Instruction Manual

Instructions for Continued Airworthiness 190-00792-12 Rev 1
for the Garmin G500H Installation in Eurocopter AS350 Page 21 of 80
c) GRS 77H, AHRS
GRS 77H is located underneath the cabin floor between station 1790 and 2325 on the left
or right side of the aircraft depending on aircraft configuration. (Figure 6-03)
Access Removal and Installation Methods
i. Removal
1. Un-screw the Center lower belly access panel.
2. Disconnect the retaining straps that prevent the panel from falling to the floor.
3. If aftermarket items are attached to the Center lower belly panel it may be
necessary to remove or disconnect them in order to remove the lower belly panel.
Consult the manufacturers Installation and Removal instructions for proper
removal of items.
ii. Installation
1. Re-install aftermarket items if removed to gain access to the air data computer.
Consult the manufacturers Installation and Removal instructions for proper
installation of items.
2. Connect the retaining strap that was disconnected to gain access to the air data
computer.
3. Close the Center lower belly access panel and attach screws.
Caution: Use of power tools during removal or installation
of panels and attaching hardware may damage nut plates
or deform holes in composite doors, covers, panels, and
fairings.
06-00-00
Figure 6-03
GRS 77H
STA
2325
REF
STA
1790
REF