97-20 Radar Altimeter Installation (continued)
D. Installation
RAD-40 Indicator
1. Turn battery & avionics switches off and pull out RADAR ALT (2 amp) circuit
breaker on circuit breaker panel.
2. Connect console harness to RAD-40 Indicator.
3. a. For Above-Console Installation: Install hardware securing B560 faceplate to indi-
cator & install hardware securing B560 enclosure assembly to instrument console.
b. For In-Console Installation: Supporting indicator, install hardware securing
B421-1 visor assembly, A590-4 cover plate, and indicator to instrument face.
4. Install perimeter screws securing instrument face to upper console or install
Garmin GDU 620 Display per § 95-70.
5. Push in RADAR ALT (2 amp) circuit breaker on circuit breaker panel. Turn battery
& avionics switches on.
6. Perform appropriate functional checks per Freeflight Systems Instructions for
Continued Airworthiness. Turn battery & avionics switches off.
ATG-410 Tone Generator
1. Turn battery & avionics switches off and pull out RADAR ALT (2 amp) circuit
breaker on circuit breaker panel.
2. Connect console harness to ATG-410 tone generator.
3. Position tone generator on keel panel and install screws. Verify security.
4. Close instrument console or install Garmin GDU 620 Display per § 95-70.
5. Push in RADAR ALT (2 amp) circuit breaker on circuit breaker panel. Turn battery
& avionics switches on.
6. Perform appropriate functional checks per Freeflight Systems Instructions for
Continued Airworthiness. Turn battery & avionics switches off.
RA-4000/RA-4500 Radar Altimeter
1. Turn battery & avionics switches off and pull out RADAR ALT (2 amp) circuit
breaker on circuit breaker panel.
2. Connect airframe and antenna harnesses to radar altimeter.
3. Supporting RA-4000/RA-4500 radar altimeter, install screws securing radar
altimeter to F542-2 support. Verify security. Hinge front left seat aft.
4. Push in RADAR ALT (2 amp) circuit breaker on circuit breaker panel. Turn battery
& avionics switches on.
5. Perform appropriate functional checks per Freeflight Systems Instructions for
Continued Airworthiness. Turn battery & avionics switches off.
Page 97.10
Chapter 97 Avionics APR 2019
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