| 摘要 |
A simple, hydraulically powered tool for removing and installing the camshaft bushings of an internal combustion engine including an elongated shaft adapted to extend through the camshaft bearing journals to a hydraulic unit which is adapted to be reversibly mounted at one end of the engine to apply either a pushing or pulling force to the shaft. The elongated shaft includes a plurality of axially spaced annular grooves which are adapted to receive a first slotted collar at one end for interconnecting the shaft to the piston of the hydraulic unit and a second slotted collar at the other end to interconnect the shaft to a slotted bushing support mandrel which is adapted to be slid onto the shaft for engagement with a bushing to be installed or removed. A spacer is provided for mounting the hydraulic cylinder unit on the engine when the cylinder unit is operated to impart a pulling force to the shaft and a cradle is provided for mounting the hydraulic cylinder unit when a pushing force is to be imparted to the shaft.
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