Operating instructions
Table Of Contents
- 1 Introduction
- 2 General Description
- 3 Special Tools and Equipment
- 4 Disassembly
- 5 Cleaning, Repair and Replacement
- 6 Inspection
- Definitions
- Magnetic Particle Inspection
- Critical New Part Dimensions
- Fluorescent Particle Inspection
- Dimensional Inspection
- Protective Coatings
- Crankcase Inspection
- Crankshaft Inspection
- Camshaft Inspection
- Connecting Rod Inspection
- Gear Inspection
- Piston Inspection
- Cylinder Inspection
- Inspection Chart
- Crankcase Stud Heights
- Mag Particle Inspection Procedures
- Table of Limits
- Torque Specifications
- General Torques
- Table of Limits Chart
- 7 Assembly of Subassemblies
- 8 Final Assembly and Test
- 9 IO-520-M
- 10 IO-520-BB, CB and MB
4-24
FIGURE 4-20. CYLINDER.
1. Screw, Fillister Head 16. Washer 31. Spring, Valve, Inner
2. Washer, Lock 17. Packing 32. Retainer, Inner
3. Washer, Plain 18. Nut, Flanged 33. Valve, Intake
4. Cover, Valve Rocker 19. Nut, Flanged 34. Valve, Exhaust
5. Gasket 20. Pin and Plug Assembly 35. Insert
6. Screw 21. Piston 36. Insert
7. Washer, Plain 22. Ring, Compression 37. Stud
8. Shaft, Valve Rocker 23. Ring, Compression 38. Guide, Valve
9. Screw, Drive 24. Ring, Oil Control 39. Head and Barrel Assy.
10. Bushing 25. Ring, Scraper 40. Nut, Brass
11. Rocker, Valve 26. Packing 41. Gasket, Exhaust, Flange
12. Washer, Thrust 27. Key, Retainer 42. Ring, Retaining
13. Push .Rod Assembly 28. Roto Coil Assembly 43. Valve Lifter
14. Housing 29. Retainer, Intake 44. Insert, Intake Valve
15. Spring 30. Spring, Valve, Outer. 45. Insert, Exhaust Valve