Garmin SA01933LA_D Manual de instrucciones descargar pdf (Pagina 21)

Instructions for Continued Airworthiness G600, GNS 530W, GNS 430W, 190-01080-05 Rev. 2

GMA 347, GTX 330D, GMX 200, WSI AV-200 Cessna 208/208B Page 21 of 29

2. Rotate the Allen wrench counterclockwise until the front lobe of the locking mechanism is in a

vertical position.

3. Slide the unit into its rack until the front lobe of the locking mechanism touches the rack.

4. Rotate the Allen wrench clockwise until the unit is secured in its rack.

NOTE:

Do not over tighten. Do not force the unit in if installation is obstructed.

Instead remove the unit and determine the source of obstruction before

reattempting installation.

Original GTX330D is reinstalled:

• Perform the GTX Regulatory Testing specified in section 2.5.1.

NOTE:

No software or configuration loading is required if the removed GTX is re-installed.

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 GTX330D is Installed

• Complete all software verification and configuration procedures in accordance with Section 4 of

the appropriate Modification Summary.

• Perform the GTX Regulatory Testing specified in section 2.5.1.

2.7.12 Top Transponder Antenna Removal & Replacement

NOTE:

Refer to the Antenna Installation Drawing, 005-00521-11, for diagrams, specific instructions and

installation data related to the transponder antenna installations.

1. Gain access to the upper antenna installation by removing the interior cargo liner. Refer to the

Cessna Caravan Maintenance Manual, D2078-21-13 for this procedure.

2. Disconnect antenna coaxial cable by twisting the BNC connector CCW.

3. Remove the 8-32 hex nut, lock washer, and flat washer from each of the two antenna studs

located inside the fuselage and set aside.

4. On the exterior side of the antennas, carefully remove any RTV sealant which surrounds the base

of the antenna.

5. Remove the antenna from the aircraft. Inspect the installation location, including ground plane,

BNC connector, coaxial cable, and fasteners for corrosion or any other form of damage. Repair

any damage before proceeding, in accordance with the Cessna Caravan Maintenance Manual,

D2078-21-13, and/or the installation drawings listed in section 2.1, as applicable.

6. Reinstall the antenna in accordance with the Antenna Installation Drawing, 005-00521-11.

7. Perform the regulatory transponder testing required in section 2.5.1 prior to returning the aircraft

to service.

2.7.13 Bottom Transponder Antenna Removal & Replacement

NOTE:

Refer to the Antenna Installation Drawing, 005-00521-11, for diagrams, specific instructions and

installation data related to the transponder antenna installations.

1. Within the cargo pod, gain access to the lower antenna installation sites. Remove the Isocryl

putty sealant from the antenna stud holes in the composite structure.

2. Remove the 8-32 hex nut, lock washer, and flat washer from each of the two antenna studs and

set aside.

3. On the exterior side of the antennas, carefully remove any RTV sealant which surrounds the base

of the antenna.

4. Carefully lower the antenna straight down only enough to gain access to the coaxial cable BNC

connection. Twist the BNC connector CCW to disconnect the cable.

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Garmin SA01933LA_D Manual de instrucciones Pagina 21

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