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How are Multiposition Small Engines Tested?

April 26, 2017engines multiposition small tested

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How are Multiposition Small Engines Tested?

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Testing of MSE’s is conducted in accordance with the Society of Automotive Engineers (SAE) procedure J355. This provides the methods of testing to evaluate the fire ignition potential of exhaust systems used in MSE’s. These methods include tests for screens, and surface and exhaust gas temperatures. Screens and mounting systems are checked for openings not to exceed 0.023 inch. Surfaces and exhaust gases are checked while the MSE is operated under optimal load conditions. Temperatures shall not exceed 550° F for exposed surfaces and 475° F for exhaust gases.