UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED
ENSTROM F-28F/280F SERIES MAINTENANCE MANUAL SUPPLEMENT 1
Rev.
8
12-4
Jan
15/19
SECTION 4
SYSTEM MAINTENANCE
NOTE
Removal or installation of equipment will change the aircraft empty
weight and empty weight c.g. These changes will be recorded on the
Basic Weight and Balance Record, as required.
4-1.
GMA 350Hc Audio Panel
NOTE
All work must be accomplished in accordance with the Enstrom F-
28F/280F Series Maintenance Manual.
4-1-1. Removal
A. Remove power to the GMA 350Hc audio panel unit.
B. Unlock the unit from the rack using the appropriate size hex wrench.
C. Carefully pull the unit from the rack.
4-1-2. Inspection
A. Verify the audio panel operation in accordance with paragraph 3-2 of the
GMA 350/350H
Audio Panel Maintenance Manual
(para. 1-2).
4-1-3. Repair
A. Replace the audio panel if any of the tests performed in paragraph 4-1-2 fail.
4-1-4. Installation
NOTE
Do not use excessive force when inserting the GMA 350Hc into the rack.
This may damage the connectors, unit, and/or unit rack.
A. Insert the GMA 350Hc unit into the rack.
B. Lock the unit in place using the appropriate size hex wrench.
4-1-5. Post Installation Configuration
A. If the installation is a replacement, modify the configuration settings utilizing the GMA
350/350H Configuration Tool v2.45, P/N 006-A0245-10 per the GMA 350/350H
Configuration Tool User’s Guide (Table 12-2).
(1) Configure the GMA 350Hc in accordance with Figure 12-3.
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