Case CX235C SR Operator's Manual page 205

Draining, changing the oil filter and filling
NOTE: Change the oil while the engine is still warm. The
oil will flow more easily.
Use the extension drain hose from the front boot.
1. Place the machine on flat, level ground. Stop the en-
gine, remove the ignition key then open the hatch un-
der the engine.
2. Raise and lock the engine hood, remove the filling
plug.
3. Remove the protective cap from the engine housing
drain valve.
4. Screw the end of the extension drain hose onto the
engine check valve, place the other end in a container
of suitable capacity and allow the oil to flow out.
5. Remove the extension drain hose and install the pro-
tective cap on the housing check valve. Place the ex-
tension drain hose in the front storage compartment.
6. Clean the area around the filter located in the rear
right-hand compartment, remove it using a filter
wrench.
6 - MAINTENANCE
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MMYFQD-003
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VD9EED-002
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03AE4921