１．开关漏水。多数是开关帽下的垫圈松动或破损，应予更换。如喷雾器久置不用，开关锈蚀，则应用柴油或汽油浸泡开关，然后再行拆卸，切不可强敲硬击，以免损坏机件。２．气筒不进气。可检查气筒皮碗是否干缩硬化或破裂，若属前者，可用机油、柴油浸泡使其膨胀，再装入使用， 1. Leakage switch. Most of the gaskets under the switchgear are loose or damaged and should be replaced. Such as the sprayer for a long time do not have to switch rust, the application of diesel or gasoline immersion switch, and then re-disassembly, must not be hard knock hard hit, so as not to damage the mechanical parts. 2. No gas cylinder. Can check the gas bowl dry shrink or harden or crack, if the former, available oil, diesel soak its expansion, and then loaded into use,