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SERIES 638 OPERATING CONDITIONS

The typical operating conditions for the Turbotronic 638 engine are listed in Table and listed in Table . Any variations from the conditions as listed may indicate an abnormal situation in need of correction. Be sure that the readings represent true values and the instruments are accurate before attempting to make corrections to the engine. This data represents rated conditions. Actual data may be influenced by environmental conditions. ‪

Parameter Limits

Operating Conditions at 3800 r/min

Operating Conditions at3800 r/min

Lubricating oil pressure (at rated speed)-kPa (lb/in. 2 ) ‪

Not Available ‪

Not Available ‪

Minimum oil pressure for safe operation (idle) kPa (lb/in. 2 ) ‪

Not Available ‪

Not Available ‪

In gallery oil temperature, maximum - C ( F) ‪

Not Available ‪

Not Available ‪

Oil flow-liters/minute (gallons/minute) ‪

Not Available ‪

Not Available ‪

Oil pan capacity: High-liters (quarts) ‪

Not Available ‪

Not Available ‪

Oil pan capacity: Low-liters (quarts) ‪

Not Available ‪

Not Available ‪

Total engine oil capacity (with filters)-liters (quarts) ‪

Not Available ‪

Not Available ‪

Turbotronic 638 Lubrication System Parameters

Air, Fuel and Cooling System Parameter Description

Operating Conditions at 1200 r/min

Operating Conditions at 3800 r/min

Air System

Air Inlet restriction full load, maximum - kPa (in. H 2 O): ‪

Dirty air cleaner ‪

Not Available ‪

Not Available ‪

Clean air cleaner ‪

Not Available ‪

Not Available ‪

Crankcase pressure full load, maximum kPa (in. H 2 O) ‪

Not Available ‪

Not Available ‪

Exhaust back pressure, maximum kPa (in. Hg): ‪

Full load ‪

Not Available ‪

Not Available ‪

Maximum allowable temperature rise (ambient air to engine inlet) - C ( F) ‪

Not Available ‪

Not Available ‪

Maximum allowable charge air cooler pressure drop - kPa (in. Hg) ‪

Not Available ‪

Not Available ‪

Fuel System

Fuel pressure at filter outlet - kPa (lb/in. 2 ): ‪

Normal restriction ‪

Not Available ‪

Not Available ‪

Minimum restriction ‪

Not Available ‪

Not Available ‪

Fuel spill minimum at no-load - L/min (gal/min): ‪

Normal with 2.03 mm (0.080 in.) restriction ‪

Not Available ‪

Not Available ‪

Fuel pump suction at pump inlet, maximum - kPa (in. Hg): ‪

Clean system ‪

Not Available ‪

Not Available ‪

Dirty system ‪

Not Available ‪

Not Available ‪

Cooling System

Coolant temperature normal - C ( F) ‪

Not Available ‪

Not Available ‪

Coolant inlet restriction, maximum - kPa (in. Hg) ‪

Not Available ‪

Not Available ‪

Coolant flow at full load speed-L/min (gal/min) ‪

Not Available ‪

Not Available ‪

Engine coolant capacity - liters (quarts) ‪

Not Available ‪

Not Available ‪

Minimum pressure cap - kPa (lb/in. 2 ): ‪

Maximum top tank temperature - C ( F) ‪

Not Available ‪

Not Available ‪

Minimum top tank temperature - C ( F) ‪

Not Available ‪

Not Available ‪

Thermostat: ‪

Start to open - C ( F) ‪

Not Available ‪

Not Available ‪

Fully open - C ( F) ‪

Not Available ‪

Not Available ‪

Turbotronic 638 Air System, Fuel System, and Cooling System Parameters