TM 9-2320-366-34-4
20-3. CYLINDER HEAD REPAIR
This task covers:
a. Disassembly
c. 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 78, Appendix B)
Lifter, Valve Spring (Item 40, Appendix B)
Tool Kit, Valve Seat Ring Inserter (Item 79,
Appendix B)
Goggles, Industrial (Item 28, Appendix B)
Gloves, Rubber (Item 26, Appendix B)
Drill, Electric Portable (Item 21, Appendix B)
Tool Kit, Sleeve Repair (TM 9-2320-366-20)
Press, Arbor, Hand Operated (Item 48, Appendix
B)
Compressor Unit, Reciprocating (Item 15,
Appendix B)
Gun, Air Blow (Item 30, Appendix B)
Hose Assembly, Nonmetallic (Item 35, Appendix
B)
Cleaner, Steam, Pressure Jet (Item 14, Appendix
B)
Tools and Special Tools
Degreaser, Portable Liquid Type (Item 18, Appendix
B)
Caliper Set, Micrometer, Inside (Item 10, Appendix
B)
Straight Edge (Item 71, Appendix B)
Grinding Kit, Valve Seat (Item 29, Appendix B)
Materials/Parts
Solvent, Dry Cleaning (Item 83, Appendix C)
Carbon Removing Compound (Item 18, Appendix C)
Protector, Hearing (Item 57, Appendix C)
Compound, Antiseize (Item 12, Appendix C)
Grease, Molybdenum (Item 37, Appendix C)
Lubricating Oil, Engine (Item 45, Appendix C)
Rag, Wiping (Item 60, Appendix C)
Sealing Compound (Item 76, Appendix C)
Packing, Preformed (3) (Item 245, Appendix F)
Plug, Expansion (2) (Item 341, Appendix F)
Primer, Sealing Compound (Item 56, 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
