TM 9-2320-365-34-2
20-3. CYLINDER HEAD REPAIR
This task covers:
a. Disassembly
b. Cleaning
c. Inspection (General)
d. Inspection (Combustion Surface and Top Deck)
e. Assembly
f. Follow-On Maintenance
g. Shipping and Storage of Reconditioned Cylinder
Heads
INITIAL SETUP
Equipment Conditions
Cylinder head removed (para 3-6).
Tools and Special Tools
Tool Kit, Genl Mech (Item 68, Appendix B)
Lifter, Valve Spring (Item 33, Appendix B)
Tool Kit, Valve Seat Ring Inserter (Item 69,
Appendix B)
Goggles, Industrial (Item 25, Appendix B)
Gloves, Rubber (Item 23, Appendix B)
Drill, Electric Portable (Item 18, Appendix B)
Tool Kit, Sleeve Repair (TM 9-2320-365-20)
Press, Arbor, Hand Operated (Item 41, Appendix
B)
Compressor Unit, Reciprocating (Item 12,
Appendix B)
Gun, Air Blow (Item 27, Appendix B)
Hose Assembly, Nonmetallic (Item 29, Appendix
B)
Cleaner, Steam, Pressure Jet (Item 11, Appendix
B)
Tools and Special Tools
Degreaser, Portable Liquid Type (Item 15, Appendix
B)
Caliper Set, Micrometer, Inside (Item 6, Appendix B)
Straight Edge (Item 61, Appendix B)
Grinding Kit, Valve Seat (Item 26, Appendix B)
Materials/Parts
Solvent, Dry Cleaning (Item 81, Appendix C)
Carbon Removing Compound (Item 19, Appendix C)
Protector, Hearing (Item 56, Appendix C)
Grease, Molybdenum (Item 38, Appendix C)
Lubricating Oil, Engine (Item 44, Appendix C)
Rag, Wiping (Item 59, Appendix C)
Sealing Compound (Item 75, Appendix C)
Packing, Preformed (3) (Item 181, Appendix F)
Plug, Expansion (2) (Item 233, Appendix F)
Primer, Sealing Compound (Item 55, Appendix C)
a. Disassembly.
(1) Place cylinder head (1) on flat surface with valve faces
down.
CAUTION
Keep each valve, valve spring, keepers,
spring retainer, valve seal, valve guide, and
valve seat insert together for assembly.
Failure to comply may result in damage to
equipment.
(2) Compress valve spring (2) on No. 1 intake valve (3).
(3) Remove two keepers (4) from valve spring (2).
20-6
Change 1
