| 摘要 |
A dividing wall between an engine compartment and an operator's compartment of an excavator is provided with an opening through which lines or tubes, such as hydraulic lines or air conditioning lines must pass. The lines or tubes have fittings at their ends which are larger than the lines or tubes, so that the opening, which is in center portions of the wall, has to be large enough to permit passage of the fittings through the wall. The tubes, which are smaller, thus leave portions of the opening uncovered when they are in place. The opening has a number of recesses along one edge that are of size to receive first portions of grommets that in turn surround the tubes. A seal plate that has mating recesses that receive other portions of the grommets extending into the opening is placed to cover the opening, support the grommets, and seal the opening to reduce the passage of heat, noise and the like through the wall when in place.
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