Quantcast FIGURE 4-52.  CYLINDER HEAD CAPSCREW TORQUE SEQUENCE - TM-9-2815-259-24_159

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ARMY TM 9-2815-259-24 AIR FORCE TO 38G1-125-2 MARINE CORPS 09249A/09246A-24 4-79 (5)    Position new cylinder head gasket on cylinder block.  Do not use sealant; install dry. CAUTION O-Ring seals in head gasket can be damaged if head is repositioned while resting on engine block.  Always use guide studs to position cylinder head on block.  Failure to comply could result in cylinder head gasket failure. (6)     Using adequate lifting device, position cylinder head over guide studs and carefully lower cylinder head onto cylinder block. NOTE Prior to installing capscrews in cylinder block, dip entire capscrew in clean engine oil.  Remove excess oil from capscrew. (7)     Install several capscrews (1, Figure 4-49) finger tight.  Remove guide studs.  Install remaining capscrews finger tight. (8)     Tighten all capscrews (1) in sequence shown in Figure 4-52, beginning with No. 1, to 75 lb-ft (100 Nm). (9)     Using the same sequence repeat step 8, this time tightening all capscrews (1) to 110 lb-ft (150 Nm). FIGURE 4-52.  CYLINDER HEAD CAPSCREW TORQUE SEQUENCE


 


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