ISM, ISMe, and QSM11 – 018-023   Engine Testing

Table of Contents

Specifications

Specifications

TOC

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)

Mercury 89 mm Hg [3.5 in Hg]
Pounds Force 12 kPa [1.7 psi]

Intake Restriction (maximum at advertised horsepower)

Clean Air Filter 254 mm H2O [10.0 in H2O]
Dirty Air Filter 635 mm H2O [25.0 in H2O]
Maximum Exhaust Back Pressure 75 mm Hg [3.0 in Hg]

Oil Pressure

Low Idle (minimum allowable) 69 kPa [10.0 psi]
At 1200 rpm or Torque Peak (minimum allowable) 207 kPa [30 psi]
At Advertised rpm 276 to 345 kPa [40 to 50 psi]
Maximum Cylinder Block Coolant Pressure (closed thermostat) 372 kPa [54 psi]
Maximum Allowable Operating Temperature 100°C [212°F]
Maximum Allowable Fuel Inlet Temperature 71°C [160°F]

Fuel Inlet Maximum Restriction

Clean Fuel Filter 152 mm Hg [6.0 in Hg]
Dirty Fuel Filter 254 mm Hg [10.0 in Hg]

Blowby (maximum at advertised horsepower):

New or Rebuilt Engines (maximum)(less than 160,000 km [100,000 mi] or 3600 hours) 305 mm H20 [12 in. H20]
Used Engines (maximum)(over 160,000 km [100,000 mi] or 3600 hours) 460 mm H20 [18 in H20]

Last Modified:  06-Feb-2009