOTE
Detection of an internal controller fault will be indicated by both SET ALT and RATE
displays blanking and the illumination of a red LED in the upper left corner of the
controller face.
IF CABIN ALTITUDE IS NOT BEING MAINTAINED (CABIN ALTITUDE
INCREASING/DECREASING)
1. Pressurization SYSTEM SELECT Switch - MANUAL.
2. Manual Toggle Switch - UP/DOWN to control cabin altitude.
CAUTION
CABIN MUST BE MANUALLY DE-PRESSURIZED PRIOR TO LANDING.
IF CABIN ALTITUDE IS BEING MAINTAINED (CABIN ALTIMETER STEADY)
1. Cabin Altitude - MONITOR.
2. Pressurization SYSTEM SELECT - Be prepared to select MANUAL prior to airplane altitude
change.
I 56OMB-01 Configuration AA 5-13