TM 5-3805-261-34ENGINE MAINTENANCE.(cont)3-13. Valves.(Sheet 3 of 8)DISASSEMBLYNOTERemove guides and inserts only if inspectionindicates replacement is necessary.1.Inspect eight guides (5, Figure 3-66). Replaceif cracked, broken, grooved, scored or has aworn bore diameter exceeding 0.3772 inch.2.Using suitable driver and hammer, removebad guides (5) from bottom of cylinder head.3.Inspect four exhaust inserts (6) and intakeinserts (7). Replace if cracked, broken,burned or pitted. Using extractor, remove fourintake inserts (7) along with handle assembly.CLEANINGClean all parts. Refer to Chapter 2.INSPECTIONInspect all parts. Refer to Chapter 2.Go to Sheet 43-80Figure 3-66.
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