18.1.5 STORING OIL AND FUEL
l Keep indoors to prevent any water, dirt, or other impurities from getting in.
l When keeping drum cans for a long period, put the drum on its side so that the filler port of the drum
can is at the side. (To prevent moisture from being sucked in)
If drum cans have to be stored outside, cover them with a waterproof sheet or take other measures
to protect them.
l To prevent any change in quality during long-term storage, be sure to use in the order of first in first
out (use the oldest oil or fuel first).
18.1.6 FILTERS
Filters are extremely important safety parts. They prevent impurities in the fuel and air circuits from
entering important equipment and causing problems.
Replace all filters periodically. For details, see the Operation and Maintenance Manual.
However, when working in severe conditions, it is necessary to consider replacing the filters at
shorter intervals according to the oil and fuel (sulfur content) being used.
Never try to clean the filters (cartridge type) and use them again. Always replace with new filters.
When replacing oil filters, check if any metal particles are stuck to the old filter. If any metal particles
are found, please contact your Komatsu distributor.
Do not open packs of spare filters until just before they are to be used.
Always use Komatsu genuine filters.
18.2 RELATING TO ELECTRIC SYSTEM
l If the wiring gets wet or the insulation is damaged, the electric system leaks and this could result
in hazardous malfunction of the machine.
l Services relating to the electric system are (I) check of fan belt tension, (2) check of damage or wear
in the fan belt and (3) check of battery fluid level.
l Never remove or disassemble any electric components installed in the machine.
l Never install any electric components other than these specified by Komatsu.
l Be careful to keep the electric system free of water when washing the machine or when it rains.
l When working on the seashore, carefully clean the electric system to prevent corrosion.
l Never connect any optional power source to the fuse, starting switch, battery relay, etc.
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