Document ID: chunk:federal_register_of_legislation:F2023C00229:reg:9:p7
Version: federal_register_of_legislation:F2023C00229
Segment Type: reg
Provision Reference: reg 9 (pt 7/22)
Character Range: 152594–157027

......... .......... ......... .......... ......... .......... ......... ........

             3.2.8.                     NG fuel-specific equipment

             3.2.8.1.                 Variant 1
             (only in the case of approvals of engines for several specific fuel compositions)

    (1) Strike out what does not apply.
     (2) Specify the tolerance.

             3.2.8.1.1.             Fuel composition:

             methane (CH4): basis: ......... %mole min. ......... %mole max......%mole

             ethane (C2H6): basis: ......... %mole min. ......... %mole max......%mole

             propane (C3H8): basis: ......... %mole min. ......... %mole max......%mole

             butane (C4H10): basis: ......... %mole min. ......... %mole max......%mole

             C5/C5+: basis: ......... %mole min. ......... %mole max......%mole

             oxygen (O2): basis: ......... %mole min. ......... %mole max......%mole

             inert (N2, He etc.): basis: ......... %mole min. ......... %mole max......%mole

             3.2.8.1.2.             Injector(s)

       3.2.8.1.2.1. Make(s): ...... .......... ......... .......... ......... .......... ......... .......... ......... .......... ......... ........

       3.2.8.1.2.2. Type(s): ....... .......... ......... .......... ......... .......... ......... .......... ......... .......... ......... ........

             3.2.8.1.3.             Others (if applicable)

             3.2.8.2.                 Variant 2
             (only in the case of approvals for several specific fuel compositions)

             4.                              Valve timing

             4.1.                         Maximum lift of valves and angles of opening and closing in relation to dead centres or equivalent data:
             . ....... ......... .......... ......... .......... ......... .......... ......... .......... ......... .......... ......... ........

       4.2. Reference and/or setting ranges (1):  ...... ......... .......... ......... .......... ......... .......... ......... ........

             5.                              Ignition system (spark ignition engines only)

             5.1.                         Ignition system type: common coil and plugs/individual coil and plugs/coil on plug/other (specify) (1)

             5.2.                         Ignition control unit

       5.2.1. Make(s): ...... .......... ......... .......... ......... .......... ......... .......... ......... .......... ......... ........

       5.2.2. Type(s): ....... .......... ......... .......... ......... .......... ......... .......... ......... .......... ......... ........

       5.3. Ignition advance curve / advance map) (1)  (2):   .. .......... ......... .......... ......... .......... ......... ........

             5.4.                         Ignition timing (2): ......... degrees before TDC at a speed of .........  rpm and a MAP of.....................Pa

             5.5.                         Spark plugs

       5.5.1. Make(s): ...... .......... ......... .......... ......... .......... ......... .......... ......... .......... ......... ........

       5.5.2. Type(s): ....... .......... ......... .......... ......... .......... ......... .......... ......... .......... ......... ........

       5.5.3. Gap setting:...................................................mm

             5.6.                         Ignition coil(s)

       5.6.1. Make(s): ...... .......... ......... .......... ......... .......... ......... .......... ......... .......... ......... ........

       5.6.2. Type(s): ....... .......... ......... .......... ......... .......... ......... .......... ......... .......... ......... ........

    (1) Strike out what does not apply.
    (2) Specify the tolerance.

             6.                              Engine-driven equipment

             The engine shall be submitted for testing with the auxiliaries needed for operating the engine (e.g. fan, water pump etc.), as specified in and under the operating conditions of Directive 80/1269/EEC, Annex I, Section 5.1.1.

             6.1.                         Auxiliaries to be fitted for the test

             If it is impossible or inappropriate to install the auxiliaries on the test bench, the power absorbed by them shall be determined and subtracted from the measured engine power over the whole operating area