TM 10-4320-226-14b. Measure length of each cylinder head bolt (11).c. With piston positioned a little before TDC, perform following:(1) Install intermediate ring (20) on block.(2) Install cylinder head (13) on cylinder.(3) Install washers (12) and cylinder head bolts (11), then slightly tightencylinder head bolts.d. Using straight edge, align inlet and exhaust flanges of cylinder heads.e. Tighten head bolts in sequence, as shown in figure 6-1, through first stage45° angle.f. Turn crankshaft through 360° in direction of engine rotation.g.Remove cylinder head (13), and measureat its smallest point.h. When thickness is not between 0.40 andat bottom of cyliner (paragraph 6.6.2)is correct, install cylider head (13).6.6.1.3 Installation.the thickness of the resin core solder0.48 inches (1.0 and 1.2 mm), add shimsand repeat adjustment. When thicknessa.b.c.d.e.f.g.h.i.j=k.l.m.n.o.Install intermediate ring (20).Install cylinder head (13), four washers (12) and cylinder head bolts (11).Tighten head bolts in sequence shown in figure 6-1 and torque in accordancewith appendix G.Install new gaskets (9) and cover plugs (8), then torque plugs in accordancewith Appendix G.Using spring tensioning tool, assemble and compress spring (17) on pushrodcover tube (16).Install cap (18) with open side towards spring.Install new washer (19), with widetube (16).Install new washer (15), with widecover tube (16).Insert spring end of pushrod coverend faceend facetube (16)toward end of pushrod covertoward upper shoulder on pushrodin crankcase hole. Positionupper end of pushrod cover tube (16) with cone in cylinder head (13).Slowly remove spring tensioning tool, while guiding upper end of pushrod covertube (16) into cylinder head (13).Repeat steps e through j for the other tube assembly.Check that upper and lower cover tube washers are properly seated.Install pushrods (10) with cup ends up.Install rocker arm assembly (7) and three nuts (6).Adjust valve clearance, paragraph 4.10.23.6-9
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