| 摘要 |
An internal combustion engine oil change system including an oil filter supplied with a check valve fill fitting. During an oil change, new oil is supplied to the engine through the check valve fitting, thus both filling the filter with oil and back flushing the engine's oil pump. An oil supply mechanism including a tank adapted to hold an appropriate pre-measured quantity of oil under air pressure is provided. A flexible hose with a quick disconnect female coupling connects the tank to the filter fitting for delivering oil from the tank through the filter into the engine. An alternative embodiment places the check valve fitting on a high pressure side of an oil supply conduit. Another embodiment places the check valve fitting on a loading ring located between the filter and the engine.
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