Cessna 208B - Before Takeoff Reliability Tests

CESSNA
MODEL
2088 (675 SHP)
1 SYSTEMS CHECKS (Continued)
SECTION 4
NORMAL PROCEDURES
AUTOPILOT CHECK (BENDIXIKING KFC-225)
I
Refer to Section 9 of this Pilot's Operating Handbook, Supplement S27
for complete information.
NOTE
When autopilot is turned on while airplane is on the ground,
the control wheel should be held to prevent ailerons from
banging stops.
BEFORE TAKEOFF RELIABILITY TESTS
NOTE
Perform steps 1 thm 8 prior to each flight.
1. Gyros - Allow 3-4 minutes for gyros to come up to speed.
2. AVIONICS POWER
1 Switch -ON.
3. PREFLIGHT TEST - Performed automatically on power up.
NOTE
If TRIM warning light stays on, the autopilot did not pass the
preflight test. The autopilot circuit breaker should be pulled
(the autopilot and manual electric trim will be inoperative).
4. Manual Electric Trim
- TEST as follows:
A. Actuate lefl side of split switch unit to the fore and aft positions.
The trim wheel should not move on its own. Rotate the trim
wheel manually against the engaged clutch to check the pilot's
trim overpower capability.
B. Actuate right side of split switch unit to the fore and aft
positions. The trim wheel should not move on its own and
normal trim wheel force is required to move it manually.
C. Press the
Alp DlSC/TRlM INTER switch down and hold.
Manual electric trim should not operate either nose up or nose
down.
5. Autopilot
- ENGAGE by pressing AP button. The optional yaw
damper will also engage.
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