Spark Ignition Engine Systems, Components and Operation

Overview

Framework:
RQF
Level:
Level 1
Unit No:
J/600/3298
Credits:
4
Guided learning hours:
30 hours

Assessment Guidance

N/A

For the full unit details, please download the latest version of the qualification specification. This is available for download on the relevant qualifications page.

Unit Learning Outcomes

To view the assessment criteria and any additional content, please expand the relevant learning outcome below.

1 — Be able to work safely on SI engines

Assessment Criteria

  • 1.1
    Use appropriate Personal Protective Equipment and Vehicle Protective Equipment when working on SI engines
  • 1.2
    Use appropriate and safe working practices when working on SI engine mechanical systems
2 — Know SI engine systems and components

Assessment Criteria

  • 2.1
    Identify the main components used in SI engines
  • 2.2
    State the purpose of the main components used in SI engines
  • 2.3
    Outline the purpose of the main systems used in SI engines
3 — Understand how SI engines operate

Assessment Criteria

  • 3.1
    State the operating cycle of the 2 and 4 stroke SI engines
  • 3.2
    Give examples of the valve and ignition timing requirements for 4 stroke SI engines
  • 3.3
    State the correct air/fuel mixture and for SI engines during different situations
  • 3.4
    Identify the constituents of SI exhaust gas emissions and their effects on the environment.
4 — Be able to safely and correctly carryout routine SI engine maintenance

Assessment Criteria

  • 4.1
    Select the correct technical data for SI engine maintenance
  • 4.2
    Demonstrate the correct procedures when removing and refitting an SI engine cylinder head from a fully equipped non running stand engine
  • 4.3
    Demonstrate the correct procedures for reinstating the engine and vehicle after SI engine maintenance