| 摘要 |
In a phase adjustment device, in particular a valve train phase adjustment device, with a phase adjusting unit comprising a housing part, an input drive and an output drive which is phase-adjustable with respect to input drive and with a control actuator for controlling a base unit extending partially into the housing part, wherein the phase adjusting unit comprises a valve unit actuatable by the control actuator and having a valve housing in the form of a mounting screw by means of which the output drive is connected for rotation with a drive shaft, the valve housing is provided at its free end with a contoured recess for receiving a tightening tool, which has a corresponding outer contour for the transmission of tightening torques and also accommodating part of a valve spool.
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