SAE J1642 pdf download
SAE J1642 pdf download.Medium- and Heavy-Duty Truck Converter/Muffler Configuration.
1. This SAE Draft Technical Report is intended to document the technical consensus of the current design state of converter/mufflers for heavy-duty emission classification diesel vehicle applications. This will maximize standardization and promote interchangeability of parts from different manufacturers.
1.1 Purpose—The purpose of this SAE Draft Technical Report is to give the technical community the opportunity to review, comment on, and use the Draft Technical Report prior to its final approval by SAE.
2. References
2.1 Applicable Publications—The following publications form a part of the specification to the extent specified herein. Unless otherwise indicated the latest revision of SAE publications shall apply.
2.1.1 SAE PueuCATON—Available from SAE. 400 Commonwealth Drive, Warrendale. PA 15096-0001.
SAE JXXXX—Diesel Catalytic Converter Nomenclature and Terminology
2.1.2 OTHER PUBLICATION
Federal Register; Title 40; Sec. 86.082-2; Definitions
3. Technical Requirements
3.1 Design
311 DIMENSIONAL UNITS—The outline dimensions of the unit shall be in SI (metric) units However, the actual values shall be direct conversion ol the existing English dimensions for mufflers. Tooting and gaging will not be changed for metric purposes. This is otherwise known as sofr vietric.
3.1.3 CURRENT MARKET PREFERENCES—At this time, a standard size cannot be established — given packaging. emissions, restriction, and noise requirements. However, Table 1 identifies the current high volume design for medium- and heavy-duty weight class vehicles.
3.2 ApplIcation Guidelines
3.2.1 MoUNTING—The outline drawing shall identity areas of the converter/muffler that can be used for vehicle mounting. An option is the identification of areas not suitable as a mounting location. Recommended location(s) is desired.
3.2.2 VIBRATION—The converter/muffler will have been designed/tested to a maximum vibration level — generally in the longitudinal axis of tile part. This maximum (“g’ — long) shall be specified on the outline drawing to allow intelligent application on the truck chassis.
3.2.3 INSTALLATION—The range of pipe length from the turbocharger/manifold outlet to the converter/muffler inlet shall be specified by the engine manufacturer. This will allow proper application in the vehicle chassis. For reference, the current ranges are:
w MD—O45mto4im
b. HD—1,6mto6.5m
Additional information for specific applications Is available In Appendices A and B, Tables Al and 81.
4. Notes
4.1 Key Words—Medium-duty truck, heavy-duty truck, converter/muffler, catalytic converter, particulate, design, dimensions, outline, application, mounting, vibration, installation.
4.2 This SAE Draft Technical Report represents the current thinking of the sponsoring Technical Committee, The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringements arising therefrom, is the sole responsibility of the user.
