Replace valve stem seals
Remove
1. |
Remove camshaft housing
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2. |
Remove roller cam follower with hydraulic valve lifter
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3. |
Remove 2 x camshaft housing centring pins (1)
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4. |
Attach MKM-6086
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Adjust 2 supports MKM-6086-6 1
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Set support heads on outside of support feet
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• |
Slide joint MKM-6086-8 (2) onto
mounting shaft MKM-6086-4 (3)
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Slide 2 supports MKM-6086-6 onto the
mounting shaft MKM-6086-4
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• |
Attach both supports with the mounting shaft to the cylinder
head
Important: Note screw length of
blind hole thread
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– |
Screw in 4 bolts
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Important: Note screw length of
blind hole thread
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5. |
Attach EN-46782 together with EN-46783 (2) and MKM-6086-17 (1) to cylinder 1
• |
Fit EN-46782 with gasket and injector
(4) on cylinder 2
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6. |
Attach lever arm
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Attach lever arm MKM-6086-7 (3)
together with adapter MKM-6086-12 (2) and
removal head MKM-6086-11 (4) to joint
MKM-6086-8 (1)
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Important: Check that compressed
air is being applied
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7. |
Remove 2 cylinder no.1 intake valve springs
Important: Removal head must be
vertically above the valve stem
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• |
Carefully push valve spring down with lever arm MKM-6086-7
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• |
Remove 2 split cotters (arrow)
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• |
Remove valve heads and valve springs
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8. |
Replace 2x valve stem seals
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Detach using KM-840 (1)
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• |
Attach new valve stem seal (3) to valve stem (2)
Note: Moisten new valve
stem seals with oil.
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• |
Using EN-46779 (4), drive in as far
as the stop
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9. |
Complete the assembly head MKM-6086-100-1
Note: Follow
manufacturer's instructions.
• |
Assemble the assembly head, which consists of a mount (1),
securing sleeve (2), thrust piece MKM-6086-13 (3), spring (4), screwed connection (5)
and lever mount MKM-6086-12 (6)
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10. |
Install 2 intake valve springs, cylinder 1
• |
Insert valve springs and caps
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• |
Insert valve keepers in assembly head MKM-6086-100-1 (1)
Important: Insert valve keepers
with taper facing the valve.
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– |
Slide clamping sleeve (2) in direction of lever arm mount
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– |
Push clamping sleeve towards valve
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• |
Attach assembly head to lever arm
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Important: Check that compressed
air is being applied
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11. |
Install valve keepers
Important: Assembly head (1) must
be vertically above the valve stem. Valve keepers (2) must engage
audibly.
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• |
Carefully push valve springs downwards (arrow)
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Important: Do not make 2nd
attempt without checking that both valve keepers are in the
assembly head.
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• |
Check seat of valve keepers (2)
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12. |
Attach removal head MKM-6086-11 to
adapter MKM-6086-12 .
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13. |
Mount adapter (1) on hole (2)
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14. |
Remove 2 valve springs from cylinder 1 exhaust valve
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15. |
Replace valve stem seal
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16. |
Attach removal head MKM-6086-100-1 to
adapter MKM-6086-12 .
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17. |
Install 2 valve springs to cylinder 1 exhaust valve
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18. |
Attach EN-46783 to cylinder 2
• |
Interrupt compressed air feed
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• |
Remove EN-46782 with injector from
cylinder 2
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• |
Install EN-46782 in cylinder 2
– |
Insert cylinder 1 with injector
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• |
Apply compressed air to cylinder 2
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19. |
Remove 2 valve springs from cylinder 1 exhaust valve
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20. |
Replace valve stem seal
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21. |
Install 2 valve springs to cylinder 1 exhaust valve
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23. |
Remove 2 valve springs from cylinder 2 intake valve
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24. |
Replace valve stem seal
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25. |
Install 2 valve springs in cylinder 2 intake valve
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26. |
Attach EN-46783 to cylinder 3
• |
Interrupt compressed air feed
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Important: Note screw length of
blind hole thread
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• |
Remove EN-46782 with injector from
cylinder 1
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• |
Install EN-46782 with gasket in
cylinder 3
– |
Insert in cylinder 4 together with injector
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• |
Apply compressed air to cylinder 3
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27. |
Remove 2 valve springs from cylinder3 intake valve
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28. |
Replace valve stem seal
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29. |
Install 2 valve springs in cylinder 3 intake valve
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31. |
Remove 2 valve springs from cylinder 3 exhaust valve
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32. |
Replace valve stem seal
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33. |
Install 2 valve springs to cylinder 3 exhaust valve
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34. |
Attach EN-46783 to cylinder 4
• |
Interrupt compressed air feed
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• |
Remove EN-46782 with injector from
cylinder 4
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• |
Install EN-46782 in 4th cylinder
– |
Insert cylinder 3 with injector
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• |
Apply compressed air to cylinder 4
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35. |
Remove 2 valve springs from cylinder 4 exhaust valve
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36. |
Replace valve stem seal
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37. |
Install 2 valve springs to cylinder 4 exhaust valve
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39. |
Remove 2 valve springs from cylinder 4 intake valve
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40. |
Replace valve stem seal
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41. |
Install 2 valve springs in cylinder 4 intake valve
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42. |
Remove EN-46783 from cylinder 4
• |
Interrupt compressed air feed
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• |
Remove EN-46782 with injector from
cylinder 3
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Install
44. |
Insert 2 camshaft housing centring pins
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45. |
Install roller cam follower with hydraulic valve lifter
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46. |
Install camshaft housing
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