ARMY TM 9-6115-670-14&P
6-5
6.5. CYLINDER HEAD.
This procedure covers: a. Test
b. Repair
c. Replace
INITIAL SETUP
Tools
General Mechanic's Tool Kit
(Item 1, Appendix B)
Torque Wrench
(Item 2, Appendix B)
Depth Gauge
(Item 44, Appendix B)
Shop Equipment, Semitrailer Mounted,
Electrical Repair
(Item 3, Appendix B)
Surface Grinder
(Item 37, Appendix B)
Gloves, Chemical and Oil Protective
(Item 19, Appendix B)
Equipment Conditions
Water flange removed (para 6.33.).
Injection nozzle assembly removed (para 5.13.).
Exhaust manifold removed (para 5.34.).
Intake manifold removed (para 5.35.).
Push rods removed (para 6.4.).
Materials/Parts
Lubrication Oil
(Items 10-13, Appendix F)
Cylinder Head
Cylinder Head Gasket
(Item 2, Appendix J)
Inspection Penetrant Kit
(Item 8, Appendix F)
TEST
a. Remove cylinder head from engine block (perform steps a - d of REPLACE).
b. Test cylinder head flatness. Proceed as follows:
(1) Clean cylinder head thoroughly.
(2) Place a straight edge along one side of cylinder head.
(3) Use a feeler gauge to measure clearance between cylinder head and straight edge.
Allowable limit is 0.0020 in. (0.05 mm).
WARNING
Compressed air shall not be used for cleaning
purposes except where reduced to less than 29
pounds per square inch gauge (psig) (199.94 kPa)
and then only with effective chip guarding and
personnel protective equipment. Compressed air is
dangerous and can cause serious bodily harm if
protective means or methods are not observed to
prevent chip or particle (of whatever size) from being
blown into the eyes or unprotected skin of the
operator or other personnel.
