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TM 9-2320-364-34-4
20-149
Materials/Parts
Valve, Seat (Item 687, Appendix E)
This task covers:
a. Disassembly
c. Assembly
b. Cleaning/Inspection
d. Follow-On Maintenance
INITIAL SETUP
Equipment Condition
Cylinder head disassembled, (Para 20-49)
Tools and Special Tools
Tool Kit, General Mechanic’s
(Item 240, Appendix F)
Gage, Dial (Item 74, Appendix F)
Grinding Kit, Valve Seal (Item 84, Appendix F)
Installing Tool, Valve (Item 125, Appendix F)
Remover, Valve Seat (Item 194, Appendix F)
20-52. VALVE SEAT INSERT REPAIR.
Tools and Special Tools - Continued
Wooden Block (2) (Appendix C)
a.
Disassembly.
NOTE
There are 16 valve seat inserts in each cylinder head. All valve seat inserts are removed the
same way.
(1)
Position cylinder head (1), machined side up, on wooden blocks.
(2)
Using collet and puller assembly, remove and discard valve seat insert (2) from counterbore (3) of
cylinder head (1).
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