Category Archives: ISX11.9 CM2250 – Service Manual

Cummins ISX11.9 CM2250 – Service Manual 018-009   Capscrew Markings and Torque Values

Table of Contents General Information Capscrew Markings and Torque Values – Metric Capscrew Markings and Torque Values – U.S. Customary General Information TOC  CAUTION  When replacing capscrews, always use a capscrew of the same measurement and strength as the capscrew being replaced. Using the wrong capscrews can result in engine damage. Metric capscrews and nuts… Read More »

Cummins ISX11.9 CM2250 – Service Manual 018-014   Weights and Measures – Conversion Factors

Table of Contents Conversion Chart Conversion Chart TOC Quantity U.S. Customary Metric From U.S.CustomaryTo MetricMultiply By From MetricTo U.S.CustomaryMultiply By   Unit Name Abbreviation Unit Name Abbreviation     Area sq. inch in2 sq. millimeters mm2 645.16 0.001550     sq. centimeters cm2 6.452 0.155 sq. foot ft2 sq. meter m2 0.0929 10.764 FuelConsumption pounds… Read More »

Cummins ISX11.9 CM2250 – Service Manual 018-010   Fraction, Decimal, Millimeter Conversions

Table of Contents Conversion Chart Conversion Chart TOC Fraction inch mm Fraction inch mm 1/64 0.0156  0.397 33/64 0.5156 13.097 1/32 0.0313  0.794 17/32 0.5313 13.494 3/64 0.0469  1.191 35/64 0.5469 13.891 1/16 0.0625  1.588 9/16 0.5625 14.288 5/64 0.0781  1.984 37/64 0.5781 14.684 3/32 0.0938  2.381 19/32 0.5938 15.081 7/64 0.1094  2.778 39/64 0.6094… Read More »

Cummins ISX11.9 CM2250 – Service Manual 018-026   Diesel Exhaust Fluid Recommendations and Specifications

Table of Contents General Information Storage Handling Disposal Test Contamination/Incorrect Fluid Freezing General Information TOC  WARNING  It is unlawful to tamper with or remove any component of the aftertreatment system. It is also unlawful to use a Diesel Exhaust Fluid (DEF) that does not meet the specifications provided or to operate the vehicle/equipment with no… Read More »

Cummins ISX11.9 CM2250 – Service Manual 018-023   Engine Testing

Table of Contents Specifications Intake Restriction (maximum at advertised horsepower) Exhaust Back Pressure (maximum) Oil Pressure Coolant Pressure Coolant Temperature Fuel Temperature Fuel Restriction Specifications TOC Maintain the following limits during the engine test and run-in procedures: Due to variations in ratings of different engine models, use the specific Engine Rating Data Sheet for the… Read More »