TM 10-4320-344-244.4.16 Camshaft Maintenance, Model 609-A. (Continued)e .If camshaft (10) is damaged or does not meet the dimensional tolerances,replace camshaft (10) .f .Inspect all mounting hardware for damage.g .Replace all defective or damaged components.h.Refer to paragraph 4.4.21 and replace camshaft bearings (12).4.4.16.3 Installation.a .Install thrust plate (8) on camshaft (10).b .Install new woodruff key (11) on camshaft (10).c .Install new camshaft gear (6) on camshaft (10).d .Install nut (9) on camshaft (10). Torque nut (9) to 130 ft-lbs (176 N•m).To avoid damage to equipment, ensure valve tappets are installed in theiroriginal cylinders block holes.e .Remove tags and insert valve tappets (1) into their respective holes in engineblock (3). Push valve tappets (1) all the way in, so they will clear camshaftassembly (2).Carefully remove camshaft assembly through bearings located in engine block.Failure to obey this caution may result in damage to the equipment.f .Lightly coat camshaft assembly (2) with engine assembly grease and carefullyinstall camshaft assembly (2) into engine block (3).Figure 4-29. Crankshaft and Camshaft Timing Marks, Model 609-A.g. Align camshaft gear timing mark (Figure 4-29, 1) with crankshaft gear timingmark (2).4-58
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