Mounting - Garmin G300 Installation Manual

1.4.4 Environmental Specifications
Refer to the applicable environmental form (Table 1-4) for a complete list of environmental
characteristics.
GMU 44 Environmental Qualification Form
GTP 59 Environmental Qualification Form
1.4.5 Cooling Requirements
•
No cooling air is required for the GDU 37X
•
No cooling air is required for the GMU 44
•
No cooling air is required for the GSU 73, however the GSU 73 should be mounted in a location
that provides adequate airflow to comply with the maximum outer case temperature listed in
Section 4.
Avoid installing the G300 LRUs near heat sources.
possible, ensure that additional cooling is provided. Allow adequate
space for installation of cables and connectors. The installer will supply
and fabricate all of the cables. All wiring should be in accordance with
FAA AC 43.13-1B and AC 43.13-2A.

1.5 Mounting

Refer to Section 2 through Section 6 for specific mounting instructions for each component of the G300,
and to Appendix A for Outline & Installation Drawings.
It may be necessary to mount the GSU 73 and/or the GMU44 remotely due to spacing/accessibility
concerns, or due to weight/balance requirements.
Page 1-4
Revision A
Table 1-4. G300 LRU Environmental Forms
Document
NOTE
Garmin Part Number
005-00164-31
005-00191-97
If this is not
G300 Installation Manual –Installation Overview
190-00921-01