Applicable scope: Dong Kang Dong Kang L290 30, L315 30, C245 20, Dong Dong Kang Kang Dong Kang C230 20, ISLe310 30, 6CTA8.3-C215, 6CTAA8.3-C195 Dong Dong Kang Kang, Kang Dong 6CTA8.3-C145, East 6CTA8.3-C195, Kang Dong Kang 6CTA8.3-C205, East 6CTA8.3-C212, 6CTA8.3-C230, Kang Dong Kang Dong Kang Dong Kang, 6CTA8.3-C240, 6CTA8.3-C260 Dong Kang 6CTAA8.3-C215, East 6CTAA8.3-G, Kang Dong Kang, Kang Dong UPC300 30 ISLe270 30, ISLe290 31, Dong Dong Kang Kang Dong Kang ISLe290 40, ISL290 50, ISL325 50, Dong Dong Kang Kang Dong Kang 6CT8.3-GM129, ISL340 50, ISL360 50, Kang Dong Dong Kang 6CT8.3-C215, East 6CT8.3-GM115, East 6CT8.3-G2, Kang Kang Dong Kang Dong Kang C220, C220 10 20CNG, C230 10, Dong Dong Kang Kang Dong Kang C230 33, C240 10, C245 21, Dong Dong Kang Kang, Kang Dong 33 C245 QSL8.9-C360- III, QSL9.5-G, QSL8.9 Dong Kang Dong Kang, Kang Dong QSL8.9-C220-30 Dong Kang, QSL8.9-C220- III, QSL8.9-C325- III, Dong Dong Kang Kang Dong Kang QSL8.9-C360-30, QSL8.9-C340- III, QSC8.3, Dong Dong Kang Kang Dong Kang 6LTAA8.9-C295, ISCe8.3, ISCe292 40, Dong Dong Kang Kang, Kang ISC8.3-230E40A, ISC8.3-245E40A Dong Dong Kang, Kang ISC8.3-270E40A, ISC8.3-292E40A Dong Dong Kang 6LTAA8.8-C315, L270 30, Dong Dong Kang Kang L280 20, L300 20, Dong Dong Kang Kang Dong Kang L325 20, L340 20, L340 30, Dong Dong Kang Kang Dong Kang L345 20, L360 20, L360 30, Dong Dong Kang Kang Dong Kang L375 20, L375 30, L8.9GE5 260, Kang Dong Dong Kang L8.9GE5 280, L8.9GE5 300, Dong Dong Kang L8.9GE5 320, Kang Dong Kang, Kang 6LTAA8.9-C220, 6LTAA8.9 Dong Dong Kang 6LTAA8.9-C240, East 6LTAA8.9-C260, 6LTAA8.9-G2, Kang Dong Kang Dong Kang 6LTAA8.9-G3, East 6LTAA8.9-GM200, 6LTAA8.9-GM215, Kang Dong Kang Dong Kang Dong Kang 6LTAA8.9-M315, ISLe325 41 Dong Kang, 6LTAA8.9-C275- II, ISLe315 40, Dong Dong Kang Kang, Kang 6LTAA8.9-C300, 6LTAA8.9-C280 Dong Dong Kang, Kang ISLe-C375, 6LTAA8.9-C325 Dong Dong Kang 6LTAA8.9-C340, East ISLe-C340, 6LTAA8.9-C360, Kang Dong Kang Dong Kang Dong Kang ISLe FFM, ISLe-C325, ISLe360 40, Dong Dong Kang Kang ISLe325 40, ISLe340 40, Dong Dong Kang Kang Dong Kang ISLe350 30, ISLe375 40, ISLe375 30, Dong Dong Kang Kang Dong Kang 6CT8.3-12, ISLe340 30, 6CT8.3-G, Dong Dong Kang Kang, Kang Dong 6CTA8.3-C215- II 6CTA8.3-C205- II, 6CTA8.3-C180, Dong Dong Kang Kang, Kang 6CTA8.3-M205, 6CTA8.3-M220 Dong Dong Kang 6CTA8.3-M188, East 6CTA8.3-GM175, 6CTAA8.3-C220, Kang Dong Kang Dong Kang 6CTA8.3-GM155 the East, 6CTAA8.3-C240, 6CTA8.3-G2, Kang Dong Kang Dong Kang 6CTAA8.3-C260, East 6CTAA8.3-G2, 6CTA8.3-G1, Kang Dong Kang Dong Kang, Kang 6CTAA8.3-G7, 6CTA8.3-G Dong Dong Kang 6CTA8 .3-C260- II, 6CTAA8.3-G9, Dong Dong Kang Kang 6CTA8.3-C240- II, 6CTA240, Dong Dong Kang Kang, Kang Dong 6CTA8.3-C230- II 6CTA8.3-C175 related accessories: working principle of cylinder body, piston, piston moves up and down, to prevent the broken cylinder bearing hole, and the piston are combined to form a combustion chamber installation position: hole and fault analysis of cylinder bearing common fault: (a): analysis of early wear reasons: 1, 2, mechanical wear and abrasive wear of cylinder liner: the adsorption of metal magazine 3, chemical corrosion: corrosion at low temperature and the formation of the common faults of running acidic chemicals (two) analysis of reasons: pull cylinder (1) running in period of use is not good (2) the piston and the cylinder gap is too small (3) piston ring gap is too small (4) low temperature step on the accelerator (5) high engine temperature (6) to "three" did not do a good job of cooling nozzle assembly (7) to live Insufficient cooling plug expansion strain (8) at idle speed for a long time will wash away the oil cylinder wall (9) insufficient coolant temperature is too high,