Case CX235C SR Operator's Manual page 206

7. Coat the seal of the new filter with a fine film of oil.
8. Install the new filter. Turn the filter until the seal comes
into contact with the filter head then tighten an extra
half turn by hand.
ATTENTION: Do not use a filter wrench to tighten the
filter. Excessive tightening can damage the filter and
their seals.
9. Fill the engine with new engine oil. Install the filling
plug.
10. Run the engine for a few minutes and check that there
are no leaks. Check the level again and top up if
necessary.
NOTICE: Always wait fifteen minutes to allow the oil
to return to the sump before checking the oil level.
6 - MAINTENANCE
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