挖掘机维修咨询:13635478070.
故障机型:三一SY65C-9
故障现象:发动机烧机油严重（lOOOh内）,达5L/lOOh,有下排气.
检查要领:
1)检查发动机外表无机油泄漏现象.
2)涡轮增压器正常,无烧机油现象.
3)气门油封无脱落、磨损现象.
4)发动机外表无异常现象,判断为发动机内部问题,拆检发现第一缸活塞油环断裂.
三一挖掘机发动机烧机油严重故障原因:活塞油环断裂造成机油进入燃烧室,导致机油消耗严重.
故障解决方法:交换活塞环后故障排除.
三一重工SY65C-9挖掘机相关参数：
发动机型号:五十铃 AJ-4JG1
额定功率(Kw/rpm):40.9/2100
整机工作重量(kg):6700
铲斗挖掘力(kN):51
铲斗容量(方):0.25(可选0.16～0.32)
斗杆挖掘力(kN):35.6
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