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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 e - EXHAUST EMISSION TEST PROCEDURES
Appendix B to Subpart E of Part 89 - Tables
Table 1_8-Mode Test Cycle for Variable-Speed Engines ---------------------------------------------------------------------------------------------------------------- Observed torque \2\ Minimum Test segment Mode number Engine speed \1\ (percent of time in Weighting max. mode factors observed) (minutes) ---------------------------------------------------------------------------------------------------------------- 1............................... 1.................. Rated............. 100 5.0 0.15 1............................... 2.................. Rated............. 75 5.0 0.15 1............................... 3.................. Rated............. 50 5.0 0.15 1............................... 4.................. Rated............. 10 5.0 0.10 2............................... 5.................. Int............... 100 5.0 0.10 2............................... 6.................. Int............... 75 5.0 0.10 2............................... 7.................. Int............... 50 5.0 0.10 2............................... 8.................. Idle.............. 0 5.0 0.15 ---------------------------------------------------------------------------------------------------------------- \1\ Engine speed (non-idle): 2 percent of point. Engine speed (idle): Within manufacturer's specifications. Idle speed is specified by the manufacturer.
\2\ Torque (non-idle): Throttle fully open for 100 percent points. Other non-idle points: 2 percent of engine maximum value. Torque (idle): Throttle fully closed. Load less than 5 percent of peak torque.
Table 2_5-Mode Test Cycle for Constant-Speed Engines ---------------------------------------------------------------------------------------------------------------- Observed torque \2\ Minimum Mode number Engine\1\ Speed (percent of time in Weighting max. mode factors observed) (minutes) ---------------------------------------------------------------------------------------------------------------- 1......................................... Rated........................ 100 5.0 0.05 2......................................... Rated........................ 75 5.0 0.25 3......................................... Rated........................ 50 5.0 0.30 4......................................... Rated........................ 25 5.0 0.30 5......................................... Rated........................ 10 5.0 0.10 ---------------------------------------------------------------------------------------------------------------- \1\ Engine speed: 2 percent of point.
\2\ Torque: Throttle fully open for 100 percent point. Other points: 2 percent of engine maximum value.
Table 3_6-Mode Test Cycle for Engines Rated Under 19 kW ---------------------------------------------------------------------------------------------------------------- Observed torque \2\ Minimum Mode number Engine speed \1\ (percent of time in Weighting max. mode factors observed) (minutes) ---------------------------------------------------------------------------------------------------------------- 1......................................... Rated........................ 100 5.0 0.09 2......................................... Rated........................ 75 5.0 0.20 3......................................... Rated........................ 50 5.0 0.29 4......................................... Rated........................ 25 5.0 0.30 5......................................... Rated........................ 10 5.0 0.07 6......................................... Idle......................... 0 5.0 0.05 ---------------------------------------------------------------------------------------------------------------- \1\ Engine speed (non-idle): 2 percent of point. Engine speed (idle): Within manufacturer's specifications. Idle speed is specified by the manufacturer.
\2\ Torque (non-idle): Throttle fully open for operation at 100 percent point. Other nonidle points: 2 percent of engine maximum value. Torque (idle): Throttle fully closed. Load less than 5 percent of peak torque.
Table 4_4-Mode Test Cycle for Propulsion Marine Diesel Engines ---------------------------------------------------------------------------------------------------------------- Engine speed Observed power \1\ (percent \2\ (percent Minimum time Weighting Mode number of max. of max. in mode factors observed) observed) (minutes) ---------------------------------------------------------------------------------------------------------------- 1............................................... 100 100 5.0 0.20 2............................................... 91 75 5.0 0.50 3............................................... 80 50 5.0 0.15 4............................................... 63 25 5.0 0.15 ---------------------------------------------------------------------------------------------------------------- \1\ Engine speed: 2 percent of point.
\2\ Power: Throttle fully open for operation at 100 percent point. Other points: 2 percent of engine maximum value.
[63 FR 57019, Oct. 23, 1998]
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