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MAINTENANCE
OUTLINES OF SERVICE
3
•
Use Komatsu genuine parts for replacement.
•
When changing or adding oil, do not use a different type of oil.
•
Unless otherwise specified, the oil and coolant used at the time of shipment from the factory are as shown in the table
below.
Engine oil pan
Drive train; transmission, torque converter and rear
main frame
Final drive
Undercarriage Components
Hydraulic tank
Fuel tank
Radiator
For details of the fluid to use, see "USE OF FUEL, COOLANT AND LUBRICANTS" on page 3-7.
OUTLINE OF OIL, FUEL, COOLANT
3
OIL
3
•
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 & Mainte-
nance 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 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 distributor.
FUEL
3
•
The fuel pump is a precision instrument, and if fuel containing water or dirt is used, it cannot work properly. Be extremely
careful not to let impurities get in when storing or adding fuel.
•
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.
•
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.
•
Before starting the engine, or when 10 minutes have passed after adding fuel, drain the sediment and water from the fuel
tank. If the engine runs out of fuel, or if the filters have been replaced, it is necessary to bleed the air from the circuit.
3-4
Item
Kind of fluid
EO1
HDTF
MPL
EO1
HDTF or EO2
D975 No. 2
50-50 Antifreeze/water
D87E-2 D87P-2
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