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一台新195型柴油机起动困难,检查供油系统,供油时间正常。原来是喷油泵上的回油阀密封不严所致,拆下回油阀,发现阀体锥面粗糙不平。
A new 195 diesel engine start difficult to check the fuel supply system, fuel supply time is normal. It turned out to be on the fuel injection valve on the back of the valve seal is not strict due to remove the return valve and found the body cone rough rough.