63 4 DLT ENGINE ENGINE ASSEMBLY PROCEDURE Fit piston Cooling nozzles. Fit drive shaft spigot bearing and oil pump drive sprocket gear on crankshaft using suitable drift. Install thrust washers in crankcase at their respective location on 4th Main bearing sides. Apply light coat of engine oil to main bearing shells and main journals. Install crank shaft. Install thrust washer on 4th main bearing cap sides. Install 4th main bearing cap with shells and thrust washer in its position on crank case. Install 1st, 2nd and 3rd main bearing caps with shells in their respective position on crank case. Clean the grooves of 5th main bearing cap and make it free from oil and grease. Apply a thin layer of maxifix adhesive-S758 (Dunlop make) in the groove and allow it to dry for 10 minutes. Assemble both the side seals on 5th main bearing cap - Refer Figure 116 avoiding air bubbles and press firmly. Cut off the extra length of side seal keeping 2 mm projection above cap height. Apply ANABOND 611 between mating faces of 5th main bearing cap and cylinder block. Install 5th main bearing cap with shell and side seal in its position on crank case. While installing ensure that - Side seals are not getting cut or dislodged from its position on 5th main bearing cap. - Thrust washers are not dislodged from their seat in crank case and 4th main bearing cap. - Bearing shell lugs are on same side. Tighten main bearing cap mounting bolts evenly and uniformly to specified torque. (First 3rd cap, next 4th and 2nd, lastly 5th and 1st) Refer Figure 117 Check that end float of crank shaft is within specified limits. Refer Figure 118 Fig. 116 Fig. 117 Fig. 118
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