Specifications

156 SEBU7858-03
Maintenance Section
Hydraulic System Oil Filter - Replace
Note: There are
rotation index marks on the filter
that are spaced 90 degrees or 1/4 of a turn away
from each other. When you tighten the filter, use the
rotation inde
x marks as a guide.
8. Tighten the filter according to the instructions that
are printed o
nthefilter. Use the index marks as a
guide for tightening the filter. For non-Caterpillar
filters, refer to the installation instructions that are
provided by
the supplier of the filter.
Note: You may need to use a Caterpillar strap
wrench, or a
nother suitable tool, in order to turn
the filter to the amount that is required for final
installation. Make sure that the installation tool does
not damage
the filter.
9. Start the engine. Check for leaks at the pilot oil
filter.
10. Check the hydraulic oil level. Add oil to the
hydrauli
c tank, if necessary. Refer to Operation
and Maintenance Manual, “Hydraulic System Oil
Level - Check” for more information.
i025031
05
Hydraulic System Oil Filter -
Replace
SMCS Code: 5068-510
S/N: DBD1-Up
NOTICE
Care must be taken to ensure that fluids are contained
during performance of inspection, maintenance, test-
ing, adjusting and repair of the product. Be prepared to
collect the fluid with suitable containers before open-
ing any compartment or disassembling any compo-
nent containing fluids.
Refer to Special Publication, NENG2500, “Caterpillar
Dealer Service Tool Catalog” for tools and supplies
suitable to collect and contain fluids on Caterpillar
products.
Dispose of all fluids according to local regulations and
mandates.
g01124630
Illustration 213
Oil filter cover (3) is located on top of the hydraulic
tank. Two oil filters and a screen are located under
the oil filter cover. The hydraulic tank is located in
front of the right tractor wheel.
1. Park the machine on level ground. Apply the
parking brake.
2. Lower the bowl to the ground. Shut off the engine.
3. Clean hydraulic oil filler cap (1). The hydraulic oil
filler cap is located on top of the hydraulic tank.
4. The hydraulic oil filler cap is a locking cap. If a
padlock is on the cap, remove the padlock. Raise
lever (2) in order to engage the lug.
5. Turn the hydraulic oil filler cap counterclockwise in
order to remove the cap. Slowly remove the cap
in order to relieve pressure in the hydraulic tank.
Replace the cap after you have relieved pressure
in the hydraulic tank.
6. Clean oil filter cover (3). Remove four bolts (4) that
hold the oil filter cover in place.
7. Remove the two filters. Discard the filters properly.
8. Remove the screen.
9. Washthescreeninclean,nonflammable solvent.
Inspect the screen for damage. Replace the
screen if the screen is damaged.
10. Install the screen. Install two new filters.
11. Inspect the O-ring seal for the oil filter cover.
Replace the O-ring seal if the O-ring is damaged.
12. Install the oil filter cover.
13. Refer to Operation and Maintenance Manual,
“Hydraulic System Oil Level - Check” for further
information.