OPERATION & MAINTENANCE MANUAL STE35SR
Grease
Grease is used to prevent seizure and noises at the joints.
This construction equipment is used under heavy-duty conditions. Always use the
recommended grease and follow the change intervals and recommended ambient
temperatures given in this Operator’s Manual.
The nipples not included in the maintenance section are nipples for overhaul, so they do not
need grease. If any part becomes stiff after being used for long time, add grease
If any part becomes stiff after being used for long time, add grease.
Always wipe off all of the old grease that is pushed out when greasing.
Always wipe off all of the old grease that is pushed out when greasing.
Be particularly careful to wipe off the old grease in places where sand or dirt sticking in the
grease would cause wear of the rotating parts.
Coolant of the cooling system
When diluting the antifreeze coolant, use distilled water or tap water (soft water).Natural water,
such as a river water or well water (hard water), contains large amounts of minerals (calcium,
magnesium, etc.), and this makes it easier for scale to form inside the engine or radiator.
Once scale is deposited inside the engine or radiator, it is extremely difficult to remove. It also
causes overheating due to poor heat exchange.
When using antifreeze, always observe the precautions given in the Operation and
Maintenance Manual.
CFG machines are supplied with CFG Coolant. CFG Coolant has excellent anticorrosion,
antifreeze and cooling properties and can be used continuously for 2 years or 3000
hours.This antifreeze can be used even in hot areas.
Antifreeze coolant is flammable, so be sure to keep it away from flame.
The ratio of coolant to water differs according to the ambient temperature.
If the engine overheats, wait for the engine to cool before adding coolant.
If the coolant level is low, it will cause overheating, and will also cause problems with
corrosion due to air entering the coolant.
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, refer to the operation and maintenance manual.
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 the filters (cartridge type) and use them again. Always replace with new
filters.
When replacing oil filters, check if any metal particles are attached to the old filter. If any metal
particles are found, contact your CFG distributor.
Do not open packs of spare filters until just before they are to be used.
Always use CFG genuine filters.
Electric System Maintenance
It is extremely dangerous if the electrical equipment becomes wet or the covering of the wiring
is damaged. This will cause an electrical short circuit and may lead to malfunction of the
machine. Do not wash the inside of the operator's cab with water. When washing the machine,
be careful not to let water get into the electrical components.
Service relating to the electric system is checking fan belt tension, checking damage or wear
to the fan belt and checking battery fluid level.
Never install any electric components other than those specified by CFG.
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