TM 10-4320-344-24
3.8.20 Cylinder Head Assembly Replacement, Models 609-C and US636HCCD-1.
This task covers:
3.8.20.1 Removal
3 .
8 .2 0 . 3 I n s t a l l a t i on
3.8.20.2 Adjustment
INITIAL SETUP
Tools
General Mechanic’s Automotive
Tool Kit, Appendix B, Section III,
Item 1
Torque Wrench, Appendix B, Section
III, Item 2
Angle-of-Turn Indicator, Appendix B,
Section III, Item 3
Pushrod Tube Spring Compressor, Appendix
B, Section III, Item 17
Square Socket Insert, Appendix B,
Section III, Item 18
Material/Parts
Grease, Appendix C, Item 13
Rags, Appendix C, Item 20
Solder, Appendix C, Item 25
Tags, Appendix C, Item 31
Washers (TM 10-4320-344-24P)
Ring Spacer (TM 10-4320-344-24P)
Equipment Conditions
Top Panel Assembly Removed, paragraph
2 .
1
2 .
4.
Right Side Panel Assembly removed,
paragraph 2.12.6.
Equipment Conditions (Continued)
Fuel Leakoff Manifold Assembly removed,
paragraph 2.21.7.
Fuel Injection Nozzles removed, paragraph
2 .
2
1 .
9.
Engine Temperature Transmitter removed,
paragraph 2.21.20 (609-C).
Exhaust Manifold Pipes removed, paragraph
2.21.37.
Intake Manifold removed, paragraph
2.21.38.
Cowling Assembly removed, paragraph
2.21.40.
Rocker Arm Assembly removed, paragraph
3 .
8 .
1
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.
To prevent burns do not work on hot
engine components.
Allow engine to cool.
Do not work on equipment without follow-
ing standard shop safety practices.
3.8.20.1 Removal.
To prevent malfunction of parts, reinstall pushrods in same position from
which they were removed.
a.
Tag and remove two pushrods (Figure 3-42, 1).
b .
Using square recess socket, remove two plugs (2) and washers (3) from cylinder
head assembly (4).
Discard washers (3).
Loosen bolts in a diagonal sequence.
c .
Progressively loosen four cylinder head bolts (5).
Remove four cylinder head
bolts (5) and flat washers (6).
3-94
NOTE
