TM 9-2815-225-34&P Section II.  ENGINE ASSEMBLY TIGHTENING SPECIFICATIONS PART NAME OR LOCATION LB-FT Nm Main Bearing Capscrews Step 1 Torque to 85 115.3 Step 2 Torque to 250-260 339.0-352.5 Step 3 Loosen all 3 to 5 threads Step 4 Torque to 85 115.3 Step 5 Torque to 250-260 339.0-352.5 Connecting Rod Nut Step 1 Torque to 70-75 94.9-101.7 Step 2 Torque to 140-150 189.8-203.3 Step 3 Loosen all Completely Step 4 Torque to 25-30 33.9-40.7 Step 5 Torque to 70-75 94.9-101.7 Step 6 Torque to 140-150 189.8-203.3 Vibration Damper Mounting Capscrews 180-200 244.0-271.2 Piston Cooling Nozzle Hex-Head Screw NOTE: 100-140 lb-in. 11.3-15.8 Front Cover 45-55 61.0-74.6 Front Support 55 74.6 Cylinder Head Capscrews Step 1 20-25 27.1-33.9 Step 2 80-100 108.5-135.6 Step 3 265-305 359.3-413.5 Valve Crosshead Nuts with ST-669 Adapter 22-26 29.9-35.3 Fuel Fittings NOTE: 150 lb-in. 16.9 Fuel Crossover Capscrews NOTE:  34-38 lb-in. 3.8-4.3 Rocker Lever Housing Capscrews 55-65 74.6-88.1 Injector Adjusting Screw NOTE:  72 lb-in. 8.1 Locknuts with ST-669 Adapter 30-35 40.7-47.5 Valve Locknuts 40-45 54.2-61.0 Rocker Cover Capscrews Cork Gasket 12-17 16.3-23.1 Cork and Rubber Gasket NOTE: 75-95 lb-in. 8.5-10.7 Cam Follower Capscrews 30-35 40.7-47.5 Fuel Pump Front Cover Capscrews 9-11 12.2-14.9 Governor Spring Pack Capscrews 9-11 12.2-14.9 Brass Filter Fittings 30-40 40.7-54.2 Gear Pump Capscrews 11-13 14.9-17.6 Throttle Shaft Plug NOTE: 40-55 lb-in. 4.5-6.2 Fuel Filter Bracket Capscrews 25 33.9 Fuel Pump Mounting Capscrews 30-35 40.7-47.5 Fuel Injector Orifice Plug NOTE:  8-10 lb-in. 10.8-13.6 Oil Pan Captive Washer Screws 35-40 47.5-54.2 Hex-Head Screws 15-20 20.3-27.1 E-3