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Page Title:
CRANKSHAFT MAIN BEARINGS REPLACEMENT |
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 TM 10-3930-673-34
3
This Task Covers:
a. Removal
c. Inspection
b. Cleaning
d. Installation
INITIAL SETUP
Equipment Condition
Tools and Special Tools
Vehicle parked on level ground
Tool Kit, General Mechanic's: Automotive
Oil pan removed (Para 3-23)
(Item 23, Appendix D)
Oil pump inlet tube removed (Para 3-24)
Shop Equipment, Automotive Maintenance,
Common No. 2 Less Power
Materials/Parts
(Item 17, Appendix D)
Oil, Lubricating, Engine (Item 27, Appendix B)
Shop Equipment, Automotive Maintenance and
Plastigage (Item 32, Appendix B)
Repair; Field Maintenance, Basic, Less Power
Rags, Lint-free (Item 34, Appendix B)
(Item 18, Appendix D)
Solvent, Drycleaning (Item 52, Appendix B)
Bearing Removal/Installation Tool - Fabricated
Lubriplate (Item 23, Appendix B)
Tool (Figure C-7, Appendix C)
Dial Indicator (Item 3, Appendix D)
a. Removal.
(1)
Check crankshaft (1) end play.
(a)
End play is controlled by the
dimensions of the thrust bearing (2)
and crankshaft (1) journal at the
no. 6 main bearing position.
(b)
Measure crankshaft (1) end play
using a dial indicator as shown in
this illustration.
(c)
Push crankshaft (1) forward, then
toward rear of engine. Record end
play measurement. This data will be
needed later during thrust bearing
installation.
TR01415
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