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Lubrication Systems

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This chapter covers the critical role of oil in engine lubrication systems, detailing its functions and the consequences of oil deficiency. It discusses oil viscosity, specifically SAE ratings like 10W-30, and the importance of API ratings for engine compatibility. Proper oil change procedures, including draining, filtering, and filling, are emphasized to maintain engine health. Additionally, the chapter provides guidelines for checking transaxle and differential fluids, ensuring a comprehensive understanding of vehicle maintenance.

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Lubrication Systems

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Presentation Transcript

  1. Lubrication Systems Chapter 12 Page 143

  2. Oil and It’s Route

  3. Lack of Oil Damage

  4. Oil’s Function

  5. Engine Sump

  6. Viscosity

  7. Oil Additives

  8. What’s the Numbers About? • SAE 10W-30 • SAE= Society of Engineers • 10= Viscosity measured at 0 degrees • W= Winter grade oil • 30= viscosity measured at 212 degrees

  9. API Rating • API=American Petroleum Institute • Rating progress from SA through SJ (s=spark ignition) • Diesel engines are rated with a “C” (compression) designation • These designations tell us what additive level is in the oil-Government regulated-2004= SJ or CF is mandatory. • Changing brand names of oil will not make a difference, As long as the API numbers are the same.

  10. The Oil/Temp Usage Chart

  11. Changing Oil

  12. Changing Oil (Drain)

  13. Changing Oil (Filter)

  14. Changing Oil (Filling)

  15. Changing Oil (Level Check)

  16. Oil Filter Inside Element Lube the Seal

  17. Important Information • Make sure you have the right filter before the job • Oil can be hot when draining • Check condition of draining oil, feel, smell, etc. • Check plug gasket • Make sure oil filter gasket comes off with filter • Clean up any spills • Replace plug • Lube filter seal • Spin on filter until it stops then an additional ¾ to 1 turn • Fill engine, start, verify oil pressure, shut down, check for leaks • Finish up job, clean area, oil sticker, etc.

  18. Checking Transaxle and Differential Fluid

  19. Checking Transaxle and Differential Fluid

  20. Your Job. • Complete questions 1-10(review) and ASE style questions 1-10. Page 152-153. • Write on a separate paper and write out the complete question and your answer. ( do not write the other answer options). • Complete the chapter worksheet (I will give it out). You may write on it. • File both items in your note book. • Notebooks will be graded in the future.

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