TM-5-4310-389-14 Table F-1.  Tightening Table for Bolts and Nuts Tightening Part Number Pre-loading 1st 2nd 3rd 4th Designation or Thread Nm Stage Stage Stage Stage Max ENGINE Bolt, Cylinder head *210 1681 40 45° 45° 45° 30° 165° Nut, Connecting rod M12x1.5x55 30 30° 60° -- -- 90° Bolt, Bearing cap (main) M14x110 30 45° 60° -- -- 105° Nut, Rocker bracket M8x55 -- -- -- -- -- 28 Nm (20.21b-ft) Nut, Flywheel 50 90° 90° -- 180° Nut, Injector clamp M10 -- -- -- -- -- 25 Nm (18 lb-ft) Bolt, V-belt pulley M35x1.5 50 60° -- -- -- 60° Bolt, Cooling blower M12x140 30 30° 60° -- -- 90° Bolt, Adaptor housing *216 4062 30 60° 90° 90° -- 240° Bolt, Oil filter cover *337 1962 -- -- -- -- -- 25 Nm (25 lb-ft) Union nut injector nozzle -- -- -- -- -- 60-80 Nm Bolts, Fastening bearing brackets in crankcase 30 60° -- -- -- 105° Nut, Rocker arm bracket -- -- -- -- -- 28 Nm Bolt-cylinder hd. rocker chamber cover 7 15 Nm Bolt, Cooling blower 30 90° Bolts, Connecting rod 30 60° 90° Bolts, Main bearing 30 60' 105° Bolts, Flywheel 30 30° 60° Bolts, Counterweight 30 30° 60° Nuts, Flywheel 50 180° Bolt, V-belt pulley 50 210° Hex nut injector 25 - 30 Nm Screw cap injector 90 110 Nm Fuel injector pump drive M12 60-70 Nm M14x1.5 60-70 Nm M14x1.5 80-90 Nm F-3