TM 5-4210-233-14&P-2
6-29. MAIN BEARINGS AND CRANKSHAFT
This task covers:
a.
Removal
d.
Assembly
b.
Disassembly
e.
Installation
c.
Cleaning and Inspection
f.
Follow-on Maintenance
TOOLS REQUIRED
PERSONNEL REQUIRED
Tool Kit, General Mechanics, Automotive
2
(Appendix B, Section III, Item 1)
EQUIPMENT CONDITION
Shop Equipment, Automotive
Engine Turned Upside Down on Engine Stand
Maintenance and Repair
Oil Pump Removed (see para 6-46.)
(Appendix B, Section III, Item 4)
Crankshaft Cover and Front Seal Removed
(see para 6-27.)
Set, Dial Indicator (Appendix B, Section III, Item 32)
Flywheel Housing and Rear Oil Seal Removed
(see para 6-31.)
MATERIALS/PARTS REQUIRED
Idler Gear Removed (see para 6-35.)
Compound, International No. 2 (Item 37, Appendix E)
Pistons, Connecting Rods, and Liners Removed
Oil, fuel, diesel (Item 41, Appendix E)
(see para 6-32.)
Tags, identification (Item 32, Appendix E)
Oil, lubricating (Item 10, Appendix E)
Cloth, crocus, abrasive (Item 34, Appendix E)
Cloth, cleaning, low-lint (Item 42, Appendix E)
Gauge, plastic (Item 43, Appendix E)
a.
Removal.
(1) Install dial indicator on engine block (1) and push crankshaft (2) towards gage with pry bar while
adjusting dial indicator to zero.
(2) Note end play while another person removes pry bar and forces crankshaft (2) in opposite direction.
Normal end play is .004 to .011" (.102 to .279 mm) with a maximum of .018" (.457 mm).
6-141