1936 EL Oil Pump exploded view in the spirit of later documented service manuals. Some drawings of this oil pump can be seen underUS patent 2,111,242 design by the legendary William S. Harley ...

1. Mounting Studs (long) 4 pc.
2.Cover Nut and washer 4 pc.
3. Oil Pump cover
4. Cover gasket
5. Drive gear lock ring
6. Drive gear (Scavenger))
7. Drive Gear Key
8. Idler Gear (Scavenger)
9. Idler Gears Shaft
10. Oil Pump Body
10A. Body Dowel Pin 2 pc.
11. Oil Pump Drive Shaft
12. Drive Gear (Oil Feed)
13. Drive Gear Key
14. Idler Gear (Oil Feed )
15. By-Pass Valve plug
16. By-Pass Max Pressure Adjust.
17. By-Pass Valve Spring
18. By-Pass Valve Ball
19. Check Valve plug
20. Check Valve Spring
21. Check Valve Ball
22. Chain Oiler Adjusting Screw
23. Chain Oiler Adjusting Screw Washer
24. Oil Line Nipple (Oil Out)
25. Oil Line Nipple (Oil In)
26. Body Gasket
27. Oil Pump Main Drive Gear Key
28. Oil Pump Main Drive Gear Key Lock ring
29. Mounting Studs (Short) 2 pc.
30. Nut and washer 2 pc.

Note:
Item 12 and 14 are feed gears.1/4" width,
Item 6 and 8 are Scavenger gears, 1/2" width,

Harley Davidson 1936 Knucklehead Oil Pump Exploded View

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