| 摘要 |
An improved system of removing oil from an internal combustion engine serviced (130) oil pan or sump though an associated dipstick tube (120). This system uses the vacuum source from a second host internal combustion engine (100) through means of a vacuum conduit (24)connected to a reservoir (40) which draws the oil from the engine serviced (130) sump through the dipstick tube (120) by means of a hydraulic conduit (32) to the reservoir (40).
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