Komatsu PW118MR-11, Operation & Maintenance Manual

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However, when working in severe conditions, replace the filters at shorter intervals according to the oil and
fuel (sulfur content) being used.
• Never try to clean and use again the filters (cartridge type). Always replace them with new filters.
• When replacing oil filters, check if any metal particles are attached to the old filters.
If any metal particles are found, consult your Komatsu distributor.
• Do not open packages of spare filters until just before they are to be used.
• Komatsu recommends using Komatsu genuine filters.
HANDLE ELECTRICAL COMPONENTS
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WARNING
• When the battery disconnect switch key is turned to OFF position for the maintenance work, always
pull out the key and keep it with you. If the key is left in the switch, someone may turn on the power
by mistake. It is dangerous that causes an electric shock.
• It is extremely dangerous if the electrical component becomes wet or the covering of the wiring is
damaged. This will cause an electrical leakage and may lead to malfunction of the machine. Do not
wash the inside of the operator's compartment with water. When washing the machine, be careful
not to let water get into the electrical components.
• When removing the connectors of electrical components after washing the machine or in the rain, wipe off
the water drop stuck around connectors before removing the connectors and keep the water drop away
from inside of the connectors.
• Checking and maintenance items are the check of fan belt tension, the check of damage of the fan belt,
and the check of battery fluid level.
• Never install electrical components other than those specified by Komatsu.
• External electro-magnetic interference may cause malfunction of the control system controller. Accordingly,
consult your Komatsu distributor before installing a radio receiver or other wireless equipment to the ma-
chine.
• When working at the seashore, keep the electrical component clean to prevent corrosion.
• When installing electrical equipment, connect them to the specified power supply connector.
Do not connect the optional additional power supply to the fuse, the starter switch or the battery relay.
OUTLINE OF MAINTENANCE MAINTENANCE
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