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

Unit Learning Outcomes

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