Garmin 400W Series Instructions Manual page 9

Continued airworthiness bell 407

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The installed 400W Series equipment can be accessed as described below:

LRU Access: Bell models 407

1. GA 35/36/37 ANTENNA: FS84.0 for dual antenna installation; FS79.0 for single antenna installations.

Remove environmental seal, remove four antenna screws and lift the antenna enough to disconnect

antenna connector.

2. OVERHEAD CIRCUIT BREAKER PANEL: Access or remove by extracting the mounting screws along

the side of the circuit breaker panel.

3. CYCLIC CONTROL GRIPS: remove by extracting mounting screw at bottom of grip.

4. COOLING FAN: FS24.63 Access by removing 407-030-202-148 COVER, LOWER, RH. Remove two

screws, disconnect connector and air duct.

5. 400W SERIES UNIT: FS40 Access or remove by using a 3/32 allen head screwdriver to loosen the

locking mechanism through the access hole on the front of the unit. Note: location may vary slightly

depending whether or not a dual navigator system is installed.

400W Series

Instructions for Continued Airworthiness Bell 407

190-01226-14 Rev. 3

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