Do not wash when washing parts engine parts repair or cotton yarn with cotton or gauze head, often caused by bush-burning engine failure. This is because the fine yarn is likely to adhere to the parts cleaning, engine work, through an erosion of oil will drop in engine oil pan, the filter is adsorbed on the set of filters, so that the oil pump pump no oil or only a small amount of oil pumped out, thereby resulting in insufficient engine oil pressure. So in the repair of the engine should be cleaned with cotton or yarn parts, and the application fine cloth or brush to clean in order to avoid bush-burning engine failure.

Water heating cooking method piston installation piston pin, piston need to be heated, then loaded piston pin. Convenient and practical method is to put people in the heating piston Shengyou Qing iron water container, when the water is boiling, stay 10-20min after removing the piston with pliers, while hot rod small end hole of the piston pin hole positive, with a hammer and gently tap the piston pin, the piston pin loaded people. Front-loading piston pin retainer should be installed on one side of the piston pin installed after people, then put the other side of the retainer.

When the net to put the long-term disabled gasoline a day, so I have a machine hand to repair his small gasoline engine. He said his past loom very easy to start, but now how can not start up. Check the circuit, spark plug ignition normal; half a tank of fuel in the tank, but has not been used more than two years. According to machine hand said, I think the gasoline may have a problem. Open the fuel tank, and she smelled gasoline tank had a pungent odor. The aircraft used is a mixture of gasoline and oil composed of oil, due to the long-term need, have all been bad coke, decided to replace all. Due to lack of experience, just after the release of the oil tank of water and rocks added stirring several times, then gasoline to clean several times, namely gasoline and oil stick and put together the oil (20: 1).