NZQA registered unit standard
20599 version 2
Page 1 of 3
Title
Clean a hydraulic power system for service
Level
2
Credits
4
Purpose
People credited with this unit standard are able to prepare a
hydraulic power system for cleaning, and clean a hydraulic
power system for service.
Classification
Mechanical Engineering > Fluid Power - Hydraulics
Available grade
Achieved
Entry information
Critical health and
safety prerequisites
Unit 20597, Shut down for maintenance, and start up, a
hydraulic power system, or demonstrate equivalent knowledge
and skills.
Explanatory notes
1
References
Legislation applicable to this unit standard includes the Health and Safety in
Employment Act 1992, and Resource Management Act 1991.
2
Definitions
Industry practice – safe and sound trade practices generally accepted by competent
persons within the mechanical engineering industry.
PPE – personal protective equipment and may include but is not limited to protective
clothing, gloves, safety glasses, headwear, footwear, hearing protection, and safety
devices.
Worksite procedures – documents that include: worksite rules, codes, and practices;
equipment operating instructions and maintenance schedules; documented quality
management systems; and health and safety requirements.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
20599 version 2
Page 2 of 3
Outcomes and evidence requirements
Outcome 1
Prepare a hydraulic power system for cleaning.
Evidence requirements
1.1
The importance of system cleanliness is explained in terms of operational
efficiency.
Range
internal, external, supplementary equipment.
1.2
Cleaning instructions are verified with supervisor and followed.
1.3
Tools and equipment are prepared in accordance with the selected system and
industry practice.
Range
1.4
System is made safe in accordance with industry practice and confirmed with
supervisor.
Range
1.5
may include but is not limited to – containers, blanking flanges,
plates and plugs, absorbent materials, hand tools, cleaning
equipment and fluids.
isolation, depressurisation, PPE.
Working fluid is removed from system and stored, or disposed of, in accordance
with legislative requirements and industry practice.
Outcome 2
Clean a hydraulic power system for service.
Evidence requirements
2.1
External contamination is removed in accordance with industry practice.
Range
2.2
tools, equipment, cleaning materials.
Internal contamination is removed in accordance with industry practice.
Range
tools, equipment, cleaning materials.
2.3
Integrity of system and components is maintained.
2.4
Cleaning is inspected and confirmed with supervisor as meeting operational
requirements.
2.5
Waste materials are disposed of in accordance with legislative requirements
and industry practice, and worksite procedures where applicable.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
20599 version 2
Page 3 of 3
Replacement information
This unit standard replaced unit standard 2724.
Planned review date
31 December 2015
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
25 May 2004
31 December 2014
Review
2
18 March 2011
N/A
Accreditation and Moderation Action Plan (AMAP) reference
0013
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (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 granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Consent 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 Competenz qualifications@competenz.org.nz if you wish to suggest
changes to the content of this unit standard.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016