TM 9-2320-289-343-7. CYLINDER HEAD REMOVAL (Con’t)..NOTEIf replacing cylinder head, ensure that ail glow plugs, switches (seeTM 9-2320-289-20), fuel injector nozzles (see paragraph 3-5), and valves(see paragraph 3-8) are removed from damaged cylinder head andinstalled in new cylinder head.4.Inspect cylinder head (5) for cracks between each intake port (8) and exhaust port (10).Inspect cylinder head where cylinder head gasket will be installed for nicks, heavy scratches,or other damage. Replace cylinder head if any of these conditions exists.5.Using straightedge (12) and feelergage (11 ), measure cylinder head(5) for warpage. If warped more than0.006 in. (O. 15 mm) lengthwise or0.003 in.(0.08 mm)widthwise,replace cylinder head.6.Check each prechamber (9) forproper installation. Prechamber mustnot be recessed in cylinder head (5).Prechamber should protrude fromsurface of cylinder head no morethan 0.002 in. (0.05 mm) at anypoint, Using straightedge (12) andfeelergage(11),takethismeasurement at two or more pointson each prechamber. If prechamberprotrudes too far, tap into place withsocket and light mallet. If prechamberis recessed or damaged, performstep 7.TA506343 - 2 2
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