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This paper discusses attendant problems in achieving full benefits from an oil analysis program. The problems of oil sample collection and retrieval of sample data are covered. Heavy emphasis is placed on spectrometric testing for metallic oil constituents, while meaningful physical tests are selected according to equipment type. The technique and rationale of data analysis and the conditional statement of equipment and lubricant condition based upon the oil analysis are discussed at length. Continuous sampling is an important aspect of a good oil analysis program. The laboratory is viewed as a consultant to the end user and the responsibilities of each toward a successful program are underscored.

This paper describes how a comprehensive oil analysis program is implemented in operations involving off-highway and similar equipment. Oil samples are taken on a routine basis and thoroughly analyzed in a laboratory. Tests are tailored to the equipment being sampled, and individual records are maintained per unit to allow monitoring of trends. Highly qualified data analysts review test results and provide practical maintenance recommendations. The result is an improvement in reliability, reduced downtime, and the direction of repair efforts only when and where necessary. Test significance and interpretation are discussed and exemplary case histories provided.

Most construction equipment owners today rely upon computers to assist them with their maintenance and operation controls. However, most are unaware of a ‘hidden’ data base available to the equipment manager: provided he is on an active lube analysis consulting program and provided appropriate software is applied. Far reaching decisions can be made concerning machine selection, operation, and disposal. The key is to systematically access the equipment data base, query the test results, and correlate these to recommendations from the maintenance department. This paper discusses an existing approach to accomplish this.