| 摘要 |
A timing light adapter includes first and second light transmissive channels. The first light transmissive channel injects light into an engine case and illuminates a timing mark therein. The second light transmissive channel carries light reflected from the timing mark out of the engine case. The timing light adapter thereby isolates a body of oil within the engine case while allowing visibility of the timing mark without light energy interference from a timing light source.
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