Yanmar 3JH3E - 3. Disassembly, Reassembly and Inspection of Fuel Injection pump

Chapter 3 Fuel Injection Equipment
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3. Disassembly, Reassembly and Inspection of
Fuel Injection Pump
~30
31 @--29
@)-2a
37
1. Fuel pump unit
2. Delivery valve retainer stop
3. Delivery valve retainer
4. Delivery valve stopper
5. Delivery valve spring
6. Delivery valve assembly
7. Delivery valve
8. Delivery valve seat
9. Plunger assembly
10. Plunger barrel
11. Plunger
12. Fuel pump camshaft
13. Bearing
14. Bearing
15. Bearing holder
33
16. ·'oi! seal
17. Adjusting packing (shim)
18. Tappet stopper
19. Tappet assembly
20. Pin
21. Roller guide
22. Roller (outer)
23. Roller (inner)
24. Adjusting shim
25. Adjusting bolt
26.
Plunger spring rest 8
27. Plunger spring
28. Plunger spring rest A
29. Control sleeve (reduction ring)
30. Control pinion B
12
31 . Stop screw
32. Aux. spring
33. Control rack stopper
34. Plunger barrel stopper
15
35. Deflector
36.
Pump side cover
37. Pump
bonom cover
NOTE : 1. Some models are equipped with ball bearings
and some with taper roller bearings.
3-14
2. * Oil seal : Some models are equipped with oil
seals and some are not. The shape of the
bearing holder differs for models with
and with-
out oil seals.
Printed in Japan
HINSHI-H8009