OM-C3 11/21
35
Service and Maintenance - 250 Hour
SP12. Replace Crankcase Vent Filter
1. Remove screws (A) and remove the crankcase vent lid.
2. Remove old filter and discard.
3. Install new filter into crankcase vent housing and snap
into place.
4. Install lid and lock down screws.
SP13. Checking Closed Crankcase Vent System
1. Inspect hoses (A, B and C, upper right) and oil drain
line (D, below right) for kinks, blockage, or other damage.
2. Inspect crankcase fitting (E, below right) for damage
and make sure it is not plugged.
3. Verify that the crankcase vent system bypass port (E,
below right ) is not plugged.
4. Inspect turbocharger compressor coupling for cracks,
blockage or other damage
Location of hoses on crankcase. A - compressor to filter
housing. B- rocker arm cover to filter housing. C - oil drain
Location of oil drain hose (C), oil drain line (D) and bypass
port (E) - crankcase