Code of Federal Regulations (Last Updated: May 6, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 89 - Control of Emissions from New and in-Use Nonroad Compression-Ignition Engines |
Subpart D - Emission Test Equipment Provisions |
§ 89.327 - Charge cooling.
Latest version.
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§ 89.327 Charge cooling.
For engines with an air-to-air intercooler (or any other low temperature charge air cooling device) between the turbocharger compressor and the intake manifold, follow SAE J1937. This procedure has been incorporated by reference. See § 89.6. The temperature of the cooling medium and the temperature of the charge air shall be monitored and recorded.
[59 FR 31335, June 17, 1994. Redesignated at 63 FR 56995, Oct. 23, 1998]