Hand sprayer is favored by farmers because of their simple structure, light and flexible use, and low price. However, because people do not pay attention to the necessary inspection and maintenance during use, it often causes the phenomenon of "running, running, dripping, and leaking" and the occurrence of user poisoning events, which also affects efficiency and greatly reduces its service life. Hand sprayers are simple in construction, but some failures and damage are common, so having some knowledge of proper maintenance is essential.
Here is the content list:
Maintenance before use
After buying the hand-held compression-type Hand sprayer, first, use lubricating oil or other lubricating oil to coat the pump rod (polished rod) and the black rubber piston ring in the gas barrel tube with a layer to prevent rust or failure. Press the wrench a few times before pumping up, and after lubricating, pump the pumping rod to pump up, after pumping several times, you can spray. The pumping standard should be based on the start of the pumping lever handle. Excessive pumping times will increase the pressure (the safety device will fail), resulting in a barrel burst accident, so you should pay attention to safety. The nozzle of the Hand sprayer can be tightened to spray, and loosened to spray far or straight. If the spray still doesn't appear after taking enough breaths, check whether the nozzle is blocked or the nozzle cap is screwed too tightly. It should be loosened or cleaned, and must not be pressed hard. If there is no spray and the spray head is dripping after the air is full, the spray rod nut should be tightened. After tightening, if the water leaks when the wrench has a gap, the air should be released, remove the barrel head, and take a look at the plug. Whether the O-ring in the rod is straight, it should be straight. If the hand sprayer feels that the frictional resistance of the plug rod is large when inflating, unscrew the gas barrel tube and apply lubricating oil or other lubricating oil around the black rubber piston ring to make the inflating feel comfortable and prolong the use of the rubber ring life.
Maintenance after spraying
After each spraying, the machine should be sprayed with clean water in time to prevent the residual blockage of the medicine. When not in use temporarily, the barrel should be loosened and deflated, and the liquid should be poured out. After cleaning with clean water, lubricating oil or other lubricating oil should be applied to the piston and sealing ring for the next use. For example, when the O-ring at the junction of the gas barrel nozzle of the Hand sprayer and the liquid barrel cover is aging and deformed, and this accessory cannot be purchased, it can be replaced by the raw material tape used when installing the water pipe. Do not contact with substances that have chemical reactions with plastics, do not use liquid sprays that have chemical reactions with plastics, and do not expose to the sun for a long time, otherwise, the bottle body will easily age and cause the bottle body to burst. When buying a handheld compressed Hand sprayer, don't just look for cheap, not quality.
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