MTU 12V4000M*3 series, Operating Instructions Manual

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Cleaning centrifugal oil filter
and replacing filter sleeve (en-
gines with switchable oil filter)
1. Undo and remove screw (1).
2. Remove clamp (3) and take off hood (2).
3. Carefully remove rotor (5) from housing.
4. Hold rotor assembly (5) firmly in position with
filter wrench and undo knurled nut (7).
5. Take off rotor cap (8).
6. Remove filter sleeve (9), stiffener plate (10)
and sealing ring (11).
7. Measure thickness of oil residues on filter
sleeve.
8. Shorten maintenance interval if maximum
layer thickness of oil residues ex-
ceeds 30 mm.
9. Remove standpipe (12) from lower rotor sec-
tion (13).
10. Wash hood (2), rotor cap (8), stiffener
plate (10), standpipe (12), lower rotor sec-
tion (13) and nozzles (14) with cleaner and
blow out with compressed air. Do not use
sharp objects for cleaning.
11. Check nozzles (14) for obstructions.
12. Push standpipe (12) onto rotor lower sec-
tion (13).
13. Insert new filter sleeve (9) with stiffener
plate (10) into rotor cap (8), ensuring that the
smooth surface of the filter sleeve (9) faces
the rotor cap (8).
14. Check sealing ring (11), replace as necessa-
ry. Coat sealing ring with assembly com-
pound and insert in groove of rotor cap (8).
15. Place rotor cap (8) onto standpipe (12).
16. Hold rotor assembly (5) firmly in position with
filter wrench and tighten knurled nut (7).
17. Lubricate bearings of rotor (5), insert in hous-
ing (6) and check for ease of movement.
18. Check sealing ring (4), replace as necessary.
Fit sealing ring on housing (6).
19. Fit hood (2).
20. Tighten screw (1) by hand.
21. Install clamp (3) and use torque wrench to tighten to specified tightening torque.
Name Size Type Lubricant Value/Standard
Clamp Tightening torque 8 Nm to 9 Nm
22. Tighten screw (1) to specified torque using a torque wrench.
Name Size Type Lubricant Value/Standard
Screw Tightening torque 5 Nm to 7 Nm
224 | Oil Filtration / Cooling | MS15035/00E 2018-08
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