Ki 256 Installation Manual

The KI 256 connects to the autopilot computer to send attitude data and receive signals for the command bars.

After any installation or internal modification, the unit must undergo rigorous validation.

system. Detailed pinouts and mounting instructions are generally found in the KFC 200 installation documentation KFC 150 System Installation Manual : For aircraft using the KFC 150 system , the KI 256 installation details are included in manual P/N 006-10552-XXXX KI 256 Maintenance/Overhaul Manual ki 256 installation manual

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: Approximately 7.31 in (L) x 3.55 in (W) x 3.37 in (H). Weight : Roughly 3.3 lbs. The KI 256 connects to the autopilot computer

Electrical items, including the KI 256, must be installed by a licensed repairman or installer to be eligible for any return policies. Always disconnect the aircraft’s battery before working on any electrical connection.

Installing a KI 256 is not a simple "plug and play" task. To ensure the autopilot tracks correctly, a system alignment is typically required: Field Alignment : Alignment should ideally be done at the aircraft using a gyro tilt stand I should search for the manual and related information

Check that the horizon bar erects to a level position matching the aircraft's physical water line. Autopilot Null Calibration

Are you using a or an alternative 400 Hz power supply?

| Symptom | Likely Cause | Solution | |---------|--------------|----------| | No attitude display, but power on | Missing 400Hz AC reference from remote gyro | Check continuity on pins 4 & 6 | | Erratic flight director bars | Shield not grounded at source | Terminate shield at remote gyro case | | Slow gyro spin-up | Low voltage drop across circuit breaker | Measure voltage at pin 1 under load (min 11.5V for 14V system) | | Flag “GYRO” visible after warm-up | Remote gyro failure or disconnected | Verify KG 258 or KG 102 power & wiring | | Roll indicates opposite direction | Synchro stator leads swapped | Swap any two of pins 12/13/14 |