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18. OUTLINES OF SERVICE
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Use Komatsu genuine parts for replacement.
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When changing or adding oil, do not use a different type of oil.
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Unless otherwise specified, the oil and coolant used at the time of shipment from the factory are as shown in the
table below.
Item
I
Kind of Fluid
Engine oil pan
Drive train; transmission,
torque con-
verter and rear main frame
Final drive
EOI
HDTF
MPL
Undercarriage
Components
Hydraulic tank
EOI
HDTF or E02
Fuel tank
Radiator
D975 No. 2
50-50 Antifreeze/Water
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For details of the fluid to use, see 20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT
TEMPERATURE.
18.1 OUTLINE OF OIL, FUEL, COOLANT
18.1.1
OIL
Oil is used in the engine and work equipment
under extremely
severe conditions
(high temperature,
high
pressure), and it deteriorates with use. Always use oil that matches the grade and temperature
for use given in
this Operation & Maintenance Manual. Even if the oil is not dirty, always replace the oil after the specified interval.
Oil corresponds
to blood in the human body, so always be careful when handling it to prevent any impurities
(water, metal particles, dirt, etc.) from getting in. The majority of problems with machine are caused by the entry
of such impurities. Take particular care not to let any impurities get in when storing or adding oil.
Never mix oils of different grades or brands.
Always add the specified amount of oil. Having too much oil or too little oil are both causes of problems.
If the oil in the work equipment is not clear, there is probably water or air getting into the circuit. In such cases,
please contact your Komatsu distributor.
When changing the oil, always replace the related filters at the same time.
We recommend you to have an analysis made of the oil periodically to check the condition of the machine. For
those who wish to use this service, please contact your Komatsu distributor.
18.1.2
FUEL
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The fuel pump is a precision instrument, and if fuel containing water or dirt is used, it cannot work properly.
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Be extremely careful not to let impurities get in when storing or adding fuel.
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Always use the fuel specified in this Operation & Maintenance
Manual. Fuel may congeal depending on the
temperature when it is used (particularly
in low temperature
below -15°C (5°F)
so it is necessary to change to
a fuel that matches the temperature.
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To prevent the moisture in the air from condensing and forming water inside the fuel tank, always fill the fuel tank
after completing the day's work.
3-4
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