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TM 9-2320-364-34-4
20-145
Materials/Parts
Seal, Oil (32) (Item 595, Appendix E)
This task covers:
a. Disassembly
b. Assembly
c. 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)
Installer, Guide, Valve (Item 108, Appendix F)
Remover, Guide, Valve (Item 190, Appendix F)
Wooden Block (2) (Appendix C)
20-50. VALVE GUIDE REPAIR.
a.
Disassembly.
NOTE
All 32 valve guides are removed
the same way. Repeat Steps (1)
and (2) for each valve guide.
(1)
Position cylinder head (1), machined surface
side up, on wooden blocks.
(2)
Using valve guide remover, drive valve
guide (2) out of valve bore (3).
b.
Assembly.
NOTE
All 32 valve guides are installed
the same way. Repeat Steps (1)
through (3) for each valve guide.
(1)
Position cylinder head (1) with machined
side down on wooden blocks.
(2)
Install threaded end of valve guide (2) into
valve guide installer.
NOTE
Valve guide is installed in cylinder
head until valve guide extends above
face of cylinder head 0.67 to 0.71 in.
(17.02 to 18.03 mm).
(3)
Install valve guide (2) in cylinder head (1).
c.
Follow-On Maintenance:
Assemble cylinder head (Para 20-49).
END OF TASK
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