Specifications

SEBU7858-03 155
Maintenance Section
Hydraulic System Oil Filter (Pilot) - Replace
12. Fill the hydrau
lic tank to the proper level. Refer
to the following topics:
•
Operation and
Maintenance Manual, “Lubricant
Viscosities”
•
Operation an
d Maintenance Manual, “Capacities
(Refill)”
•
Operation a
nd Maintenance Manual, “Hydraulic
System Oil Level - Check”
13. Inspect the
cap seal for damage. If the seal is
damaged, replace the seal.
14. Install th
ehydraulicoilfiller cap.
15. Start the machine. Run the machine at a low idle.
16. Check the hydraulic oil level. The oil level should
be above the “ADD” level in the sight gauge. Add
oil, if ne
cessary.
Note: The oil must be free from bubbles. If there are
bubbles i
n the oil, then air is entering the hydraulic
system. Inspect the suction hoses and the clamps. If
necessary, tighten any loose clamps and any loose
connect
ions. Replace any damaged hoses.
17. Stop the engine.
i02503089
Hydrau lic System Oil Fil ter
(Pilot) - Repl ace
SMCS Code: 5068-510-PS
S/N: DBD1-Up
Hot oil and hot c omponents can cause personal
injury. Do not allow hot oil or hot components to
con
tact skin.
NOTICE
Care must be ta
kentoensurethatfluids are contained
during performance of inspection, maintenance, test-
ing, adjusting and repair of the product. Be prepared to
collect the flu
id 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 a
ll fluids according to local regulations and
mandates.
g01124877
Illust
ration 212
The p ilot oil filter is located at the left rear of the
tract
or behind the transmission filter.
1. Park the machine on a level surface and apply
the pa
rking brake.
2. Stop the engine. Lower the bowl to the ground.
3. Clean the area around the pilot oil filter.
4. Remo
ve the filter with a strap type wrench. Refer
to Operation and Maintenance Manual, “Oil Filter -
Inspect”. Discard the used oil filter properly.
5. Clean the filter mounting base. Make sure that all
of the old filter seal has been removed.
6. Apply a thin film of clean hydraulic oil to the seal
of the new filter.
7. Install the new filter hand tight until the seal of the
filter contacts the filter mounting base. Note the
po
sition of the index marks on the filter in relation
to a fixed point on the filter mounting base.