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

4-11
FIGURE 4-9 OIL SUMP (STAMPED ALUMINUM SHEET METAL IO-520-A,C,D,E,F & K)
1. Plug, Oil Drain 7. Gasket, Oil sump 13. Bolt.
2. Gasket, Annular 8. Screw 14. Washer, Special
3. Screw 9. Screw 15. Nut
4. Washer, Lock 10. Washer, Plain 16. Gasket, Annular
5. Washer, Plain 11. Tube Assembly 17. Tube Assembly
6. Sump Assembly, Oil 12. Gasket