| 摘要 |
The adapter assemblies for an engine flushing system includes an oil filter port adapter assembly and an oil drain plug port adapter assembly for connection between an engine flushing apparatus and the lubrication system of an internal combustion engine. A plurality of adapter members of the oil filter adapter assembly are releasably secured together by a low tolerance sliding fit and indexed together by indexing pins in a low tolerance sliding fit, to prevent the connection between the adapter members from seizing up. In one embodiment, for a recessed, cartridge-type oil filter port accessible via the drain pan, the filter port adapter assembly comprises a first filter port adapter member, one end of which is placed within the filter port, and a second end of which is connected to the fluid supply conduit connected to the flushing apparatus. A second filter port adapter member having an internal passageway for receiving the second end of the first filter port adapter member is externally threaded to be connected within a correspondingly internally threaded opening of the drain pan.
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