SERVICE MANUALLUBRICATING OIL PUMP, OIL FILTERS & COOLERSection 8REMOVALRemove the Lubricating 011 Pump as follows:1.Remove the vibration damper as described inSection 1.2.Remove the bolts and washers securing thepump housing to the front cover.NOTE: Whenever the oil pump housing is removedfrom the crankcase front cover, be careful not to mixthe six oil pump housing cap screws with any otherhardware. These cap screws have a nylon pelletmounted in the threads to seal through tapped holeswhich go into the oil cavity. behind the crankcasefront cover. Installation of cap screws not soequipped will result in oil leaks at these points. Theleaks will not be obvious until after the engine hasbeen put back into service. To prevent the possibleloss of the cap-screw sealing characteristic, the capscrews should not be used more than two or threetimes.3.Remove the pump housing (5, Fig. 4) with theouter rotor (6) and "O" ring (4) from the frontcover.4.Remove the inner rotor (1, Fig. 7), housing plate(2) and "O" ring (3), as shown.Figure 7. - Removing Inner Rotor and Housing Plate1.Inner rotor2.Housing plate3."O" ring/seal ring5.Remove the seal washer (2, Fig. 7) from thecrankshaft (if equipped).Figure 8. - Crankshaft Seal Washer1. Crankshaft spline2. Seal washer3. Vibration damper4. CrankshaftRemove the Oil Filters as Follows:1.Clean the filter elements and base with dieselfuel before removing.2.Disconnect the Turbocharger oil-supply line (ifequipped) at the filter base.3.Remove the six bolts securing the filter base tothe crankcaseNOTE: Whenever the oil filter base is removed fromthe crankcase, be careful not to mix the capscrewswith any other hard- ware. These special screws arenecessary to prevent oil leaks as one of the boltholes connects with an oil pressure gallery.4.Remove the filter base with the elementsattached.5.Remove base gasket.Remove the Oil Cooler as follows:1.Drain the cooling system2.Drain the lubrication system.3.Remove the four screws securing the cooler tothe crankcase.4.Remove the cooler by pulling towards the rear ofthe engine.CGES-185-3PRINTED IN UNITED STATES OF AMERICAPage 7
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