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Engine Components Chapter #6. Engine Block Crankshaft Forged or cast One piece or multi Coverts reciprocal motion to rotary.

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Presentation on theme: "Engine Components Chapter #6. Engine Block Crankshaft Forged or cast One piece or multi Coverts reciprocal motion to rotary."— Presentation transcript:

1 Engine Components Chapter #6

2 Engine Block

3

4 Crankshaft Forged or cast One piece or multi Coverts reciprocal motion to rotary

5 Multi-piece Crankshaft

6 Crankshaft Main Bearings

7 Crankcase seals

8

9 Piston Construction One to four grooves

10 Cam-Ground Pistons Elliptical (oval) shape

11 Piston Thrust Surfaces

12 Piston Head Size Clearance a few thousands of an inch.

13 Piston Head Shape

14

15 Piston Rings

16

17 Piston Ring Types

18 Compression Oil Control

19 Piston Pin Floating Press-fit

20

21 Connecting Rods and Bearings Connecting rods

22 Friction-type Bearings

23 Antifriction Bearings

24 Intake and Exhaust Ports 2-Stroke – Ports

25 2-Cycle – Reed Valves

26 2-Cycle – Reed Valves

27 2-Stroke – Rotary Valve, page 124

28 2-Stroke – Rotary Valves

29 4-Cycle – Poppet Valves OHV Side Valve

30 Valve Spring Assembly

31 Camshaft and Gears

32

33 Valve Lifter or Tappet

34 Valve Train Configurations Valve in block Overhead Valve – OHV Overhead Cam

35 Valve in Block

36 OHV

37 OHC

38 Starter Assembly

39 Automatic Compression 600 RPM flyweights retract tabs

40 Flywheel

41


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