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Maintenance
4.2
Outlines of service
Always use KOMATSU genuine parts replacement parts,
grease or oil.
When changing the oil or adding oil, do not mix different
types of oil. When changing the type of oil, drain all the old
oil and fill completely with the new oil. Always replace the fil-
ter at the same time. (There is no problem if the small
amount of oil remaining in the piping mixes with the new oil.)
Unless there is any specific request, the oil, fuel, and coolant
used on the machine when it is shipped from the factory are
as shown in the table below.
Item
Engine oil pan
Transmission case
Hydraulic system
Axle
Radiator
4.2.1
Handling oil, fuel, coolant, grease and carrying out KOWA
(KOMATSU Oil Wear Analysis)
Oil
Oil is used in the engine and work equipment under
extremely severe conditions (high temperature, high pres-
sure), and deteriorates with use.
Always use oil that matches the grade and temperature for
use given in the Operation and Maintenance Manual.
Even if the oil is not dirty, always change 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 machines are caused by the
entry of such impurities.
Take particular care not to let any impurities get in when stor-
ing 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 prob-
lems.
WA500-6H – VEAM430100
Handling oil, fuel, coolant, grease and carrying out KOWA (KOMATSU Oil Wear Analysis)
Type
Engine oil EO15W40DH (KOMATSU genuine parts)
Power train oil TO30 (KOMATSU genuine parts)
Power train oil TO10 (KOMATSU genuine parts)
Axle oil AXO80 (KOMATSU genuine parts)
Supercoolant AF-NAC (Density: 30% or above) (KOMATSU genuine parts)
4.2 Outlines of service
4-5
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