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Maintenance Section
Lubricant Specifications
Caterpillar Premium Grease (CPG)
Desert Gold (CPG)
Desert Gold is a heavy-duty, premium synthetic
grease that is developed for the most extreme
operating environments. This grease is formulated
with the following characteristics: high viscosity
synthetic base fluid, polymers, molybdenum
disulfide, high viscosity index, and high dropping
point.
Desert Gold will protect equipment against
heavy shock loads. Desert Gold protects against
corrosion in extreme heat, in moist conditions, or
in dusty conditions. This product has excellent
characteristics of adhesion and of stability.
Desert Gold provides longer protection than other
greases. Desert Gold is an environmentally friendly
grease which does not contain the following
materials: antimony, sulfur, barium, zinc, lead,
and phosphorous materials. Normal operating
temperatures are
−6 to 230
C (21 to 450
F). Desert
Gold can operate at higher temperatures for short
time periods. Desert Gold has additional extreme
pressure protection for highly loaded pin joints.
Arctic Platinum (CPG)
Arctic Platinum is a super-premium extreme
pressure lubricating grease that is developed for
lubrication in temperatures that are below zero to
moderate operating temperatures. Arctic Platinum
is available in grades 000, 00, 0, 1, and 2. These
grades ensure pumpability in central lube systems in
a variety of ambient temperatures from −60 to 18
C
(−76 to 65
F). Arctic Platinum has a high dropping
point. Arctic Platinum contains a five percent
concentrate of molybdenum disulfide for protection
against extra heavy loads. Arctic Platinum provides
excellent corrosion protection and rust protection.
Arctic Platinum is an environmentally friendly grease
which does not contain the following materials:
antimony, sulfur, barium, zinc, and phosphorous.
Arctic Platinum is designed for long life lubrication
of the following components: horizontal pivot
bearings, lower link bearings, steering cylinders,
kingbolt bearings, upper hitch link bearings, and
ejector carrier roller bearings. This grease is extra
tacky for retention on excavator carbody bearings.
Arctic Platinum has additional extreme pressure
protection for highly loaded pin joints.
i01065849
S·O·S Oil Analysis
SMCS Code: 1000; 7542
Caterpillar recommends the use of the S·O·S
oil analysis program in order to monitor the
condition and the maintenance requirements of
the equipment. The S·O·S oil analysis program will
complement the preventive maintenance program.
The S·O·S oil analysis is a diagnostic tool that is
used to determine oil performance and component
wear rates. Contamination can be identified and
measured through the use of the S·O·S oil analysis.
The S·O·S oil analysis includes the following tests:
•
The Wear Rate Analysis monitors the wear of the
engine’s metals. The amount of wear metal and
type of wear metal that is in the oil is analyzed.
The increase in the rate of engine wear metal in
the oil is as important as the quantity of engine
wear metal in the oil. For this reason, regular
sampling at specified intervals is necessary
in order to establish wear rates. Intermittent
sampling does not allow wear rate trend lines
to be established. Engine wear metals in the oil
sample are compared to established Caterpillar
norms in order to determine acceptability.
•
Tests are conducted in order to detect
contamination of the oil by water, glycol or fuel.
•
The Oil Condition Analysis determines the loss
of the oil’s lubricating properties. An infrared
analysis is used to compare the properties of
new oil to the properties of the used oil sample.
This analysis allows technicians to determine
the amount of deterioration of the oil during use.
This analysis also allows technicians to verify
the performance of the oil according to the
specification during the entire oil change interval.
The test results of the oil samples will then be used
as a basis for determining the oil change interval
for the engine. The results of the S·O·S oil analysis
may allow the engine to operate longer between oil
changes without the risk of engine damage.
Ta bl e 6
S·O·S Oil Analysis Interval
Compartment
Interval
Engine crankcase Every 250 Service Hours
For more information, see Special Publication,
PEDP7036, “S·O·S Fluid Analysis”. Consult your
Caterpillar dealer for complete information and
assistance about the program.
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