NZQA Expiring unit standard
5431 version 4
Page 1 of 4
Title
Demonstrate knowledge of the brake bonding process, and bond
brake shoes
Level
4
Credits
8
Purpose
This unit standard is for people in the brake engineering
industry. People credited with this unit standard are able to:
demonstrate knowledge of the brake bonding process; select
and prepare the brake components for bonding; and carry out
the brake bonding operation.
Classification
Motor Industry > Vehicle Braking Systems
Available grade
Achieved
Explanatory notes
The following legislation, regulations, and amendments are required to be consulted and
followed where applicable:
–
Health and Safety in Employment Act, 1992
–
Dangerous Goods Act, 1974
–
Transport (Vehicle Standards) Regulations, 1990
–
Guide to Vehicle Standards – Heavy Vehicles, 1993, Land Transport Safety Authority
–
Traffic Regulations, 1976.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of the brake bonding process.
Evidence requirements
1.1
Safety precautions when carrying out bonding are identified.
Range
1.2
wearing protective clothing, brake dust and asbestos hazards,
handling and storing adhesives and solvents, hot surfaces.
Types and grading of brake lining material are identified.
Range
organic materials, metallic materials, woven materials;
edge coding, co-efficient of friction value, lining manufacturer's
cataloguing.
NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
1.3
5431 version 4
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Brake bonding process is described according to bonding equipment
instructions.
Range
determining serviceability of shoe, preparing components, testing
bond cure, applying adhesives, fitting linings, curing, finishing.
Outcome 2
Select and prepare the brake components for bonding.
Evidence requirements
2.1
Safe working practices are observed throughout the task.
Range
2.2
protective clothing, extractor, cleanliness, respirator, face mask,
gloves, fire extinguisher.
Bonding equipment is prepared according to manufacturer's instructions.
Range
curing oven, adhesive applicator, adhesive, bonding lamps, dip
tank cleanliness, shoe pre-dip dilution ratio, adhesive
manufacturer's specifications, pyrometer, thermocouple, protective
equipment.
2.3
Brake shoes selected for bonding are to manufacturer's wear tolerance
specifications.
2.4
Lining material is removed without damage to the shoes.
Range
2.5
Shoes are cleaned and prepared to the requirements of the adhesive
manufacturer.
Range
2.6
grinding, de-riveting, chiselling, debonding oven.
shot blasting, chemical cleaning, burning in oven, rust proofing by
dipping and coating.
Lining material is selected and prepared according to manufacturer's
specifications, and matched to the purpose intended.
Range
reference to manufacturer's charts, obtaining customer's
requirements, extruded, pre-coated.
NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
5431 version 4
Page 3 of 4
Outcome 3
Carry out the brake bonding operation.
Evidence requirements
3.1
Safe working practices are observed throughout the task.
Range
3.2
No dust and dirt is present on the friction material.
Range
3.3
lining positioned on platform, lining to platform contact, jig
clamping pressure, oven curing cycle to temperature and time.
Bond line adherence of a lining meets adhesive manufacturer's shear test
specifications.
Range
3.6
selecting adhesive type, ensuring a uniform adhesive, applying
adhesive pattern, air-drying and force drying procedures,
measuring dry adhesive thickness.
Brake lining is bonded to the platform according to adhesive manufacturer's
instructions and specifications.
Range
3.5
cleaning by: brushing, compressed air.
Adhesive is applied to the lining surface, and curing times adhered to, according
to adhesive manufacturer's instructions.
Range
3.4
protective clothing, extractor, cleanliness, respirator, face mask,
gloves, fire extinguisher handy.
twisting test, chisel test, axial shear test.
Rebonded shoe is radius ground to match drum size according to vehicle
manufacturer's specifications.
Replacement information
This unit standard has been replaced by unit standard
24414 and unit standard 24415.
This unit standard is expiring. Assessment against the standard must take place by
the last date for assessment set out below.
NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
5431 version 4
Page 4 of 4
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
31 October 1995
31 December 2016
Review
2
29 March 1999
31 December 2016
Review
3
25 January 2008
31 December 2016
Rollover
4
19 November 2010
31 December 2016
Accreditation and Moderation Action Plan (AMAP) reference
0014
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.
NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542
 New Zealand Qualifications Authority 2016