The concept of "seven part maintenance and three part repair" shall be established for the maintenance of sprinkler. The sprinkler is not only repaired when it is damaged, but also needs to be maintained frequently, so it is more economical and effective to use. In addition to the maintenance of the bottom plate of the sprinkler, pay attention to the maintenance of the sprinkler accessories, such as the sprinkler pump, power take-off, cooling system, etc.
1、由于罐体与洒水车大梁之间垫有木胶垫，水罐载重后各 U 型螺栓由于木胶的变形会发生松动，因此在车重载后，必须定期拧紧 U 形螺栓，尤其是新车使用时必须做到这点 。
1. Due to the wood rubber pad between the tank body and the beam of the sprinkler, the U-bolts will be loose due to the deformation of the wood rubber after the load of the water tank. Therefore, the U-bolts must be tightened regularly after the heavy load of the vehicle, especially when the new vehicle is used.
2. Frequently check the sealing conditions of the connection parts, switches, water absorption rubber pipes and other parts of the sprinkler water system, and restore or replace the sealing parts in case of leakage.
3. Check the fixing condition of water tank, pump frame and bracket regularly, and tighten all nuts to ensure the connection is tight and reliable.
4. Frequently check the connection of the power take-off and water pump of the sprinkler, which shall be reliable and operate normally. If the power take-off and water pump are found to have oil leakage in use, the seal shall be replaced.
5. There is no antifreeze device in the water system of the whole vehicle. Therefore, in severe cold areas, immediately drain all the accumulated water in the water pump, water tank and water system after the temperature is below centigrade. Pay attention to that the drain plug of the water pump shall be closed tightly to ensure the sealing, otherwise it will affect the water absorption of the water pump.
6. Always check whether the outlet holes and ports are blocked, and clean up the sundries in time when they are blocked.
7. The medium of the sprinkler ball valve should not be too dirty, so as to avoid damaging the sealing ring and reducing the service life of the ring valve. The ball valves should not work in a half open state for a long time, or the sealing ring will be easily deformed.
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