M11 – 010-033   Turbocharger

Remove

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Remove the intake and exhaust pipes from the turbocharger.

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Remove the oil supply line from the turbocharger.

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Remove the oil drain line from the turbocharger.

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NOTE: Some engine applications use water-cooled turbochargers.

If a water-cooled turbocharger is used, drain the cooling system, and remove the water supply and return lines from the turbocharger.

 
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Loosen the hose clamps on the aftercooler air inlet connection.

Remove the four turbocharger mounting nuts.

Remove the turbocharger and gasket.

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Clean and Inspect for Reuse

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Clean the turbocharger and exhaust manifold gasket surfaces.

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Every 6000 hours, inspect the turbocharger. Remove the air intake and the exhaust piping. Check the turbocharger as follows:

  • Look for damaged or cracked compressor or turbine blades. Check to see that the turbocharger shaft spins freely.

If inspections or dimensional checks indicate a problem, contact a Cummins Authorized Repair Location for assistance. Refer to the model number on the turbocharger dataplate.

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Install

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NOTE: The torque values given have been established using anti-seize compound as a lubricant.

Apply a film of high temperature anti-seize compound to the turbocharger mounting studs.

Use a new gasket and install the turbocharger.

Install and tighten the four mounting nuts.

Torque Value:  61  n.m  [45 ft-lb]

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NOTE: Some engine applications use water-cooled turbochargers.

If a water-cooled turbocharger is used, install the water supply and return lines to the turbocharger.

 
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Install and tighten the turbocharger oil drain line.

Torque Value:  27  n.m  [20 ft-lb]

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Pour 50 to 60 cc [2.0 to 3.0 ounces] of clean 15W-40 engine oil in the turbocharger oil supply line fitting.

Install and tighten the turbocharger oil supply line.

Torque Value:   20  n.m  [15 ft-lb]

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Install the intake pipe and tighten the clamp.

Install the exhaust pipe and tighten the clamp.

Torque Value:  8  n.m  [72 in-lb]

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If a water-cooled turbocharger is used, fill the cooling system. Refer to Procedure 008-018 (Cooling System) in Section 6.

Operate the engine and check for air leaks.

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Last Modified:  09-Dec-2004