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CESSNA 400B AUTOPILOT
(TYPE AF-550A)
PILOT'S OPERATING HANDBOOK
SUPPLEMENT
SECTION 3
EMERGENCY PROCEDURES
IN CASE OF AUTOPILOT MALFUNCTION:
1.
Airplane Control Wheel -- OPERATE as required to manually
override the autopilot.
NOTE
The servos may be manually overpowered at any time
without damage.
If
pitch axis is overpowered, electric trim
will run in opposition to overpowering force. Manually
overpowering the autopilot should be kept to a minimum
since slip clutch wear will result from extended periods of
manual overpower.
2.
AUTOPILOT DISENGAGE Switch (on Control Wheel) -- PULL
OFF.
NOTE
This action automatically trips autopilot
ON-OFF
switch
OFF.
If
electrical malfunction still persists, turn avionics
power switch OFF and, if necessary, turn the airplane
master switch OFF.
SECTION 4
NORMAL PROCEDURES
BEFORE TAKE OFF RELIABILITY TESTS:
10
1.
Autopilot Automatic Disconnect Check (with Engine Running and
Gyros Erected) -- PERFORM the following checks.
a.
PULL-TURN Knob -- CENTER and PULL OUT.
b.
Autopilot Lateral TRIM Control -- CENTER.
c.
AP ON-OFF Rocker Switch -- ON.
NOTE
The roll servo will engage immediately. The pitch servo
will engage after pitch synchronization as evidenced by
the autopilot pitch command wheel coming to rest.
~
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