Before returning the aircraft to service, the requires these tests:
10VAC, 430Hz (Supplied by the flight computer to the pick-offs) 0-degree or 8-degree instrument panel configurations Mechanical Installation & Panel Layout
With the engine running and the vacuum/pressure system operating:
Proper installation is essential for pilot safety and autopilot performance. This guide outlines the technical requirements, physical installation steps, and calibration procedures for the KI 256. 1. Pre-Installation Requirements and Safety ki 256 installation manual
: Apply a properly filtered and regulated 4.5 in. Hg vacuum source to spin up the gyro rotor. Allow the unit to stabilize completely for at least 15 minutes.
| Pin | Function | Wire Gauge | |-----|----------|-------------| | 1 | +14V/28V DC | 22 AWG | | 2 | Ground | 22 AWG | | 3 | Gyro motor power (from KA 51B pin 6) | 22 AWG | | 4 | Synchro rotor R1 | Shielded 24 AWG | | 5 | Synchro rotor R2 | Shielded 24 AWG | | 6 | Synchro rotor R3 | Shielded 24 AWG | | 7 | Flag drive (to KI 525A) | 24 AWG | | 8 | Panel light hot (5V AC/DC or 14V/28V per dimmer) | 22 AWG | | 9 | Panel light ground | 22 AWG | | 10 | Not used | – | | 11 | Not used | – | | 12 | Shield drain (case ground) | – |
The KI 256 has internal shock isolation. Do use additional rubber shock mounts. Mount the tray directly to the instrument panel substructure using #6-32 screws and lock washers. Torque to 8–10 in-lbs. Before returning the aircraft to service, the requires
The following steps provide a detailed guide on the installation of the KI 256:
Given the lack of specifics about "ki 256," the above is a generic guide. For accurate and detailed instructions, it's best to consult the official documentation or contact the manufacturer directly.
: Accepts DC drive currents from the computer to steer the single-cue command bars dynamically over the attitude horizon. Pre-Installation Requirements and Safety : Apply a properly
: Available for zero-degree or 8-degree instrument panels.
Cut a standard 3-inch instrument hole with four mounting screw clearance holes.