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M11 Series – Service Manual – 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 152 mm Hg [6 in. Hg]
Pounds Force 21 kPa [3 psi]

Intake Restriction (Maximum at Advertised Horsepower)

Clean Air Filter 254 mm H20 [10 in. H20]
Dirty Air Filter 635 mm H20 [25 in. H20]
Maximum Exhaust Back Pressure 75 mm Hg [3 in. Hg]

Oil Pressure

Low Idle (minimum allowable) 69 kPa [10 psi]
At 1200 rpm or Torque Peak (minimum allowable) 207 kPa [30 psi]
Maximum Cylinder Block Coolant Pressure (Closed Thermostat) 275 kPa [40 psi]
Maximum Allowable Operating Temperature 100°C [212°F]
Maximum Allowable Fuel Inlet Temperature 71°C [160°F]

Fuel Inlet Maximum Restriction

CELECT™ and CELECT™ Plus

Clean Fuel Filter 152 mm [6 in Hg]
Dirty Fuel Filter 254 mm [10 in Hg]

Fuel Inlet Maximum Restriction

STC

Clean Fuel Filter 102 mm [4 in Hg]
Dirty Fuel Filter 204 mm [8 in Hg]

Fuel Drain Line Maximum Restriction

CELECT™ and CELECT™ Plus 89 mm Hg [3.5 in Hg]

Fuel Drain Line Maximum Restriction

STC

Without Check Valves 63 mm Hg [2.5 in Hg]
With Check Valves 165 mm Hg [6.5 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 H20 [12 in. H20]

Blowby* (Maximum at Advertised Horsepower)

Used Engines (maximum)

(over 160,000 km [100,000 miles] or 3600 hours) 460 mm H20 [18 in. H20]

Blowby checking tool, Part No. 3822566, has a special 7.67 mm [0.302-inch] orifice that must be used to be certain an accurate reading is obtained.
Last Modified:  25-May-2007
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