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Title / Prepare to clean out, and clean out a brass tank vehicle or machine radiator assembly
Level / 3 / Credits / 6
Purpose / This unit standard is for people who work in the radiator repair industry. People credited with this unit standard are able to prepare to clean out, and clean out, a brass tank vehicle or machine radiator assembly.
Classification / Motor Industry > Automotive Radiator Repair
Available grade / Achieved, Merit, and Excellence
Guidance Information
1Legislation relevant to this unit standard includes but is not limited to – Health and Safety in Employment Act 1992, Resource Management Act 1991, Lead Process Regulations 1950.
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.
3Recommended entry information: Unit 24453, Inspect, test and rectify faults in a vehicle or machine radiator.
Outcomes and performance criteria
Outcome 1
Prepare to clean out a brass tank vehicle or machine radiator assembly.
Performance criteria
1.1Suitable tools and equipment are selected and used to prepare the radiator in accordance with company requirements.
1.2Radiator is inspected and defects noted in accordance with company requirements.
Rangeaccident damage, stone damage, corrosion, cracks, wear and tear.
1.3Radiator is tested, and the viability of clean out is determined in accordance with company requirements.
1.4Safe working practices are observed throughout the task in accordance with legislative requirements.
Rangepersonal safety, safety of others, vehicle or machine safety, workshop safety, environmental safety, tools and equipment safety.
Outcome 2
Clean out a brass tank vehicle or machine radiator assembly.
Performance criteria
2.1Suitable tools and equipment are selected and used that will enable the radiator to be stripped and cleaned in accordance with company requirements.
2.2Radiator is secured in holding jig, and positions and angles marked, in accordance with company requirements.
2.3Radiator is dismantled, and parts marked and stored securely, in accordance with company requirements.
Rangemay include but is not limited to – tanks, side bands, inlet and outlet pipes, filler neck, fan guard, oil cooler, overflow pipe, sensors, heat sensitive components.
2.4Header plate recess is cleaned in accordance with company requirements.
Rangemelting solder, removing excess solder, wire brushing.
2.5End tubes are cleaned in accordance with company requirements.
Rangemelting solder; removing dirt and excess solder; cleaning, tinning and soldering-off end tubes; cutting out and soldering-off end tubes at opposite end.
2.6Header plate is acid-dipped in accordance with company requirements.
Rangereheating recess, submersing heater plate in acid bath, draining excess acid.
2.7Tanks and components are cleaned in accordance with company requirements.
Rangebead blaster, acid bath.
2.8Radiator assembly is cleaned in accordance with company requirements.
Rangemay include but is not limited to – flow testing core, determining any blockages, rodding out, flushing, compressed air, wire brushing.
2.9Brass tanks are repaired, refitted and tested in accordance with company requirements.
Rangemay include but is not limited to – damage repairs, silver-soldering, tinning and resoldering, pressure testing.
2.10Final preparation of the radiator assembly is carried out in accordance with company requirements.
Rangemay include but is not limited to – cleaning off residual flux, wire brushing, flushing, cleaning out oil cooler, cleaning off loose solder, straightening fins, labelling, drying, painting.
2.11Tools, materials and equipment are cleaned and put away in their places, and the work area is clean in accordance with company requirements.
2.12Safe working practices are observed throughout the task in accordance with legislative requirements.
Rangepersonal safety, safety of others, vehicle or machine safety, workshop safety, environmental safety, tools and equipment safety.
Replacement information / This unit standard, unit standard 24453, unit standard 24454, and unit standard 24455 replaced unit standard 7003, unit standard 7005, and unit standard 7011.This unit standard is expiring. Assessment against the standard must take place by the last date for assessment set out below.
Status information and last date for assessment for superseded versions
Process / Version / Date / Last Date for AssessmentRegistration / 1 / 25 January 2008 / 31 December 2020
Review / 2 / 26 April 2018 / 31 December 2020
Consent and Moderation Requirements (CMR) reference / 0014
This CMR can be accessed at
MITO New Zealand IncorporatedSSB Code 101542 / New Zealand Qualifications Authority 2018