COBHAM S-TEC Thirty, Pilot Operating Handbook

Page: 54 / 88

3rd Ed. Feb 15, 07 2-37
S–TEC
ACTION RESPONSE
7. Move A/C Control Wheel forward
until DN lamp is extinguished. Audible alert is squelched.
8. Disengage altitude hold mode. ALT ON lamp is extinguished on
ALT HOLD ON/OFF Switch display.
9. Move A/C Control Wheel forward
and aft. A/C Control Wheel’s increased
freedom of movement indicates that
Pitch Servo is disengaged.
Note: If a Yaw Damper is installed, then proceed to step 10. Otherwise,
proceed to step 19.
10. Actuate A/C Rudder Pedals
alternately in succession, to sense
their freedom of movement about yaw
axis. ------
11. Set Yaw Damper Master Switch
to ON position. ------
12. Turn Yaw Trim Knob until A/C
Rudder Pedals stop. ------
13. Attempt actuation of A/C Rudder
Pedals alternately in succession. A/C Rudder Pedals’ reduced freedom
of movement indicates that Yaw
Servo is engaged.
Yaw Servo can be overridden. If not,
set Yaw Damper Master Switch to
OFF position, and do not use.
14. Turn Yaw Trim Knob fully CCW. Left A/C Rudder Pedal slowly moves
forward.
15. Turn Yaw Trim Knob fully CW. Right A/C Rudder Pedal slowly
moves forward.
Table 2-6. Pre-Flight Test, System Thirty ALT (continued from page 2-35)