| 摘要 |
A tool for automatically mounting the halves of a split valve stem key in the bore of a spring-retaining washer and around the stem of a valve in a combustion engine. A tool is primarily intended to be used in combination with a handling robot. It comprises a pressure element for compressing a valve spring, magazines for the valve stem key halves, a transportation channel and a transportation member to bring the halves to the required position for assembly around the valve stem and in the washer.
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