Document ID: chunk:federal_register_of_legislation:F2023L00129:reg:3b:p4
Version: federal_register_of_legislation:F2023L00129
Segment Type: reg
Provision Reference: reg 3B (pt 4/11)
Character Range: 177130–181819

3.2.6.4.                    Ignition advance curve or map5
3.2.6.5.                    Static ignition timing5 (degrees before TDC)
3.2.6.6.                    Spark plugs
3.2.6.6.1.                  Make
3.2.6.6.2.                  Type
3.2.6.6.3.                  Gap setting (mm)
3.2.6.7.                    Ignition coil(s)
3.2.6.7.1.                  Make
3.2.6.7.2.                  Type
3.2.7.                      Cooling system: liquid/air1

3.2.7.2.                    Liquid
3.2.7.2.1.                  Nature of liquid
3.2.7.2.2.                  Circulating pump(s): Yes/No1
3.2.7.2.3.                  Characteristics
3.2.7.2.3.1.                Make(s)
3.2.7.2.3.2.                Type(s)
3.2.7.2.4.                  Drive ratio(s)
3.2.7.3.                    Air
3.2.7.3.1.                  Fan: Yes/No1
3.2.7.3.2.                  Characteristics
3.2.7.3.2.1.                Make(s)
3.2.7.3.2.2.                Type(s)
3.2.7.3.3.                  Drive ratio(s)
3.2.8.                      Intake system
3.2.8.1.                    Pressure charger: Yes/No 1
3.2.8.1.1.                  Make(s)
3.2.8.1.2.                  Type(s)
3.2.8.1.3.                  Description of the system (e.g. maximum charge pressure …... kPa, wastegate, if applicable)
3.2.8.2.                    Intercooler: Yes/No1
3.2.8.2.1.                  Type: air-air/air-water1
3.2.8.3.                    Intake depression at rated engine speed and at 100 % load (compression ignition engines only)
3.2.8.3.1.                  Minimum allowable (kPa)
3.2.8.3.2.                  Maximum allowable (kPa)
3.2.8.4.                    Description and drawings of inlet pipes and their accessories (plenum chamber, heating device, additional air intakes, etc.)
3.2.8.4.1.                  Intake manifold description (include drawings and/or photos)
3.2.9.                      Exhaust system
3.2.9.1.                    Description and/or drawings of the exhaust manifold
3.2.9.2.                    Description and/or drawing of the exhaust system
3.2.9.2.1.                  Description and/or drawing of the elements of the exhaust system that are part of the engine system
3.2.9.3.                    Maximum allowable exhaust back pressure at rated engine speed and at 100 % load (compression ignition engines only) (kPa)7

3.2.9.7.                    Exhaust system volume (dm³)
3.2.9.7.1.                  Acceptable exhaust system volume (vehicle and engine system): (dm³)
3.2.9.7.2.                  Volume of the exhaust system that is part of the engine system: …………………………dm3
3.2.10.                     Minimum cross-sectional areas of inlet and outlet ports
3.2.11.                     Valve timing or equivalent data
3.2.11.1.                   Maximum lift of valves, angles of opening and closing, or timing details of alternative distribution systems, in relation to dead centers. For variable timing system, minimum and maximum timing
3.2.11.2.                   Reference and/or setting range7
3.2.12.                     Measures taken against air pollution

3.2.12.1.1.                 Device for recycling crankcase gases: Yes/No 1
                            If yes, description and drawings
                            If no, compliance with paragraph 6.10. of Annex 4 of this Regulation required
3.2.12.2.                   Additional pollution control devices (if any, and if not covered by another heading)
3.2.12.2.1.                 Catalytic converter: Yes/No1
3.2.12.2.1.1.               Number of catalytic converters and elements (provide this information below for each separate unit)
3.2.12.2.1.2.               Dimensions, shape and volume of the catalytic converter(s)
3.2.12.2.1.3.               Type of catalytic action
3.2.12.2.1.4.               Total charge of precious metals
3.2.12.2.1.5.               Relative concentration
3.2.12.2.1.6.               Substrate (structure and material)
3.2.12.2.1.7.               Cell density
3.2.12.2.1.8.               Type of casing for the catalytic converter(s)
3.2.12.2.1.9.               Location of the catalytic converter(s) (place and reference distance in the exhaust line)
3.2.12.2.1.10.              Heat shield: Yes/No1
3.2.12.2.1.11.              Regeneration systems/method of exhaust after treatment systems, description

3.2.12.2.1.11.5.            Normal operating temperature range (K)
3.2.12.2.1.11.6.            Consumable reagents: Yes/No1
3.2.12.2.1.11.7.            Type and concentration of reagent needed for catalytic action
3.2.12.2.1.11.8.            Normal operational temperature range of reagent K
3.2.12.2.1.11.9.            International standard
3.2.12.2.1.11.10.           Frequency