TM 10-4320-344-24
4.4.17 Camshaft Maintenance, Models 609-C and US636HCCD-1.
This task covers:
4.4.17.1
Removal
4 .
4 .1 7 . 3 I n s t a l l a t i on
4 .
4 .1 7 . 2 R e p a i r
INITIAL SETUP
Tools
General Mechanic’s Automotive Tool Kit,
Appendix B, Section III, Item 1
Goggles, Industrial, Appendix B,
Section III, Item 2
Gun, Air Blow, Appendix B, Section III,
Item 2
Inside Micrometer, Appendix B, Section
III, Item 3
Micrometer, Appendix B, Section III,
Item 3
Material/Parts
Gloves, Appendix C, Item 11
Grease, Appendix C, Item 13
Oil, Appendix C, Item 15
Rags, Appendix C, Item 20
Material/Parts (Continued)
Solvent, Dry Cleaning, Appendix C,
Item 26
Tags, Appendix C, Item 31
Equipment Conditions
Oil Pump Assembly removed, paragraph
4 .
4 .
7 .
Rocker Arm Assembly and Pushrods removed,
paragraph 3.8.18.
Idler Gear removed, paragraph 4.4.8.
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.
4.4.17.1 Removal.
a.
Place engine upside down, and support with suitable blocks so cylinders will
c l e a r.
b.
Push valve tappets (Figure 4-31, 1) down from camshaft assembly (2) and into
crankcase (3).
Carefully remove camshaft assembly through bearings located in engine block.
Failure to obey this caution may result in damage to the equipment.
c .
Remove camshaft assembly (2) from crankcase (3).
d.
Remove pin (4) from camshaft assembly (2).
e .
Remove thrust washer (5) from camshaft assembly (2).
g.
Tag and remove valve tappets (1) from crankcase (3).
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