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Kongsberg Maritime AS. The document, or any part of it, may not be translated to any other language without the written approval from Kongsberg Maritime AS.
Transducer replacement procedure Table of contents ABOUT THIS DOCUMENT ........... 5 LOGISTICS................ 6 Personnel requirements ....................6 Required tools for transducer replacement...............6 PROCEDURES ..............8 Replacing the transducer ..................8 Transducer replacement introduction.............. 8 Relevant spare parts ..................9 Unpacking a new transducer ................9 Dismounting the transducer from the bottom of the transducer shaft....
About this document About this document This document explains how to replace the transducer on a Simrad SP90/SX90/SU90 Series hull unit. The document is used for the following sonar systems: • Simrad SP90 • Simrad SX90 • Simrad SU90 Note In order to ensure a safe and correct operation, make sure that you comply to this procedure.
Personnel requirements Note This procedure is not intended for end users. Transducer replacement can only be done by representatives from Kongsberg Maritime/Simrad or from an authorized dealer or agent. The tasks related to transducer replacement are provided for technical personnel;...
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Logistics • Cable stripper • Wrenches • Spanners • Tweezers The following test and measuring instruments are also recommended for electronic troubleshooting and repair: • Digital multimeter • Oscilloscope • Signal generator Whenever special tools or test instruments are required by a specific procedure, these are identified in the procedure.
Simrad SP90/SX90/SU90 Procedures Topics • Replacing the transducer on page 8 • Replacing the zinc anodes on page 12 Replacing the transducer This set of procedures explain how to replace the transducer. The procedure is used for the following sonar systems: •...
Procedures In the following procedure it is assumed that the transducer is accessible, and that the 3-phase mains voltage to the hull unit is disconnected. Important If the hull unit is dismounted from the trunk, we strongly recommended that you also replace the zinc anodes.
Simrad SP90/SX90/SU90 Description The transducer is provided in a wooden transport crate. During unpacking, make sure that the crate is not damaged. Marking ”Top when unpacking” The wooden transport crate containing the transducer Zinc anodes Plastic cover bolted to the top of the transducer to protect the plugs Lifting bracket, must be...
Procedures Description If the damage to the old transducer allows it to be returned to Kongsberg Maritime for repair, use one part of the transport protection as a protection bed under the transducer. The four Allen key bolts are used to press the Dismounting the transducer transducer downwards.
Simrad SP90/SX90/SU90 Description Guide pin Mounting the new transducer Rotate the transducer to make the guide pin hit its hole, Mount the 16 fastening bolts. Observe the specified torque. Special tools and instruments • Lifting equipment • Transportation device • Silicone grease for O-rings Procedure Clean the end of the shaft thoroughly.
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Procedures Important Location of the zinc anodes We recommend that you check the zinc anodes every time you dock the vessel, and that you replace them when required. In the event that maintenance tasks are carried out on the hull unit with the unit is dismounted from the trunk, we recommended that you replace the zinc anodes simultaneously.
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