MTU 12V4000C Series Operating Instructions Manual page 115

Centrifugal oil filter – Cleaning
and filter-sleeve replacement
1. Release screw (1) and remove.
2. Remove clamp (3) and take off cover (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. Remove filter sleeve (9), stiffener plate (10)
and sealing ring (11).
7. Measure thickness of oil residue on filter
sleeve.
8. If maximum layer thickness of oil residues ex-
ceeds 30 mm, shorten maintenance interval.
9. Remove standpipe (12) from lower rotor sec-
tion (13).
10. Wash cover (2), rotor cap (8), stiffener
plate, (10) standpipe (12), rotor lower sec-
tion (13) and nozzles (14) with cold cleaner
and blow out with compressed air. Do not
use sharp-edged objects for cleaning.
11. Check nozzles (14) for obstructions.
12. Push standpipe (12) onto lower rotor 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 assembly compound
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 cover (2).
20. Tighten screw (1) by hand.
21. Install clamp (3) and use torque wrench to tighten to specified tightening torque.
Name
Clamp
22. Use torque wrench to ighten screw (1) to specified tightening torque.
Name
Screw
Size Type
Tightening torque
Size Type
Tightening torque
MS150049/04E 2017-04 | Oil Filtration / Cooling | 115
Lubricant Value/Standard
6 Nm +1 Nm
Lubricant Value/Standard
6 Nm +1 Nm