72
4.2.7 COOLING SYSTEM
Interval (hours)
Parts name Qty
8 50 100 250 500 1000 2000
1. Check cooling water level 1 △
2. Check and adjust fan belt
tension
1 1※ △
3. Replace cooling water 10L △
interior 1 3△※
4. Clean radiator
and hydraulic oil
cooler core
exterior 1 When replace cooling water
Fill soft and pure tap water or bottled water.
Antifreeze:
If the air temperature is below 0 (32 ), add antifreeze and soft water to the cooling system. ℃℉
In general, the ratio of antifreeze should be between 30% and 60%.
If the ratio is less than 30%, the cooling system will be rusted; if the ratio is more than 60%,
the engine will be overheated. Use 50% water and 50% glycol antifreeze, the engine can
operate at the -37 peren℃ nially.
z Only maintain in the first inspection.
z When the machine is delivered, 30% of antifreezing fluid has been filled in the
cooling system.
z Operate the machine at dusty areas, maintenance interval should be shortened.
z Antifreeze is poisonous, if ingested, will cause serious injury or
death. In case of drinking it by accident, you should lead vomiting
and go to hospital at once.
z Ensure storing the antifreeze with container, which has been sealed
with cover or has obvious mark, the antifreeze should be stored at
the place that children can’t get.
z If the antifreeze splashes into eyes by accident, wash eyes 10 to 15
minutes with water, and then go to hospital at once.
z Obey all the regulations when store or throw away antifreeze.
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