SECTION 9 - SUPPLEMENTS
CESSNA
SUPPLEMENT 3
MODEL 172S NAV III
KAP 140 AUTOPILOT
U.S.
FAA APPROVED
NORMAL PROCEDURES
(Continued)
PREFLIGHT (PERFORM BEFORE EACH FLIGHT):
(Continued)
e. Left and Right Switches - PUSH BOTH FORWARD (DN
position) at same time and hold. Make sure that the elevator
trim wheel moves in the nose-down direction. While holding
both switches forward, PUSH and HOLD the A/P DISC/
TRIM INT switch, make sure that the elevator trim wheel
does not move while the A/P DISC/TRIM INT switch is held.
Continue to hold both switches forward and RELEASE the
A/P DISC/TRIM INT switch. Make sure that the elevator trim
wheel moves in nose-down direction. Release both switches
to the center OFF position.
NOTE
Make sure that the elevator trim tab moves up with nose
down elevator trim (both switches held in the DN position)
movement. If the elevator trim wheel moves while the A/P
DISC/TRIM INT switch is pushed and held, the manual
electric trim system has failed. The airplane may be flown if
the AUTO PILOT circuit breaker is PULLED and secured in
the open position so that the autopilot is disconnected from
electrical power and will not operate until it is repaired.
f.
Left and Right Switches - PULL BOTH AFT (UP position) at
same time and hold. Make sure that the elevator trim wheel
moves in the nose-up direction. While holding both switches
in the aft position, PUSH and HOLD the A/P DISC/TRIM INT
switch, make sure that the elevator trim wheel does not
move while the A/P DISC/TRIM INT switch is held. Continue
to hold both switches aft and RELEASE the A/P DISC/TRIM
INT switch. Make sure that the elevator trim wheel moves in
nose-up direction. Release both switches to the center OFF
position.
(Continued Next Page)
172SPHAUS-S3-01
S3-22
For
Training
Purposes
Only
Summary of Contents for Cessna 172S NAV III Skyhawk SP
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