In the case of an automated manual transmission system configuration as discussed previously, in which a desired shift stage is realized by automatic clutch engagement/disengagement control and gear shifting for a changeover in a transmission gear train, using working oil from an engine drive pump as a working medium, however, prior to the engine start up, there is no discharge of {HEAD ~ working oil} from {TAIL ~ the engine drive pump} 
In the case of an automated manual transmission system configuration as discussed previously , in which a desired shift stage is realized by automatic clutch engagement / disengagement control and gear shifting for a changeover in a transmission gear train , using working oil from an engine drive pump as a working medium , however , prior to the engine start up , there is no discharge of { HEAD ~ working oil } from { TAIL ~ the engine drive pump }
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