1 / 19

Lubrication

Lubrication. Lubrication: The process of reducing friction between moving surfaces. Friction: Resistance created when one surface rubs on another Slows movement of parts Generates heat Increases wear Events: particles - expansion - seizure. Lubrication. Forms of lubricants

adamdaniel
Télécharger la présentation

Lubrication

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Lubrication • Lubrication: • The process of reducing friction between moving surfaces • Friction: • Resistance created • when one surface • rubs on another • Slows movement of parts • Generates heat • Increases wear • Events: particles - expansion - seizure

  2. Lubrication • Forms of lubricants • Dry (powder) • Semi dry (grease) • Viscous (oil) • Function of engine oil • Lubricate • Clean • Cool • Cushion • Seal

  3. Lubrication • SAE Society of Automotive Engineers • Viscosity The ability of liquid to resist flowing • SAE Index / Viscosity Index • Listing of viscosities • Examples of viscosities (weights) • 10w 20w 30w 40w 50w 60w 80-90w • 5w30 10w30 10w40 20w50

  4. Lubrication • SAE Viscosity / Grade 5W30 and 30

  5. Lubrication • SAE Viscosity / Grade 5W30 and 10W30

  6. LUBRICATION • A.P.I. • American Petroleum Institute • Service index • List of ratings determining oil application (SJ) • Service manual / oil application / climate • Oil additives improve oil performance • Detergents • Anti-rust / Anti-corrosion • Oxidation inhibitors • Anti-foam • Dispersant

  7. LUBRICATION • A.P.I. American Petroleum Institute • Service index • List of ratings determining oil application (SJ)

  8. LUBRICATION • Types of lubricating systems • Four cycle systems reuse oil • Two cycle systems burn oil with fuel • Two and Four cycle systems oils CAN NOT be interchanged

  9. LUBRICATION Four cycle lubricating systems • Splash dipper

  10. LUBRICATION Four cycle lubricating systems • Splash dipper

  11. LUBRICATION • Four cycle lubricating systems • Splash Paddle Wheel

  12. LUBRICATION Four cycle lubricating systems • Barrel Pump

  13. LUBRICATION Four cycle lubricating systems • Barrel Pump

  14. LUBRICATION • Four cycle lubricating systems • Positive displacement Pump

  15. LUBRICATION • Four cycle lubricating systems • Full flow system • Positive displacement Pump

  16. LUBRICATION • Two cycle lubricating systems (Total loss) • Premix gas and oil • Oil injection

  17. LUBRICATION • Two cycle lubricating mixtures • Mixture ratio - amount of gasoline to oil • Examples: 16:1 32:1 40:1 50:1

  18. LUBRICATION • How oil gets dirty. • Blow – by gasses • Particles from engine parts • Dirt from checking oil levels

  19. LUBRICATION • Changing engine oil and filter • To reduce wear • Cars 3 mos. or 3000mi. • Small engines 30 – 50 hrs. or each season

More Related