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MAINTENANCE
Use of anything other than genuine MACK filters
may cause damage and may void the engine
warranty. Change filters according to the
recommended maintenance schedule.
Crankcase Ventilation System
The crankcase ventilation (CCV) system
separator is not repairable. If there is apparently
faulty operation, perform these inspections before
replacing the separator.
1. Inspect the separator inlet hose and
connectors at the cylinder head cover and at
the separator. Remove any obstruction, oil
film, residue and particles.
2. Inspect the separator outlet hose and
connector. Remove any obstruction, oil film,
residue and particles.
3. Remove the separator and attempt to turn
the turbine manually. If it does not turn
easily, replace the separator.
4. If the turbine turns easily, inspect the oil jet
nozzle. Remove any obstruction and clean
the nozzle.
5. Reassemble the separator and the hoses.
6. If faulty operation continues, replace the
separator.
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