ENGINE 119 Fig. 6 Fig. 7 Fig. 8 INSTALLATION 1 Insert oil pump into crankcase carefully Fig. 6 and tighten mounting screws to specified torque. Fig. 7 2 Install oil sump on crankcase. Use new gaskets, if necessary. When fitting new gaskets, stick gaskets to crankcase with sealing compound. Ensure cloth lined face of gasket is towards oil sump. 3 Connect dipstick tube and air delivery line from vacuum pump to sump. 4 Fill oil in sump upto correct level. DISASSEMBLY OF OIL PUMP 1 Unscrew mounting screws and remove strainer from oil pump cover. Clamp oil pump in a vice. Use soft jaws for clamping. 2 Pull helical drive gear with puller, 312 589 06 33. Fig. 8. Remove woodruff key. 3 Unscrew oil pump housing cover mounting screws. 4 Unscrew oil pressure relief valve cap and remove spring, plunger and plunger body. 5 Remove oil pump driven gear with drive shaft out of oil pump housing. 6 Press out oil pump driven gear from drive shaft. Remove woodruff key. 7 Remove oil pump idler gear from oil pump idler shaft. 8 Press out idler shaft from housing.
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