TM 10-4320-344-24
4.4.14 Piston and Connecting Rod Assembly Maintenance, Model 609-A.
This task covers:
4.4.14.1 Removal
4.4.14.4 Assembly
4 .
4 .1 4 . 2 D i s a s s e m b ly
4 .
4 .1 4 . 5 I n s t a l l a t i on
4 .
4 .1 4 . 3 R e p a i r
INITIAL SETUP
Tools
General Mechanic’s Automotive Tool Kit,
Appendix B, Section III, Item 1
Goggles, Appendix B, Section III,
Item 2
Torque Wrench, Appendix B, Section III,
Item 2
Vise, Appendix B, Section III, Item 2
Inside Micrometer, Appendix B, Section
I I I , Item 3
Micrometer, Appendix B, Section 111,
I t e m 3
Piston Ring Expander, Appendix B,
Section III, Item 3
Ridge Reamer, Appendix B, section
III, Item 3
Material/Parts
Brush, Appendix C, Item 5
Abrasive Cloth (Emery), Appendix C ,
Item 8
Material/Parts (Continued)
Gloves, Appendix C, Item 11
Engine Assembly Grease, Appendix C,
Oil, Appendix C, Item 15
Rags, Appendix C, Item 20
Solvent,
Dry Cleaning, Appendix C,
Item 26
Tags, Appendix C, Item 31
Bearings (TM 10-4320-344-24P)
Piston Rings (TM 10-4320-344-24P)
Equipment Conditions
Oil Pump Assembly removed, paragraph
3 .
8 .
1
3.
Cylinder Head Assembly removed, paragraph
3 .
8 .
1
9.
General Safety Instructions
Do not work on equipment that is not
securely stabilized to prevent rolling
o r s l i d i n g.
Do not work on equipment without follow-
ing standard shop safety practices.
4.4.14.1 Removal.
Ensure carbon deposits have been scraped from
damaging piston rings during removal.
cylinder bores to avoid
It may be necessary to use ridge reamer on excessively worn cylinder bores.
a.
Remove top wear ridge in each cylinder bore and, using wire brush, clean
carbon deposits from top of each cylinder bore.
b.
Crank engine so that number 1 piston is at BDC.
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