The engine "holds the cylinder", also called the piston "stolen to death", mostly occurs in the engine running period after the overhaul, mainly due to poor cooling, high engine temperature, poor lubrication and other reasons.
The following points should be noted for the prevention of engine "hold cylinder":
There is no shortage of cooling water, and the cooling system is working properly; the lubrication system is working well; during the run-in period, do not increase the speed at will, and do not overload. When the engine temperature increases, there is a tendency to slow down and stall, avoid increasing the throttle to increase the speed. At this point should immediately reduce the throttle, reduce speed or stop, let the engine rest, and then slowly increase the speed after the temperature dropped.
If the engine suddenly stops during operation, and the oil and circuit of the engine are all normal, it is very likely that the "holding cylinder" has occurred. At this time, the engine needs to be cooled before processing. The specific method is:
Shake the engine slowly with the crank handle. If the engine does not move at this moment, do not forcibly shake and avoid pulling the piston or cylinder. To remove the spark plug or injector, or to open the decompression device, inject a small amount of engine oil into the cylinder, and then shake, until the engine can rotate freely.
Start the engine again, idling for a few minutes, then gradually increase the speed, and wait until it is normal to work. After the engine has “held the cylinderâ€, it is forbidden to use the cooling water to flush the cylinder block so as to avoid cracks in the cylinder block due to sudden temperature drop. If the engine generates a serious "hold cylinder", it cannot be started or towed forcibly. It must be stopped immediately, and the engine repaired after cooling.
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