Commissioning & Service
Waterjet Commissioning & Service Documents
A selection of documents to assist with commissioning and operation of vessels with UltraJet propulsion.
Waterjet System Commissioning Guide
A guide to identify and rectify engine and boat performance issues during initial seatrials. Also possible situations occurring in service following successful sea trials. This guide may be used to troubleshoot most waterjet propulsion systems, regardless of the waterjet supplier.
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Matching Impeller And Engine RPM
Waterjet impellers have different engine-loading characteristics compared to propellers. This document discusses these differences and especially how waterjet impellers cannot overload the diesel engine. Useful information for diesel engine suppliers.
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Impeller Change Guide
This document is a step-by-step guide to exchange or replace the impeller in UltraJet models 251, 305, 305HT, 340, and 377. The larger UltraJet models use a similar procedure but additional lifting or handling equipment may be required due to the unit size and weight. This document is a supplement to the manual supplied with the UltraJet unit.
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Thrust Bearing Removal & Replacement Guide
This document is a step-by-step guide to remove and replace the thrust bearings in UltraJet models 251, 305, 305HT, and 340 with greased bearings. This document supplements the manual supplied with the UltraJet unit.
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Routine Operator Checks and Service For Commercial Operators
This document has a table with daily, weekly, monthly and annual checks and service on UltraJet units. A separate table is available for each UltraJet model. Intended for use by operators and owners of vessels with UltraJet propulsion in commercial service. This document supplements the manual supplied with the UltraJet unit.
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