SERVICE MANUALInspect the flanges that mate to the compressorhousing for nicks or gouging.The flanges must be smooth to provide properclearance for compressor wheel and turbine wheel.Replace the housing if the bores are scored orshow signs of excessive wear.REASSEMBLYWhen lubricating of parts is specified, use thesame type oil as used in the engine.DT-466 TURBOCHARGER(Reference numbers in parenthesis refer toFigure 7, unless otherwise specified.)1.If the inboard bearing retainers (18) wereremoved, use a sharp pick to install newretainers into their grooves in the bore of thecenter housing. Insure the retainers are properlyseated in the grooves.2.Lubricate the housing bearings (19) with cleanengine oil and push them into the bores untilthey seat against the retainers (18). Install newouter retainers (18) after installing bearings.3.Install the piston ring (14) into the groove on theshaft (25).4.Place the shroud (24) over the turbine end of thecenter housing. Carefully insert the shaft (25)through the shroud and center housing.5.Install a new seal ring onto the thrust collar (Fig.20). Install the thrust washer onto the collar withthe flat surface of the washer next to the largediameter of the collar (Fig. 21).6.Install the thrust collar and washer over the shaft(25), thrust washer first and engage the holes inthe washer with the anti-rotating pins (Fig. 18) inthe center housing.Fig. 211. Thrust Washer2. Thrust Collar7.Install a new seal ring (13) into the groove in thecompressor side of the center housing.8.Insure the thrust spring is correctly seated in theback plate (Fig. 22).Fig. 22. Thrust Spring In Back Plate1. Back Plate2. Thrust SpringCTS-4104PRINTED IN UNITED STATES OF AMERICAPage 15
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