TM 10-4320-344-24
4.4.19 Crankshaft Assembly Maintenance, Model 609-A.
This task covers:
4.4.19.1
Removal
4 .
4 .1 9 . 3 I n s t a l l a t i o n
4 .
4 .1 9 . 2 R e p a ir
INITIAL SETUP
Tools
General Mechanic’s Automotive Tool Kit,
Appendix B, Section III, Item 1
Goggles, Appendix B, Section III,
Item 2
Gun, Air Blow, Appendix B, Section
III, Item 2
Arbor Press, Appendix B, Section III,
Item 3
Micrometer, Appendix B, Section III,
Item 3
Sling, Engine, Appendix B, Section III,
Item 3
Material/Parts
Tube Brush, Appendix C, Item 6
Abrasive Cloth (Emery), Appendix C,
Item 8
Gloves, Appendix C, Item 11
Grease (Engine Assembly), 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
Bearings (TM 10-4320-344-24P)
Crankshaft Gear (TM 10-4320-344-24P)
Woodruff Key (TM 10-4320-344-24P)
Equipment Conditions
Oil Pump Assembly removed, paragraph
3 .
8 .
1
3 .
Bellhousing removed, paragraph 4.4.10.
Piston and Connecting Rod Assemblies
removed, paragraph 4.4.13.
Gear Housing removed, paragraph 4.4.17.
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.
4.4.19.1 Removal.
a.
b.
c .
d.
e .
Tag and mark all components with match marks on camshaft side.
Remove four bolts (Figure 4-34, 1), center main bearing cap (2), and lower
center main bearing (3). Discard lower main bearing (3).
Remove twelve bolts (4), six lower main bearing caps (5), and six lower main
bearings (6). Tag lower main bearing caps (5). Discard lower main bearings
( 6 ) .
Using sling, lift crankshaft assembly (7) from engine block.
Remove and discard six upper main bearings (8) and upper center main
bearing (9).
Using arbor press, remove crankshaft gear (10) and woodruff key (11) from
crankshaft (7). Discard crankshaft gear (10) and woodruff key (11).
4-66
NOTE
