TM  10-3930-638-24&P 4-2.   ENGINE   MAINTENANCE   (cont) b.  Cylinder  Head  and  Valves  (cont). STEP LOCATION ITEM ACTION REMARKS INSPECTION AND REPAIR (cont) 8 d. Valve face Measure Check as shown below. If runout exceeds (cont) and stem runout 0.002  inch,  replace  valve 9 Cylinder  head a. Intake valve (7) Install  and Check as shown below. If exhaust valve (8) and exhaust check valve recession is more than 0.005 inch, re- valve  (6) recession place valve or valve seat insert. If intake valve recession is more than 0.005 inch, replace intake valve and recheck recession If recession is still more than 0.005 inch, replace  or  resurface  cylinder  head  (mini- mum cylinder head thickness of 3.968 inches must be maintained) 4-14