TM 5-3895-382-24Illustration 18Bolt tightening sequence for the cylinder head.Use the following procedure in order to tighten thecylinder head bolts:1.Put engine oil on the threads of the bolts and the nuts.Tighten bolts (1) through bolts (22) in a numericalsequence in Illustration 18.Toque for the bolts .................................110 Nm (81 lb-ft)2.Tighten bolts (1) through bolts (2) again in a numericalsequence.Torque for bolts ......................................110 Nm (81 lb-ft)3.Rotate bolts (1) through bolts (22) in a numericalsequence to the following values:a.Tighten the bolts of short length "S" to the followingvalue.Rotate the bolts in a clockwisedirection:....................................................150 degreesb.Tighten the bolts of medium length "M" to thefollowing value.Rotate the bolts in a clockwisedirection: ...................................................180 degreesc.Tighten the bolts of long length "L" to thefollowing value.Rotate the bolts in a clockwisedirection:....................................................210 degreesIllustration 19Bolts, nuts, and components of the cylinder head.(1) Tighten the nuts that hold fuel injectors to thefollowing torque: .......................................12 Nm (10 lb-ft)NOTE: When the fuel injection nozzle is removed, thefollowing items must be replaced: dust seal andseat washer.(2) Tighten the nuts for fuel line to the followingtorque:.........................................................18 Nm (13 lb-ft)(3) Tighten the bolts that hold the rocker shaft to thecylinder head to the following torque:Begin tightening the inner bolts. Then tighten the boltsby working toward the end of the shaft.Cast iron or steel bracket ................75 Nm (55 lb-ft)Aluminum bracket ............................40 Nm (30 lb-ft)(4) Valve lashInlet .......................................................0.20 mm (.008 inch)Exhaust.................................................0.45 mm (.018 inch)(5) Maximum permissible nozzle projection belowcylinder head face after resurfacing ....................4.45 mm(.175 inch]Maximum allowance for resurfacing ...............................0.30 mm................................................................................ (.012 inch)(6) Depth of new cylinder head .............102.79 to 103.59 mm(4.047 to 4.078 inchMinimum depth of cylinder head afterresurfacing ...................................................................... 102.48 mm(4.035 inch5-17
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
