Compression Ignition Engine Systems, Components and Operation

Overview

Framework:
RQF
Level:
Level 1
Unit No:
L/600/3299
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 CI engines

Assessment Criteria

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

Assessment Criteria

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

Assessment Criteria

  • 3.1
    State the operating cycles of the 2 and 4 stroke CI engine
  • 3.2
    Give examples of the valve and injection timing requirements for 4 stroke CI engines
  • 3.3
    State how air to fuel ratios differ from SI engines during different situations
  • 3.4
    Identify the constituents of CI exhaust gas emissions and their effects on the environment
4 — Be able to remove and refit a CI engine cylinder head

Assessment Criteria

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