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WTZ-300L型钻机是野外勘探施工的主要设备,经过多年使用,其发动机喷油泵等总成件进入了维修期,由于这种型号的发动机没有备用泵,决定采用北方奔驰2629型载货车报废的OM442.1/3型喷油泵进行代用改造。
WTZ-300L drilling rig is the main equipment for field exploration and construction. After years of use, its engine injection pump and other assembly parts have entered the maintenance period. Since this type of engine does not have a backup pump, it has been decided to scrap the North Benz 2629 truck Of the OM442.1 / 3 fuel injection pump replacement.