TM 10-3930-669-20 Table E-1.  Torque Specifications - CONT. Preloading Angle in Degrees or Total Torque Values Application Ib-ft N•m Stage 1 Stage 2 Stage 3 Stage 4 Degree lb-ft N•m Connecting rod 22 30 60° 30° - - 90° - - Bearing cap 22 30 60° 45° - - 105° - - Idler gear 22 30 60° - - - 60° - - Flywheel screws 22 30 30° 30° - - 60° - - Balance weight 22 30 30° 30° - - 60° - - Flywheel nuts 37 50 90° 90° - - 180° - - Injection nozzle - - - - - - - 18.5-22 25-30 Fuel injection pump - - - - - - - 44-52 60-70 drive nut Fuel injector cap nut - - - - - - - 44-59 60-80 V-belt pulley 37 50 210° - - - 210° - - Cooling blower 22 30 90° - - 90° Filter carrier 18.5 25 30° 60° 60° - 150° - - Oil pump retaining - - - - - - - 26 35 screw Oil connecting pipe 80 - - - - - 59 (+15) 80 (+20) union screw Alternator 22 30 180' - - - 180° - - Idler pulley 22 30 45° - - - 45° - - Engine suspension 22 30 45° 60° - - 105° - - Pump stud nuts 3/8-16 - - - - - - - 17-19 23-26 Pump stud nuts 1/2-13 - - - - - - - 40-42 54-57 Discharge and suction - - - - - - - 44-48 60-65 valve fasteners Impeller bearing - - - - - - - 21 28 cap screws Impeller shaft bushing - - - - - - - - 12 16 set screw Intermediate bracket - - - - - - - 21 28 seal plate nuts Exhaust pipe locking 15 20 26 lb-ft 37 lb-ft - - - 37 50 nuts (35 N•m)   (50 N•m) E-3