How to maintanice the crawler excavator in the high temperature

In high temperature weather, the water tank of the excavator is prone to high temperature phenomenon. In order to avoid this, we need to pay attention to the following points:
1. Replace the pure positive antifreeze regularly.
2. Clean the inside and outside of the water tank regularly to ensure that the water tank is clean and smooth.
3. Install the heat insulation cotton around the water tank to prevent the hot air from flowing.
4. Adjust the tightening of the engine fan belt to ensure that the fan speed is normal.