Applicable scope: Dong Kang Dong Kang 6LTAA8.9-C295, LK340 33, 6LTAA8.8-C315, 6LTAA8.9 Dong Dong Kang Kang, Kang Dong 6LTAA8.9-C220, East 6LTAA8.9-C240, 6LTAA8.9-C260, Kang Dong Kang Dong Kang 6LTAA8.9-G2, East 6LTAA8.9-GM200, 6LTAA8.9-GM215, Kang Dong Kang Dong Kang, Kang 6LTAA8.9-C280, 6LTAA8.9-M315 Dong Dong Kang 6LTAA8.9-C300, East 6LTAA8.9-C325, East 6LTAA8.9-C340, Kang Kang Dong Kang 6LTAA8.9-C360 related accessories: cylinder body, cylinder gasket and working principle: the cylinder sleeve forming combustor location: cylinder body on the plane and fault analysis: analysis of crack, warpage reason: cylinder head fastening improper operation, improper operation, start or stop gasket caused by improper installation, insufficient cooling of the engine overheating