Engine Testing - Specifications Section 14 - Engine Testing - Group 14 M11 Page 14-18 Engine Testing - Specifications Maintain the following limits during the engine test/run-in procedures: Due to variations in ratings of different engine models, refer to the specific ‘‘Engine Data Sheet’’ for the particular engine model being tested. Charge Air Cooler Restriction (Maximum) ................................................................ 152 mm Hg [6.0 in. Hg] 21 kPa [3.0 psi] Intake Restriction (Maximum at Advertised Horsepower) Clean Air Filter .............................................................................................. 254 mm H 2 0 [10.0 in.
H 2 0] Dirty Air Filter ................................................................................................ 635 mm H 2 0 [25.0 in. H 2 0] Exhaust Back Pressure (Maximum at Advertised Horsepower) ................................. 75 mm Hg [3.0 in. Hg] Blowby* (Maximum at Advertised Horsepower) New or rebuilt engines (maximum) (less than 160,000 km [100,000 miles] or 3600 hours) ................. 305 mm H 2 0 [12.0 in. H 2 0] Used Engines (maximum) (over 160,000 km [100,000 miles] or 3600 hours) ........................ 460 mm H 2 0 [18.0 in. H 2 0] Oil Pressure Low Idle (minimum allowable) .......................................................................................
69 kPa [10.0 psi] At 1200 RPM or Torque Peak (minimum allowable) ........................................................ 207 kPa [30 psi] Fuel Inlet Restriction measured at fuel pump inlet (Maximum at Advertised Horsepower) Clean Fuel Filter ....................................................................................................... 152 mm [6.0 in Hg] Dirty Fuel Filter ....................................................................................................... 254 mm [10.0 in Hg] Maximum Allowable Fuel Inlet Temperature ........................................................................
71°C [160°F] Fuel Drain Line Restriction (Maximum at Advertised Horsepower) ............................. 89 mm Hg [3.5 in Hg] Due to variations in ratings of different engine models, refer to the specific ‘‘Engine Data Sheet’’ for the particular engine model being tested. Blowby checking tool, Part No. 3822566, have a special 7.67 mm [0.302-inch] orifice that must be used to be certain an accurate reading is obtained.