TM 5-3895-370-14&Pb. Cleaning/lnspection.(1) Clean injector nozzle seats with nylon tube brush.WARNINGCompressed air used for cleaningpurposes will not exceed 30 psi (207kPa). Use only with effective chipguarding and personal protectiveequipment (goggles/shield, gloves,etc).(2)Wash cylinder head in hot water and soap for 30minutes. Rinse and use compressed air to dry.(3)Check cylinder head for nicks, erosion, cracks,and other damage.(4)Polish gasket surface of cylinder head using 400grit waterproof silicon carbide abrasive paper.(5)Check cylinder head deck for distortion asindicated. Distortion can be no greater than0.0039 in. (0.0991 mm) within a 2 in. (50.8 mm)radius (distance A) or no greater than 0.003 in.(0.076 mm) end to end.(6)Check valve guides in cylinder head for scuffingor scoring. Ream valve guides to remove anysurface damage.(7)Measure valve guide bores at positions B and C.Normal measurement is 0.3157 to 0.3185 in.(8.0188 8.0899 mm). If less than normal, reborevalve guide. If greater than normal, replacecylinder head.(8)Clean valve heads with a soft wire wheel.(9)Clean and polish valve stem with crocus cloth.Remark valves according to head location.NOTEWhen replacing old valves, rememberto mark new valves the same forcorrect assembly.(10)Check for abnormal wear on valve heads andstems. Replace valves that are bent or cannotbe ground.5-263
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
