Automotive Training


    Vehicle Inspector (RBM1-1)

    Quick Facts
    Course ID: RBM1-1
    Duration: 1 Day

    Detailed description of the AECS COF-B Roller Brake Tester Inspection training.

    This training is aimed at Vehicle inspectors (CoF and WoF). The training is specifically designed for CoF B (heavy goods vehicles) vehicle inspectors, but is very useful for Cof-A and WoF inspectors. The content deals with brake and stability engineering principles in a manner that makes even the most experienced operator of any brand roller brake tester, look at the results produced by their equipment, in a very much more professional manner.

    This training is also recognised as part of the Mito Vehicle Inspector CoF B education. In this two day seminar, we take scantool use to the next level.

    The Course is written around the AECS Ltd supplied CoF brake testers, but is not limited to any other brand brake tester.

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    This course covers:

    • Understanding the principles of a roller brake tester.
    • What is actually measured on a RBM, when lock up occurs and when no lock up occurs.

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    • What factors affect the RBM test results.
    • What is grip, the engineering principles explained in simple terms.

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    • What is the effect of weight and grip on a brake force measured and how does this affect calculated brake efficiency.
    • How does brake efficiency relate back to legal minimum deceleration rate.

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    • What needs to happen with the brake force, when lock up occurs on the road to regain grip again (ABS/EBS/ESP).
    • Which factors (e.g. roller surface, rubber compound tyres, etc) affect grip on the road and on the RBM.

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    • How does the RBM measure brake force, and when is the maximum recorded laden brake force not the maximum brake ability of the vehicle.
    • What is the sense of measuring dynamic weight during a brake test, and how is it measured.
    • What is the effect of brake imbalance on RBM results and vehicle direction on the road.

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    • Which factors affect brake imbalance (e.g. unequal tyres, tyre pressure, lading, etc.).
    • The ins and outs of brake efficiency, legal terms and engineering principles.
    • RBM Approvals and RBM calibration, what does it mean for the inspector.
    • How to operate an RBM correctly step by step.
    • Hydraulic pull down, limits, principles and pitfalls.

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    • Brake test results interpretation.
    • Identification of different HD brake systems.
    • Common faults in brake systems.

    The course will be theory and practical (actual testing of vehicles). The practical part will be done at a pace to enable you to digest all of what is happening, with the theory in mind. Something that work pressures usually do not allow in the workshop.
    However, when the experience gained during this seminar has settled, the results read from the equipment in the workshop at “workshop pace” will be understood far better.

    The Vehicle Inspector can use his/her own brake tester, or a Brake Tester on our training centre (e.g. VTEQ) can be used.

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