Hydraulic chain or belt tensioner, for double overhead valve engine

摘要

At the inner end of the thruster (13), holding devices (35) and a stop screw (40) are provided, which secure the stop devices when the thruster is pushed into the oil chamber (16). The stop screw can be tightened on the housing (11) and a seal (42) is provided between the stop screw and the housing, which seals the chamber when the stop screw is tightened. The holding devices are formed by a stop ring on the thruster and an inner thread (35) on the inner face side of the thruster. The stop screw at its outer end is provided with an engagement facility (41) for engagement by a tool.