damage to components such as mounting brackets, fan and shroud, etc.3.Obtain In-Chassis Engine Performance Data.4.Pressure test air induction system.5.Obtain a sample of the crankcase oil and submit for analysis. NOTE: If sample Is not submitted under OLAprogram and local laboratory is used, it will be necessary for you to specify type of analysis required.6.Obtain a coolant sample and hold pending inspection of engine components after disassembly, as condition willdictate if this sample should be discarded or analyzed.PRIOR TO DISASSEMBLY OF ENGINE1. Pressure check engine cooling system for leaks as follows:a.Drain all lube oil and coolant from engine and radiator.b.Disconnect the radiator from the engine and cap off all the engine connections (with hose clamps and plugs).c.Disconnect the unit’s cab heater connections at the engine and plug engine openings.d.Disconnect and remove air discharge pipe from turbocharger to intercooler (if equipped).e.Disconnect and leave open oil supply return line to crankcase from air compressor (if equipped).f. Remove all valve covers, push rod or valve lifter side inspection covers, lube oil pan and oil drain plug fromlube oil cooler.NOTE: DO NOT REMOVE ANY INJECTION NOZZLES FROM CYLINDER HEAD.g.Fill engine with water and attach an air line connection coupled with a regulator assembly to water drain incylinder block.h.Pressurize the crankcase cooling system to 50 psi. Pressure must be maintained until leakage location isevident.NOTE: NO EXTERNAL OR INTERNAL WATER LEAKAGE IS ALLOWABLE.CGES-185-3PRINTED IN UNITED STATES OF AMERICAPage 34
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