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[5] FILTERS
• Filters are used to prevent trouble caused when impurities in the oil, fuel, or air enter important equipment. When the
replacement interval listed in this manual is reached, always replace or clean the filters.
However, when using this machine under heavy-duty conditions, replace the filters before the specified replacement interval
has passed.
• Do not wash and reuse oil filters or fuel filters. Always replace them with new parts.
• When replacing the oil filter, check the old filter for any metal particles or pieces of rubber from the hoses.
If any rubber or metal is found, please contact your distributor. This action is important to prevent any failure before it occurs.
• When using new filters, do not remove the wrapping until immediately before using them.
[6] ELECTRICAL COMPONENTS
• It is extremely dangerous if electrical components become wet or the film covering them is broken. This may lead to electrical
leakage and may cause misoperation of the machine. When washing the machine, take care not to get water onto electrical
components.
• Never remove any electrical components from the machine or disassemble them.
• Always contact your distributor before installing additional electrical equipment to your machine.
• After the machine has been used near the sea or after it has been used for spreading fertilizer, wipe the electrical components
carefully with a dry cloth to prevent corrosion.
[7] HYDRAULIC SYSTEM
• The hydraulic equipment is at high temperature and high pressure during operations and immediately after operations have
been completed.
When carrying out inspection and maintenance of the hydraulic equipment, always do as follows.
(1) Stop the machine on level ground, and lower the work equipment to the ground so that there is no pressure in the
hydraulic cylinder circuit.
(2) Always stop the engine.
(3) Loosen the hydraulic tank cap slowly, then remove it.
(4) Always wait for the temperature to go down before starting maintenance. Even when the temperature goes down, the
circuits are still under internal pressure, so when removing plugs or hoses, do not stand directly in front of them, and loosen
the connections slowly before removing.
• If high-pressure hoses, connections, or hydraulic equipment have been removed, always replace the O-ring.
• When replacing or cleaning the hydraulic line filter or strainer, or when replacing or repairing the hydraulic equipment or hoses,
always bleed the air from the circuit after completion of the operation.
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