Thrane & Thrane

Thrane & Thrane Aalborg A/SPorsvej 2P.O. Box 7071DK-9200 Aalborg SVDenmark

Thrane & Thrane A/S After Sales Service

Document Rev. 18.03.2005

Exchanging theElectronics Module

SAILOR UAIS1900

SKANTI UAIS 2100

InstructionDocument rev. 18.03.2005

Thrane & Thrane

Thrane & Thrane Aalborg A/SPorsvej 2P.O. Box 7071DK-9200 Aalborg SVDenmark

Thrane & Thrane A/S After Sales Service

Document Rev. 18.03.2005

Equipment affected: SAILOR UAIS1900 & SKANTI UAIS 2100

- Transponder

Tools required: 4 mm Allen key

Crosshead Screwdriver Size 2

Long Screwdriver Size 3

Wrench 8 mm

Wrench 10 mm

Socket Wrench 10 mm

Application: This document describes the procedure for the exchange of theElectronics Module of the SAILOR UAIS1900 & SKANTI UAIS 2100 transponder.

Parts used: Electronics Module Replacement Kit: p/n 55.216

NOTE:

Before initiating the exchange of the Electronics Module refer to the applicableTechnical Service Information No. 200 503 14

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Thrane & Thrane Aalborg A/SPorsvej 2P.O. Box 7071DK-9200 Aalborg SVDenmark

Thrane & Thrane A/S After Sales Service

Document Rev. 18.03.2005

Procedure:

Sailor/Skanti UAIS transponders in the field are found in two versions differingin the housing used, a cast aluminium housing and the later version utilizing asteel housing. The procedure for exchanging the Electronics Module differs onlyslightly between the two. The differences will be detailed where applicable.

Open the cover of the transponder

1. Disconnect the UAIS Transponder from the external power source.

2. Undo the four screws in the cover of the transponder and removecover. The screws should not be removed from the cover.

Cast aluminium housing

Steel housing

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Housing for UAIS, belowserialnumber 0019233000.The cover is fixed with fourAllen head screw.

Housing for UAIS, aboveserialnumber 0019233000.The cover is fixed with fourPhilips crosshead screw.

Thrane & Thrane

Thrane & Thrane Aalborg A/SPorsvej 2P.O. Box 7071DK-9200 Aalborg SVDenmark

Thrane & Thrane A/S After Sales Service

Document Rev. 18.03.2005

Removing the Electronics Module

1.: Disconnect the three coaxial cables from the Electronics Module, usingthe 8mm wrench.

2.: Disconnect the four cable connector plugs on top of the ElectronicsModule. Each plug is labelled, indicating the connected type of cable.A corresponding label is found on top of the mating connector fixed tothe Electronics Module Interface board. If these labels for somereason are missing, make sure to mark the connectors prior todisconnecting the plugs in order to ensure correct connections whenreassembling.

NOTE:

In case of the transponder being the version of the steel housing, power forexternal fan must be disconnected also!

Remove screws/hex nuts securing the Electronics Module mounting plate to thetransponder housing, using screwdriver/10mm socket wrench.

a) In case of transponder being version of cast aluminium housing, fourscrews must be removed.

Cast aluminium housing

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Thrane & Thrane

Thrane & Thrane Aalborg A/SPorsvej 2P.O. Box 7071DK-9200 Aalborg SVDenmark

Thrane & Thrane A/S After Sales Service

Document Rev. 18.03.2005

Lift out the Electronics Module from the transponder housing.

b) In case of transponder being version of steel housing, six hex nutsmust be removed.

Steel housing

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Thrane & Thrane

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Thrane & Thrane A/S After Sales Service

Document Rev. 18.03.2005

Installing the Electronics Module

1.: Install the replacement Electronics Module by first connecting thecoaxial cables attached to the transponder housing prior toinserting the Electronics Module completely in the transponderhousing. In this process excersize care not to impose strain to thecoaxial cables and connectors. Do not tighten connectors at thispoint. This will be done done later in the replacement process.

2.: Fully insert the Electronics Module in the housing, install thescrews/nuts and tighten securely, using the 10mm screwdriver/socket wrench.

LAN

GPS

VHFLAN

GPS

VHF

LANGPS

VHF

At this point make sure that the coaxial cables are connected to theappropriate connectors in the Electronics Module, i.e. the external transpondercable connectors marked LAN, GPS and VHF should be connected to thecorrespondingly marked connectors of the Electronics Module. This is importantfor the proper function of the transponder.

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Thrane & Thrane

Thrane & Thrane Aalborg A/SPorsvej 2P.O. Box 7071DK-9200 Aalborg SVDenmark

Thrane & Thrane A/S After Sales Service

Document Rev. 18.03.2005

FAN

PLUGS

COAXIAL CABLES

In case of transponder being of steelhousing type also connect plug forexternal fan.

3.: Tighten the coaxial cables connectors of the Electronics Module,using the 8mm wrench

4.: Connect the external cabling plug for power supply, sensors andAIS data.

5.: Re-install and secure the transponder cover.

Page 7 of 9

Thrane & Thrane

Thrane & Thrane Aalborg A/SPorsvej 2P.O. Box 7071DK-9200 Aalborg SVDenmark

Thrane & Thrane A/S After Sales Service

Document Rev. 18.03.2005

Lifting of the Cover of the Transponder Housing

This chapter is applicable to transponders of cast aluminium housing only.

Transponders of this version when installed in a confined installation space maybe subjected to prolonged excessive heating in case of a fan failure. Tominimize the risk of such prolonged excessive heating the cover of thetransponder housing should be lifted using the stand offs and protection gridsupplied with the Electronics Module replacement kit p/n 55.216.

Install the four stand offs into the threaded holes of the transponder housingand tighten, using 10mm wrench.

Four stand offssupplied as part ofthe Electronic Modulereplacement kit.

Page 8 of 9

Thrane & Thrane

Thrane & Thrane Aalborg A/SPorsvej 2P.O. Box 7071DK-9200 Aalborg SVDenmark

Thrane & Thrane A/S After Sales Service

Document Rev. 18.03.2005

Place the protection grid over the stand offs as illustrated.

Protection grid

Re-install and secure the transponder cover.

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