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CUMMINS N14 Especificações Página 446

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General Engine Test/Run-In 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) ................................................................... 102 mm Hg [4.0 in. Hg]
14 kPa [2.0 psi]
Intake Restriction (Maximum at Advertised Horsepower)
• Clean Air Filter ................................................................................................... 38.0cm H
2
0 [15.0 in. H
2
0]
• Dirty Air Filter ..................................................................................................... 63.5cm H
2
0 [25.0 in. H
2
0]
Exhaust Back Pressure (Maximum at Advertised Horsepower) ..................................... 7.5cm 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) ..................... 30.5 cm H
2
0 [12.0 in. H
2
0]
• Used Engines
(maximum) (over 160,000 km [100,000 miles] or 3600 hours) ............................ 46.0 cm H
2
0 [18.0 in. H
2
0]
Oil Pressure
• Low Idle (minimum allowable) .......................................................................................... 70 kPa [10.0 psi]
• At 1200 RPM or Torque Peak (minimum allowable) .......................................................... 205 kPa [30 psi]
• At Advertised RPM ........................................................................................ 241 to 310 kPa [35 to 45 psi]
Fuel Inlet Restriction measured at fuel pump inlet (Maximum at Advertised Horsepower)
• Clean Fuel Filter (STC Engine) ................................................................................... 102 mm [4.0 in. Hg]
• Dirty Fuel Filter (STC Engine) ..................................................................................... 203 mm [8.0 in. Hg]
• Clean Fuel Filter (CELECT™ Engine) ............................................................................ 127 mm [5.0 in Hg]
• Dirty Fuel Filter (CELECT™ Engine) .............................................................................. 228 mm [9.0 in Hg]
Fuel Drain Line Restriction (Maximum at Advertised Horsepower)
• With Check Valves ................................................................................................. 16.5 cm Hg [6.5 in Hg]
• Without Check Valves .............................................................................................. 6.5 cm Hg [2.5 in Hg]
* Blowby checking tool, Part No. 3375150 and 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.
General Engine Test/Run-In Specifications Engine Testing
N14Page 14-6
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Comentários a estes Manuais

Jesus Morales 03 Apr 2025 | 23:07:31

Perfect..

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