Method and system for performing gearbox final assembly...

Lubrication – Automobile crank and gear case service

Reexamination Certificate

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Details

C137S015040, C210S767000, C073S053070

Reexamination Certificate

active

06976558

ABSTRACT:
A clean check is performed on a gearbox by flushing an oil-based fluid through the gearbox and then through a filter. The filter is then weighed to determine the weight of contaminants collected in the filter. The contaminant weight is compared to a predetermined level, wherein the gearbox is acceptable if the contaminant weight is below the predetermined level. This method is carried out on a system that includes a source of the oil-based fluid fluidly connected to an inlet of the gearbox and a filter fluidly connected to an outlet of the gearbox. A device such as a pump is provided for causing the oil-based fluid to flow through the gearbox and the filter.

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