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

Unit Learning Outcomes

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