Power sprayer meets problems during using

Power Sprayer has complex structure, simple operation, so power sprayer is widely used in various industries, such as: garden spraying, pest eradication in agriculture, hospitals and other departments disinfection and sterilization. However, the process of using power sprayer will encounter a variety of problems, following a brief power sprayer is used not on the throttle problem.
Power Sprayer does not on the throttle, mainly in the following situations:
(1) One-way valve tank cover (holes) is intact with the atmosphere.
(2) To the carburetor from the fuel filter outlet port, the road, there is no blockage.
(3) Carburetor mixture is too lean. Need to be adjusted or replaced.
(4) Whether the poor exhaust muffler.
(5) The cylinder gasket, intake manifold pad, carburetor mattress pad at the three holes have the holes on the part not on. For instance installed backwards, or clogging.