JUL 2020 Chapter 92 ENG Version Page 92.3
92-10 A826-18 Transceiver Installation (FM1)
A. Description
The A826-18 (Kenwood TK-7180 series or TK-8180 series) FM transceiver is installed
in the avionics console and includes an antenna, associated wiring, and mounting
hardware. The transceivers are used by the pilot and/or crew to communicate with
ground-based media personnel.
B. Schematic
Refer to Figure 92-3 for A826-18 transceiver installation wiring diagram.
C. Removal
1. Refer to Figure 92-1. Turn battery & avionics switches off and pull out FM1 (10
amp) circuit breaker at panel.
2. Loosen radio key securing A824-18 transceiver to upper console radio tray.
3. Remove transceiver from tray. Disconnect G459 harness assembly from back of
transceiver and remove transceiver.
D. Installation
1. Refer to Figure 92-1. Turn battery & avionics switches off and pull out FM1 (10
amp) circuit breaker at panel.
2. Connect G459 harness assembly to A824-18 transceiver and verify security. Install
transceiver in upper console radio tray.
3. Tighten radio key securing transceiver to tray. Verify equipment security.
4. Push in FM1 (10 amp) circuit breaker at panel. Turn battery & avionics switches on.
5. Perform appropriate functional checks per Kenwood TK-7180/TK-8180 FM
Transceiver Instruction Manual. Turn battery & avionics switches off.
E. Scheduled Inspections
Every 100-hour or annual inspection, inspect A824-18 transceiver for proper installation
(refer to R66 Illustrated Parts Catalog Chapter 92) & proper operation per Part D steps
4 and 5.
F. Special Inspections
1. Refer to Figure 92-1. Turn battery & avionics switches off. Open circuit breaker
panel.
2. As required, remove A824-18 transceiver per Part C. Inspect condition of and
verify no obvious damage to transceiver, circuit breaker, and wiring. Verify no
loose, chafed, or broken wires or terminals. Verify no evidence of arcing. Verify
equipment security.
3. Secure circuit breaker panel. Install transceiver per Part D if removed.
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