TM 5-3825-229-14&P6-4. CYLINDER HEAD AND VALVES (cont)b. Installation(cont).NOTEDo not reuse valve stem seals. Each time the valves are removed from cylinder head, a new seal must beused when the valve is installed.(4) Coat inside of valve stem seal (6) with oil (OE/HDO). Push valve stem seal over valve stem and all the waydown onto valve guide flange.CAUTIONDo not remove valve after seal is installed. Valve can be withdrawn only as far as the groove in valvestem. Do not allow valve stem seal to come in contact with groove or seal damage may occur.(5) Using a valve spring compressor, compress each valve spring (4) and retainer (3).(6) Insert valve spring retainer locks (2). Remove valve spring compressor tool. Install valve stem cap (1).(7) Install cylinder head with new gasket (para. 5-7).6-5. TAPPETSTHISTASKCOVERS:a. Removalc. Installationb. InspectionINITIALSETUP:Tools Required:Equipment/Materials Required:Lubricating Oil (Item 10, Appendix E)NomenclatureGeneral MechanicsEquipment Conditions:Tool KitRefConditionsMicrometers5-7Cylinder head removedPersonnel Required: 16-7
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