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Centinel System – Repair Manual – 018-023   Engine Testing

Specifications

 TOC

Automotive with CM870

Maintain the following limits during the engine test and run-in procedures:

Due to variations in ratings of different engine models, refer to the specific Engine Rating Data Sheet for the particular engine model being tested.

Charge Air Cooler Restriction (maximum)

Mercury 76.2 mm Hg [3.0 in Hg]
Pounds Force 10.3 kPa [1.5 psi]

Intake Restriction (maximum at advertised horsepower)

Clean Air Filter 254.0 mm H2O [10.0 in H2O]
Dirty Air Filter 635.0 mm H2O [25.0 in H2O]
Exhaust Back Pressure (maximum) 76.2 mm Hg [3.0 in Hg]

Oil Pressure

Low Idle (minimum) 103.0 kPa [15.0 psi]
Oil Pressure Range 241.0 to 276.0 kPa [35.0 to 40.0 psi]
Cylinder Block Coolant Pressure (closed thermostat, maximum) 262.0 kPa [38.0 psi]

Coolant Temperature

Operating Temperature (maximum) 107°C [225°F]
Fuel Inlet Temperature (maximum) 71°C [160°F]

Fuel Inlet Maximum Restriction

Clean Fuel Filter 203.2 mm Hg [8.0 in Hg]
Dirty Fuel Filter 304.8 mm [12.0 in Hg]
Pressure Side Fuel Filter Restriction (maximum) 517.0 kPa [75.0 psi]
Fuel Drain Line Restriction (maximum) 228.6 mm Hg [9.0 in Hg]

Blowby (maximum at advertised or torque peak rpm) with 9-mm [0.354-in] orifice

New or rebuilt engines (maximum) less than 100,000 miles 305 mm H2O [12.0 in H2O]
Used Engine (maximum) greater than 100,000 miles 457 mm H2O [18.0 in H2O]

Automotive With CM871

Maintain the following limits during the engine test and run-in procedures:

Due to variations in ratings of different engine models, refer to the specific Engine Rating Data Sheet for the particular engine model being tested.

Charge Air Cooler Restriction (maximum)

Mercury 76.2 mm Hg [3.0 in Hg]
Pounds Force 10.3 kPa [1.5 psi]

Intake Restriction (maximum at advertised horsepower)

Clean Air Filter 254.0 mm H2O [10.0 in H2O]
Dirty Air Filter 635.0 mm H2O [25.0 in H2O]
Exhaust Back Pressure (maximum) 304.8 mm Hg [12.0 in Hg]

Oil Pressure

Low Idle (minimum) 103.0 kPa [15.0 psi]
Oil Pressure Range 241.0 to 276.0 kPa [35.0 to 40.0 psi]
Cylinder Block Coolant Pressure (closed thermostat, maximum) 331 kPa [48 psi] @ 1600 RPM

Coolant Temperature

Operating Temperature (maximum) 107°C [225°F]
Fuel Inlet Temperature (maximum) 71°C [160°F]

Fuel Inlet Maximum Restriction

Clean Fuel Filter 203.2 mm Hg [8.0 in Hg]
Dirty Fuel Filter 304.8 mm [12.0 in Hg]
Pressure Side Fuel Filter Restriction (maximum) 517.0 kPa [75.0 psi]
Fuel Drain Line Restriction (maximum) 228.6 mm Hg [9.0 in Hg]

Blowby (maximum at advertised or torque peak rpm) with 9-mm [0.354-in] orifice

New or rebuilt engines (maximum) less than 100,000 miles 305 mm H2O [12.0 in H2O]
Used Engine (maximum) greater than 100,000 miles 457 mm H2O [18.0 in H2O]

Last Modified:  11-Dec-2009
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