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Instructions for Continued Airworthiness 190-01527-15 Rev 1

for the Garmin G500H Installation in Eurocopter EC130 Page 45 of 82

4. Carefully remove the unit from its mounting location.

ii Installation

1. Position the unit and fasten using the four (4) screws.

2. Connect the pitot/static plumbing.

3. Inspect the connector and pins for damage. Repair any damage.

4. Connect the connector to the unit, ensuring that each jackscrew is secured.

Original GDC 74H is Reinstalled

If the original GDC 74H is re-installed, then no software loading is required. This does

not include units that were returned for repair as their software and configuration files

are deleted during the repair testing process.

New, Repaired or Exchange GDC 74H is Installed

If a new, repaired, or exchange GDC 74H unit is installed, then software must be loaded

to the unit. Refer to Section 5.4.4 of the G500H STC Installation Manual for more

information.

GDC 74H Configuration Module is Replaced

If the GDC 74H Configuration Module is replaced, the GDC 74H must be configured.

Refer to Section 5.5.8 of the G500H STC Installation Manual

iii Return to Service

After removing and reinstalling the GDC 74H, the return-to-service checks must be

performed (reference Section 12-00-00 Return-to-Service Check).

C) GRS 77H AHRS

i Removal

1. Disconnect the GRS 77H connector.

2. Loosen the four Phillips thumbscrews with a screwdriver.

3. Gently lift the GRS 77H from the mounting plate (if the supports for the

mounting plate are removed, the GRS 77H must be recalibrated)

ii Installation

1. Place the GRS 77H on the mounting plate, ensuring the orientation is correct.

2. Fasten the unit to the plate using the Phillips thumbscrews. Recommended torque

is 22-25 inch pounds.

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Garmin B4 Bedienerhandbuch Seite 45