MTU 12V4000C*5 series, Operating Instructions Manual

Page: 216 / 305

Centrifugal oil filter, cleaning
and filter-sleeve replacement on
12V engines
1. Release screw (1) and remove.
2. Remove clamp (3) and take off hood (2).
3. Carefully remove rotor assembly (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. Take off filter sleeve (9), stiffener plate (10 )
and sealing ring (11).
7. Measure thickness of oil residue 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 out cover (2), rotor cap (8), stiffener
plate (10), stand pipe (12), base (13) and noz-
zles (14) with cleaner and blow out with com-
pressed air. Do not use sharp objects for
cleaning.
11. Check nozzles (14) for obstructions.
12. Press standpipe (12) onto rotor lower sec-
tion (13).
13. Insert new filter sleeve (9) with stiffener
plate (10) into rotor cap (8), ensuring that
smooth surface of filter sleeve (9) faces rotor
cap (8).
14. Check sealing ring (11), replace if necessary.
Coat sealing ring with grease 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 assembly (5), in-
sert into housing (6) and check for ease of
movement.
18. Check sealing ring (4), replace if necessary.
Fit sealing ring on housing (6).
19. Fit hood (2).
20. Tighten screw (1) by hand.
21. Install clamp (3) and tighten to specified torque using a torque wrench:
Name Size Type Lubricant Value/Standard
Clamp Tightening torque 8 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
214 | Oil Filtration / Cooling | MS15041/03E 2018-08
TIM-ID: 0000071290 - 002