Quantcast 5.4.11.   CYLINDER HEAD

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ARMY TM 9-2815-259-24 AIR FORCE TO 38G1-125-2 MARINE CORPS 09249A/09246A-24 5-108 5.4.11.   CYLINDER HEAD. NOTE The following procedures require complete access to the engine.  If necessary, remove engine from generator set, refer to TM 9-6115-671-14.   Mount engine on repair stand (NSN 4910-01-016-1835 or equal) as outlined in paragraph 4.10. a.    Disassembly. (1) Remove cylinder head, refer to paragraph 4.7.4.a. __________ WARNING Block cylinder head with a solid block of wood at each end of cylinder head while using spring compressor.  Failure to comply could result in serious personal injury. __________ WARNING Do not stand in front of valve spring while compressing valve springs.   Failure to comply could result in serious personal injury. NOTE Identify all parts for correct assembly.  Use a valve board or other suitable means of keeping valves in order. (2) Using valve spring compressor, compress valve spring (4, Figure 4-52) and remove valve spring retainers (2). (3) Release valve spring (4) tension and remove valve rotator (3) and valve spring (4). (4) Remove valve (10, 11) from cylinder head. (5) Remove valve stem seal (13) from valve guide tower. b.    Repair. NOTE The following procedure is provided for repairing the cylinder head.   Remove cylinder head (refer to paragraph 4.7.4. step a.) and place on a suitable workbench. (1) Inspect valve springs as follows: (a) Inspect valve springs for alignment, wear, and damage.  Replace all defective valve springs.


 


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