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This Recommended Practice incorporates methane analysis instrumentation only.

This procedure establishes recommendations on the measurement of diesel engine intake air flow under steady-state test conditions. The measurement methods discussed have been limited to metering systems and associated equipment found in common usage in the industry, specifically, nozzles, laminar flow devices, and vortex shedding. The procedure establishes accuracy goals as well as explains proper usage of equipment. The recommendations concerning diesel engine exhaust mass flow measurements are minimal in scope.

The detailed recommendations have been limited to three metering systems and the associated equipment required to measure diesel engine gas flows at steady-state operating conditions. Accuracy goals are established, and the procedures and equipment are proposed as required to obtain desired measurement accuracy.

This SAE Recommended Practice is intended as a guide in the usage of mechanical face seals for the passenger car air-conditioning compressor application. Included in this guide is a compilation of present practices; for example, a description of various type seals, material combinations, design data, tolerances, drawing format, qualification testing, inspection information, and quality control data. The terminology used is recommended to promote uniformity in seal nomenclature.

This SAE Recommended Practice establishes equipment and procedures for testing spark arresters used on medium-size, single-position internal combustion engines, normally used in transportable, stationary, and vehicular applications, such as highway trucks, agricultural tractors, industrial tractors, other mobile equipment, and motorcycles. This document provides two methods of testing (laboratory testing and engine testing) which may be used to evaluate a spark arrester. It also includes special requirements for screen type devices and an endurance test procedure for screen type spark arresters.