Case 2050M Operator's Manual page 236

5. The hydraulic reservoir drain is located in the upper
right hand side of the access compartment.
NOTE: A drain hose is included on machines equippedwith the environmental drain option.
6. Open the hydraulic reservoir drain, and drain the oil into
a suitable container.
7. After oil has completely drained, close the drain, and
replace the access cover.
8. Remove and replace the hydraulic oil filter (1). Turn the
filter counterclockwise to remove.
9. Clean the contact surface on the filter head. Make sure
that all dirt and gasket material has been removed.
10. Apply a thin coat of clean oil to the hydraulic oil gasket
and threads.
11. Install and tighten the filter firmly to the filter head by
hand. Do not use a filter wrench to tighten the filter.
12. Remove the bolts and the cover from the right rear
access panel.
7 - MAINTENANCE
7-80
3
RAIL12DOZ0378AA
4
RAIL13DOZ1699AA
5
RAIL12DOZ0177AA