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Page Title:
MAIN BEARING AND CRANKSHAFT REPAIR |
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 TM 9-2320-360-34-2
19-8. MAIN BEARING AND CRANKSHAFT REPAIR
This task covers
a. Removal
c.
installation
b. Cleaning/lnspection
d.
Follow-On Maintenance
Initial Setup:
Equipment Conditions
Equipment Conditions (Cont)
Sending units and attachments removed
Oil pan removed (para 3-20).
(TM 9-2320-360-20).
Oil pressure regulator valve removed
Starter removed (TM 9-2320-360-20).
(para 3-'22).
150 amp circuit breakers removed
Oil pressure relief valve removed (para 3-21).
(TM 9-2320-360-20).
Crankshaft cover, front oil seal, an d oil pump
24-volt (front) alternator/bracket removed
removed (para 19-14).
(TM 9-2320-360-20).
Flexplate assembly removed (para 3-17).
Flywheel housing removed (para 19-9).
Air box drains removed (para 3-9).
Camshafts and end bearings removed
Air box covers removed (para 3-8).
Engine mounted on engine stand (para 19-3).
Pistons, connecting rods, and liners removed
Fan removed (TM 9-2320-360-20).
Fan belts removed (TM 9-2320-360-20).
Fan clutch removed (TM 9-2320-360-20).
Tools and Special Tools
Electronic control module (ECM) removed
Tool Kit, Genl Mech (Item 202, Appendix E)
(TM 9-2320-360-20).
Caliper Set, Micrometer (Item 15, Appendix E)
Thermostats removed (TM 9-2320-360-20).
Caliper, Vernier, 0-6 In. (Item 16, Appendix E)
DDEC oil pressure sensor removed
Dial Indicator, Magnetic (Item 32, Appendix E)
(TM 9-2320-360-20).
Remover, Bearing Shell (Figure C-10,
Rocker covers removed (TM 9-2320-360-20).
Idler gear removed (para 19-13).
Sling, Endless Strap (Item 161, Appendix E)
Fuel injector wire harnesses removed
Wrench Set, Socket, 3/4 In. (Item 231,
(para 4-3).
12-volt (rear) alternator/bracket removed
Wrench, Torque, 0-600 Lb-Ft (Item 233,
(TM 9-2320-360-20).
Left thermostat housing removed (para 5-3).
Wrench, Torque, 0-150 Lb-In. (Item 234,
Right thermostat housing removed (para 5-4).
Crankshaft pulley removed (para 3-12).
Wrench, Torque, 0-175 Lb-Ft (Item 236,
Crankshaft vibration damper and cover
removed (para 3-15).
Blower accessory drive hub removed
Materials/Parts
(para 4-9).
Compound, International, No. 2 (Item 21,
Engine brake retarder wire harnesses rem oved
(para 6-16).
Oil, Lubricating (Item 45, Appendix B)
Engine brake retarders removed (para 3-26).
Plastigage (Item 50, Appendix B)
Rocker arms removed (para 3-18).
Tags, Identification (Item 56, Appendix B)
Injectors removed (para 4-2).
Cylinder heads removed (para 3-10).
Personnel Required
Two
19-57
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