Textron Cessna 172S Skyhawk SP, Information Manual

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CESSNA
MODEL 172S
SECTION 9 - SUPPLEMENTS
SUPPLEMENT 15 . FAA APPROVED
-NOTE
Upon applying, power to the autopilot, the red P
warning on the face of the autopilot may illuminate
'indicating tharthe pitch axis Gannot be engaged.
This' condition should be temporary, lasting
approxiinately 30 seconds. The P will extinguish
and normal operation will be available.
A
WARNING
IF PITCH TRIM LIGHT STAYS ON, THEN'THE
AUTOTRIM DID NOT PASS PREFLIGHT TEST .
• THE AUTOPILOT CIRCUIT BREAKER MUST BE
PULLED. MANUAL ELECTRIC TRIM AND AUTO.
PILOT ARE INOPERATIVE.' .
3. MANUAL ELECTRIC TRIM :. TEST as follows:
a. LH SWITCH .. PUSH FORWARD to ON position and hold.
OBSERVE NO MOVEMENT of Elevator Trim Wheel.
Rel!lase switch to Center OFF Position.
NOTE
If movement of the elevator trim wheel is observed
during
a
check of ,either LH, or RH, Switch,the
manual electric trim system has malfunctio'ned. The
flight may be continued if the AUTOPILOT Circuit
Breaker is pulled to the OFF position and secured
until repairs can be made.
'b. LH SWiTCH .. PULL AFT to UP position and hold.
OBSERVE NO MOVEMENT of the Elevator Trim Wheel.
Release switch to center OFF position.
,
,c', RH SWITCH .. PUSH FORWARD to ON position and hold
for 5' seconds. OBSERVE NO MOVEMENT
Of'
Elevator
Trim Wheel. V~rify' red ~ ligh\ on .the autopilot display-!
,Release switch to center OFF position.
Revision 5