Appendix I to Part 92 - Emission Related Locomotive and Engine Parameters and Specifications
40:22.0.1.1.6.12.1.9.19 : Appendix I
Appendix I to Part 92 - Emission Related Locomotive and Engine
Parameters and Specifications I. Basic Engine Parameters -
Reciprocating Engines. 1. Compression ratio. 2. Type of air
aspiration (natural, Roots blown, supercharged, turbocharged). 3.
Valves (intake and exhaust). a. Head diameter dimension. b. Valve
lifter or actuator type and valve lash dimension. 4. Camshaft
timing. a. Valve opening - intake exhaust (degrees from TDC or
BDC). b. Valve closing - intake exhaust (degrees from TDC or BDC).
c. Valve overlap (degrees). 5. Ports - two stroke engines (intake
and/or exhaust). a. Flow area. b. Opening timing (degrees from TDC
or BDC). c. Closing timing (degrees from TDC or BDC). II. Intake
Air System. 1. Roots blower/supercharger/turbocharger calibration.
2. Charge air cooling. a. Type (air-to-air; air-to-liquid). b. Type
of liquid cooling (engine coolant, dedicated cooling system). c.
Performance (charge air delivery temperature (°F) at rated power
and one other power level under ambient conditions of 80 °F and 110
°F, and 3 minutes and 15 minutes after selecting rated power, and 3
minutes and 5 minutes after selecting other power level). 3.
Temperature control system calibration. 4. Maximum allowable inlet
air restriction. III. Fuel System. 1. General. a. Engine idle
speed. 2. Carburetion. a. Air-fuel flow calibration. b. Idle
mixture. c. Transient enrichment system calibration. d. Starting
enrichment system calibration. e. Altitude compensation system
calibration. f. Hot idle compensation system calibration. 3. Fuel
injection - non-compression ignition engines. a. Control parameters
and calibrations. b. Idle mixture. c. Fuel shutoff system
calibration. d. Starting enrichment system calibration. e.
Transient enrichment system calibration. f. Air-fuel flow
calibration. g. Altitude compensation system calibration. h.
Operating pressure(s). i. Injector timing calibration. 4. Fuel
injection - compression ignition engines. a. Control parameters and
calibrations. b. Transient enrichment system calibration. c.
Air-fuel flow calibration. d. Altitude compensation system
calibration. e. Operating pressure(s). f. Injector timing
calibration. IV. Ignition System - non-compression ignition
engines. 1. Control parameters and calibration. 2. Initial timing
setting. 3. Dwell setting. 4. Altitude compensation system
calibration. 5. Spark plug voltage. V. Engine Cooling System. 1.
Thermostat calibration. VI. Exhaust System. 1. Maximum allowable
back pressure. VII. Exhaust Emission Control System. 1. Air
injection system. a. Control parameters and calibrations. b. Pump
flow rate. 2. EGR system. a. Control parameters and calibrations.
b. EGR valve flow calibration. 3. Catalytic converter system. a.
Active surface area. b. Volume of catalyst. c. Conversion
efficiency. 4. Backpressure. VIII. Crankcase Emission Control
System. 1. Control parameters and calibrations. 2. Valve
calibrations. IX. Auxiliary Emission Control Devices (AECD). 1.
Control parameters and calibrations. 2. Component calibration(s).
X. Evaporative Emission Control System. 1. Control parameters and
calibrations. 2. Fuel tank. a. Volume. b. Pressure and vacuum
relief settings.