The seasonal maintenance is mainly to ensure that the Dongfeng sprinkler can operate normally in the winter and summer when the temperatures vary widely.

Seasonal maintenance items for summer season are:

1. Dismantle the Dongfeng sprinkler engine additional insulation device and check the blinds.

2. Clean the Dongfeng sprinkler engine water jacket and check the thermostat performance.

3. Put and clean the engine oil and gear oil of each assembly and add summer lubricants according to the standard.

4. Clean the fuel system, adjust the carburetor, and set the intake and exhaust manifold warm-up valve to the “summer” position.

5. Adjust the proportion of the electrolyte of the Dongfeng sprinkler battery, adjust the generator regulator, properly reduce the charging current and voltage, and clean the contacts.

6, open the oil radiator switch.

Seasonal maintenance items for the winter season are:

1. Install Dongfeng sprinkler engine additional insulation device to check the blinds.

2. Discharge the oil and gear oil from each assembly and clean them. Then add the winter lubricant.

3. Clean all the pipes of the Dongfeng Sprinkler's gas tank, fuel filter, carburetor and oil supply system to prevent frozen water from freezing.

4. Place the intake and exhaust manifold warm-up valves at the "Winter" position.

5, adjust the battery electrolyte proportion and generator regulator, increase the charging current and voltage.

6. Clean the Dongfeng sprinkler engine water jacket, check the effectiveness of the thermostat, and add antifreeze to the cooling water.

7. Turn off the oil radiator.


Round Open Water Cooling Tower

The whole structure is solid and light;the body and water pond is manufactured with reinforced glass fibre (FRP glass fiber reinforced plastics),never being corrosive. The surface finish is added with ultraviolet inhibitor,which can resist sunshine attack and damage.

All steel and iron material is processed through galvanizing by dipping,Ocorrosion resisting and durable.

Special designed axial-flow type air blower applies belt reduction gear,reducing low noise and sufficient wind; tailor-made water-drop noise
reduction carpet to eliminate water sound.

Apply special design PVC water block curtain (water-stop) to prevents plashing) remarkably; pressure drop loss is slight and splashing loss i under 0.001%.

Special designed water sprinkler with big bore diameter,which won' t cause blocking but the sprinkling effect is very good. It is installed in the tower,so it won' t bee polluted by outside dust and foreign matters.


Apply cellular vacuum molding heat dissipation material, stagger arrangement surface has grooves and the heat exchange effect is especially good.


Water pond applies slant design, easy to wash, containing less water; the operating weight is lower, but the water tank is very big, so it won't absorb air.

The cooling tower support is light and solid, convenient to assembly no matter there is suspension iron rack or not.


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Wuxi Ark Fluid Science Technology Co., Ltd. , https://www.fangzhouarkfluid.com