252 CRANKCASE, C RAN KSHAFT, AND CAMSHAFT
1. Camshaft gear assembly
2. Bolt, M8 x 20 (2)
3. Camshaft thrust plate
4. Key, 1/2 x 1/2
5. Roller tappet assembly (12)
6. Roller tappet guide (6)
7. Camshaft
8. Front camshaft bushing
9. Intermediate camshaft bushings
(2)
10. Rear camshaft bushing
11. Camshaft seal ring, rear
12. O-ring, #214
13. Breather assembly
14. Hose, 1 in. I.D.
15. Clamp, 1 in. diameter (2)
16. Bolt, M8 x 35 (2)
17. Clamp, 1/2 in. diameter (3)
18. Vent and drain tube assembly
19. Nut, M10
20. Reducer hose
21. Check valve
22. Clamp (3)
23. Rubber elbow
24. Bolt, M8 x 16
25. Drain hose elbow
26. Oil level gauge assembly (Figure
361)
27. Fitting assembly, M12
28. O-ring seal
29. Main bearing, upper (#7 thrust)
30. Crankcase ladder (DT 570 >300
bhp)
31. Bolt, M10 x 25 (10)
32. Bolt, M12 x 35 (14)
33. Bearing cap bolt, M15 x 162 (14)
34. Spacer (14)
35. Main bearing cap (7)
36. Main bearing, lower (7)
37. Oil pump drive (spline)
38. Crankshaft gear
39. Crankshaft
40. Main bearing, upper (6)
41. Tee assembly, M12
42. Bolt, piston cooling tube (6)
43. Piston cooling tube assembly (6)
(see “Power Cylinders”)
44. Block heater assembly (option)
45. Slotted pin, 5/32 x 5/16
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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