G5 Battery; Figure 6-2 G5 Captive Mounting Screw - Garmin G5 Maintenance Manual

3. Reconnect the pitot and static lines to the G5 unit. The ports are labeled on the unit using the
abbreviations "P" and "S" respectively.
4. Insert the alignment pin located at the top of the unit into the mating hole in the mounting ring,
pushing the unit flush with the instrument panel.
5. Insert a hex drive tool through the access hole in the front cover of the G5 as shown in Figure 6-1
and tighten the unit to the instrument panel using 10-12 in-lbs torque.
6. Proceed to Section 7 for configuration and testing.
Note: If a replacement G5 unit is being installed in an instrument panel greater than 0.150 inch thick, the
captive mounting screw must be replaced with a longer #6-32 hex socket head screw. To replace the
captive mounting screw, remove the two #4-40 flat head Phillips mount plate screws, the G5 screw mount
plate, and the captive screw as shown in Figure 6-2. Install a longer #6-32 hex socket head screw and
reinstall the screw mount plate. Ensure correct orientation of the screw mount plate before applying 6-8
in-lb. of torque to the #4-40 mount plate screws.

6.2 G5 Battery

Removal
1. Loosen the G5 unit per Section 6.1. Do not remove the pitot and static lines or the electrical and
GPS coaxial cable connectors from the G5 unit if access to the battery can be gained while these
items remain connected.
2. Use a screwdriver to loosen the battery jackscrews on the back of the unit (reference
3. Remove the battery from the G5 unit.
Reinstallation
1. Locate the battery on the back of the G5 unit.
2. Use a screwdriver to tighten the battery jackscrews to back of the G5 unit.
3. Reinstall the G5 unit per Section 6.1.
Garmin G5 Electronic Flight Instrument Part 23 AML STC Maintenance Manual

Figure 6-2 G5 Captive Mounting Screw

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