
SEBU8213-04 123
Maintenance Section
Hydraulic System Oil Filter - Replace
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Hydraulic System Oil Fi lter -
Replace
SMCS Code: 5068
Note: The Hystat transmission and the hydraulic
systemuseacommontank.
1. Two hydraulic filters are located on the left side
of the machine. Open the access door on the left
side of the m
achine.
g01260638
Illustration 177
2. Remove both filter elements with a strap type
wrench.
3. Clean the filter element mounting bases. Remove
any part of the filter element gasket that remains
on the filter element mounting bases.
4. Apply a light coat of oil to the gasket of the new
filter elements.
5. Install the new filter elements by hand.
Note: Instructions for the installation of the filters are
printed on the side of each Caterpillar spin-on filter.
For non-Caterpillar filters, refer to the installation
instructions that are provided by the supplier of the
filter.
6. Close the access door on the left side of the
machine.
g01400117
Illustration 178
(1) F ull mark
(2) “Ad d ” mark
7. View the sight gauge through the slot above the
rear access door on the back of the machine.
Maintain the hydraulic oil level above the “ADD”
mark (2) on the sight gauge. Add oil, if necessary.
g0170
1714
Illustration 179
New location of sight gauge
8. Open
the right rear access door.
g01701774
Illustration 180
Right side view of new tank
(1) F ull mark
(2) “AD D” mark