TM 5-4310-379-145-19.Cylinder Head (Cont).b.Install. (figure 5-21)(1)Ensure all gasket surfaces are clean and old gasket material removed.(2)Install exhaust valves (para. 5-18).(3)Install two valve cover studs (1).NOTELeave 1 1/2 threads exposed when applying teflon tape. Wrap teflon tape in the direction that will notunwrap as fitting is tightened. Failure to wrap teflon tape properly or having it extend past the end of thefitting may cause a blockage in the fuel system.(4)Apply teflon tape on threads on elbows (2).(5)Install two elbows (2).(6)Install lifting bracket (3) and gasket (4) and secure with three screws (5) and lockwashers (6).(7)Install thermostat housing (7) and gasket (8) and secure with three screws (9) and lockwashers (10).Torque screws to 46-50 Ib-ft (62-68 Nm).(8)Install compression gasket (11) and oil seal gasket (12) on cylinder block (13).(9)Install two studs, approximately 6 in. (15.24 cm) long, into two diagonally opposite bolt holes in cylinderblock (13).(10)Connect lifting device to cylinder head (14) and install on cylinder block (13) being careful not to movegaskets (11) and (12).(11)Install four bolts (15) and finger tighten.(12)Remove two studs and install remaining two bolts (15).(13)Tighten six bolts (15) one half turn at a time in the order shown in figure 5-21 until all bolts (15) are torquedto 170-180 lb-ft (231-244 Nm).(14)Install six push rod seats (16) and (17).(15)Install valve operating mechanism (18) and secure with two bolts (19) and lockwashers (20). Torque boltsto 30-35 Ib-ft (41-47 Nm).(16)Install valve operating mechanism (21) and secure with two bolts (22) and lockwashers (23). Torque boltsto 30-35 lb-ft (41-47 Nm).Change 1 5-68
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