TM 5-2420-230-24-2
L-43. CYLINDER HEAD REPAIR.
This Task Covers:
a. Disassembly
b. Cleaning
c. Inspection
d. Repair
e. Assembly
f. Follow-On Maintenance
INITIAL SETUP
Test Equipment
Materials/Parts (Cont.)
None
Scotch brite pad, Item 53, Appendix C
Solution, soap, Item 56, Appendix C
Tools and Special Tools
Valve collets, Item 268, Appendix D (12)
Brush, injector cleaning, Item 3, Appendix B
Personnel Required
Cup plug driver, Item 21, Appendix B
MOS 62B, Construction Equipment Repairer
Gauge depth dial indicating, Item 24, Appendix B
Tool kit, common no. 2, Item 36, Appendix B
References
Tool kit, general mechanics, Item 38, Appendix B
None
Materials/Parts
Equipment Conditions
Compound, valve lapping, Item 17, Appendix C
TM or Para
Condition Description
Dykem steel blue, Item 28, Appendix C
Cylinder head removed.
JP-8, Item 69, Appendix C
Drawings Required
Loctite 277, Item 26, Appendix C
TM 5-2420-230-24P Figure 11
O-Ring, Item 135, Appendix D (12)
Oil, lubricating, GO-90, Item 42, Appendix C
Estimated Time to Complete
Paper, abrasive, Item 49, Appendix C
Refer to MAC in Appendix B
a. Disassembly.
Refer to page L-269 for disassembly.
b. Cleaning.
No smoking, flames, sparks, or glowing or hot objects allowed within 50 ft. (15 m) of vehicle.
Failure to comply may result in injury or death to personnel.
To prevent possible injury, wear gloves and protective eye equipment when handling fuel. Failure
to comply may result in injury or death to personnel.
Keep a fire extinguisher within easy reach when working with fuel or on a fuel system.
Refer to page L-270 for cylinder head cleaning.
c. Inspection.
(1)
Refer to page L-272 for valve inspection.
(2)
Refer to page L-274 for cylinder head combustion face inspection.
(3)
Refer to page L-274 for valve seat inspection.
(4)
Refer to page L-275 for valve spring inspection.
Change 1