TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24  TORQUE LIMIT TABLES 0174 00  WP 0174 00-3  TABLE 1: SPECIAL TORQUE LIMITS (Continued)  DESCRIPTION Torque: inch-pounds  Compression sleeve fitting tube nuts: (Lubrication Note number 4 applies)  Tube o.d. Material  1/8 Plastic w/support (2 F.F.F.T.)  1/4 Plastic w/support (2 F.F.F.T.)  3/8 Steel (1-1/4 F.F.F.T.)  1/2 Steel (1 F.F.F.T.)  75-110  135-150  215-280  470-550  Connecting rod bolt nuts: alternately tighten 100-150, then 600-650  and then the listed torque 1250-1300  Constant torque clamps  Tighten until spring bottoms, then back-off 1 to 1-1/2 turns  Crankcase through-bolts 640  Crankcase-main bearing stud nuts:  1. First tighten all nuts to 500 inch-pounds  2. Then tighten all nuts to listed torque  3. Check stud stretch: Optimal: .019 - .022 inch  4. Tighten nuts as applicable to obtain proper stretch.  5. Do not exceed .024-inch stretch when aligning wire holes.  NOTE  Studs which exceed the stretch limits at less than 700 inch-pounds must  be replaced.  Studs which exceed the stretch limits above 700 inch-pounds must be  loosened and re-subjected to steps 1-5.  Re-torquing any singular stud nut is not allowable. The adjacent stud  nut must also be loosened and re-torqued in sequence.  700-825  Cylinder deck studs (1/2-inch), Installation of 450-1000  Cylinder flange base nuts, Installation of 840-860  Cylinder head oil drain tube to cylinder head (1/2-20 bolts) 275-300  Damper housing oil drain valve 135-150  Damper housing to crankcase (3/8-24 nuts) 225-250  Damper to crankshaft 975-1025  Exhaust manifold support bracket bolt/nut 400-425  Fan adapter to fan cap screws 150-175  Fan adapter to fan drive shaft unit 600-625  Fan clutch slip torque 300-350