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本文介绍一种可用于ZLO4型轮式装载机和FJZ7自装式翻斗车加注液压油及齿轮油的注油过滤装置。如图所示，齿轮泵、进出油管和吸回油过滤器间采用插入连接方式，通过快插接头体、U形卡相连接，电机电源开关设置在该装置上，随时控制油量，该装置为手提式（也可制成手推车式），它
This article describes an oil filtration device that can be used to fill hydraulic and gear oils for the ZLO4 wheel loader and the FJZ7 self-loading dump truck. As shown in the figure, the gear pump, the oil inlet and outlet pipes and the oil filter are inserted and connected with each other through a push-in connector body and a U-shaped card, and the motor power switch is set on the device to control the oil quantity at any time. For portable (also made trolley), it