MTU 12 V 4000 M23F Operating Instructions Manual page 228

Centrifugal oil filter – Cleaning
and filter sleeve replacement
1. Remove clamp (14).
2. Release Tommy nut (2) and take off cov-
er (1).
3. Carefully lift rotor (11), allow oil to drain
and remove from housing.
4. Holding the rotor (11) firmly, release rotor
cover nut (3).
5. Take off rotor cover (4).
6. Remove filter sleeve (6).
7. Measure layer thickness of oil residues on
filter sleeve (6).
Result: If the oil residues exceed the maximum lay-
er thickness of 45 mm, shorten the mainte-
nance interval.
8. Disassemble rotor tube (7), conical disk (8)
and rotor base (10).
9. Wash rotor cover (4), rotor tube (7), conical
disk (8) and rotor base (10) with cold
cleaner.
10. Blow out with compressed air.
11. Check sealing ring (9), fit new one if neces-
sary.
12. Assemble rotor tube (7), conical disk (8)
and rotor base (10) with sealing ring (9).
13. Insert new filter sleeve (6) in rotor tube (7)
with the smooth paper surface facing the
outer wall.
14. Check sealing ring (5), fit new one if neces-
sary.
15. Mount rotor cover (4) with sealing ring (5).
16. Tighten rotor cover nut (3) with torque wrench to the specified torque.
Name
Nut
17. Place rotor (11) in housing (12) and check for ease of movement.
18. Check sealing ring (13), fit new one if necessary.
19. Fit sealing ring (13) on housing (12).
20. Fit hood (1).
21. Tighten Tommy nut (2) by hand.
22. Install clamp (14) and tighten with torque wrench to the specified torque.
Name
Clamp
23. Tighten cover nut (2) with torque wrench to the specified torque.
Name
Screw
228 | Task Description | MS150068/01E 2014-01
Size Type
Tightening torque
Size Type
Tightening torque
Size Type
Tightening torque
Lubricant Value/Standard
35 Nm to 45 Nm
Lubricant Value/Standard
8 Nm to 10 Nm
Lubricant Value/Standard
5 Nm to 7 Nm