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TM 10-4320-351-14
6.3.18 Remove Crankshaft Gear, Crankshaft and Bearings. (Refer to figure 6-19.)
This task consists of:
a. Removal
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Socket, Socket Wrench, 6 mm
None
(Appendix B, Section III, Item 3)
Gear Extractor Tool
(Appendix B, Section III, Item 5)
Remover, Bearing and Bushing
(Appendix B, Section III, Item 6)
Equipment Condition:
Handle, Socket Wrench, Ratchet, 3/8" Drive
Rear crankshaft support removed (para. 6.3.17)
(Appendix B, Section III, Item 3)
Extension, 3 in., 3/8 in. drive
(Appendix B, Section III, Item 3)
NOTE
Use a block of wood or other soft material to prevent the crankshaft from rotating.
a.
Using crankshaft gear extractor tool, remove crankshaft gear (1) and key (2).
b.
Remove two 6 mm screws (3) and flat washers (4) holding center crankshaft bearing support (5).
c.
Gently tap on front end of crankshaft (6) to break free and move crankshaft with crankshaft bearing support
toward rear of cylinder block. Slide crankshaft (6) to the rear and remove from cylinder block.
d.
Remove two 6 mm crankshaft bearing support screws (7) holding two parts of center crankshaft bearing support
(5) to crankshaft (6). Remove center crankshaft bearing support (5).
e.
Remove two crankshaft bearing halves (8) from center crankshaft bearing support (5). Discard crankshaft
bearing halves (8).
f.
Using the bearing and bushing remover, remove rear crankshaft bearing (9) from crankcase. Discard bearing (9).
6-31
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