15447 version 3
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Install a replacement engine in a trailer boat
Level / 3Credits / 4
PurposeThis unit standard is for people in the trailer boat repair industry. People credited with this unit standard are able to assess the suitability of a trailer boat for repowering, and install a replacement engine in a trailer boat.
Subfield / Motor IndustryDomain / Engines
Status / Registered
Status date / 25 January 2008
Date version published / 25 January 2008
Planned review date / 31 December 2012
Entry information / Open.
Accreditation / Evaluation of documentation and visit by NZQA and industry.
Standard setting body (SSB) / NZ Motor Industry Training Organisation (Incorporated)
Accreditation and Moderation Action Plan (AMAP) reference / 0014
This AMAP can be accessed at
Special notes
1Legislation relevant to this unit standard includes but is not limited to – Consumer Guarantees Act 1993; Health and Safety in Employment Act 1992.
2Definitions
Company requirements refer to instructions to staff on policy and procedures which are documented in memo or manual format and are available in the workplace. These requirements include but are not limited to – company specifications and procedures, work instructions, manufacturer specifications, product quality specifications, and legislative requirements.
Suitable tools and equipment means industry approved tools and equipment that are recognised within the industry as being the most suited to complete the task in a professional and competent manner with due regard to safe working practices.
3Assessment against this standard includes both outboard and inboard engines.
4For this unit standard, it is essential that the practical assessment evidence is obtained in the workplace under normal workplace conditions.
Elements and performance criteria
Element 1
Assess the suitability of a trailer boat for repowering.
Performance criteria
1.1The suitability of the boat for repowering is assessed and noted in accordance with company requirements.
Rangeeconomic viability, boat safety, engine suitability for the boat and customer requirements, power and torque range, compatibility of transmission and drive (where separate), cooling system (where separate), boat structural integrity, transom and engine bed condition and suitability, engine compartment space (inboard).
1.2The availability of a suitable power unit is established from the boat or engine manufacturer criteria, and the choice is noted in accordance with company requirements.
1.3A repowering recommendation is prepared and presented to the customer in accordance with company requirements. Recommendation includes the availability of a suitable repower unit and a schedule of the required modifications.
Element 2
Install a replacement engine in a trailer boat.
Performance criteria
2.1Safe working practices are observed throughout the task in accordance with legislative requirements.
Rangepersonal safety, safety of others, trailer boat safety, workshop safety, environmental safety, tools and equipment safety.
2.2Suitable tools and equipment are selected and used to enable the existing engine to be removed and the replacement engine to be fitted in accordance with company requirements.
2.3The engine mounting area is accessed, to enable the engine removal and replacement to be carried out without damage to the engine, equipment, boat, and personnel.
2.4The existing engine is disconnected and removed from the boat in accordance with company requirements.
2.5The replacement engine is checked to ensure all components are available for the installation in accordance with company requirements.
2.6Any necessary modifications to the boat to accommodate the replacement engine are made without compromising boat safety in accordance with company requirements.
Rangemodifications may include – engine foundation and mounting brackets, engine compartment space (inboard), systems and controls.
2.7The replacement engine is installed without damage to engine, boat, and equipment, normalised in its mountings so that no tension is present, and aligned in accordance with boat specifications.
2.8Ancillaries, controls, and systems are fitted in accordance with company requirements, and any adjustments necessary are completed in accordance with manufacturer specifications.
2.9The replacement engine is tested to ensure its performance meets the expectations of the repowering recommendation and the customer in accordance with company requirements.
Please note
Providers must be accredited by NZQA, or an inter-institutional body with delegated authority for quality assurance, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by NZQA before they can register credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit standards must engage with the moderation system that applies to those standards.
Accreditation requirements and an outline of the moderation system that applies to this standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The AMAP also includes useful information about special requirements for organisations wishing to develop education and training programmes, such as minimum qualifications for tutors and assessors, and special resource requirements.
Comments on this unit standard
Please contact the NZ Motor Industry Training Organisation (Incorporated) if you wish to suggest changes to the content of this unit standard.
New Zealand Qualifications Authority 2018