TM 5-3805-248-23-2
CRANKSHAFT MAIN BEARINGS MAINTENANCE
THIS WORK PACKAGE COVERS
Center and Intermediate Bearings: Removal, Adjustment, Installation
End Bearings: Removal, Adjustment, Installation
INITIAL SETUP
Maintenance Level
Materials/Parts - Continued
General Support
Oil, lubricating (Item 30, 31 or 33, WP 0339 00)
Tools and Special Tools
Rag, wiping (Item 35, WP 0339 00)
Tool kit, general mechanic's (Item 113, WP 0338
Plate, thrust (2)
Shop equipment, machine shop (Item 104, WP
References
Main bearing removal and installation tool (Item
94, WP 0338 00)
TM 5-3805-248-10
Materials/Parts
Equipment Condition
Cleaning compound, solvent (Item 8, WP 0339 00)
Gage, bearing clearance (Item 16, WP 0339 00)
Oil pump removed (WP 0267 00)
CENTER AND INTERMEDIATE BEARINGS REMOVAL
1.
Install dial indicator on crankshaft journal number 4.
2.
Adjust contact pin of dial indicator against side edge of crankshaft journal, and adjust dial face so indicator reads zero.
CAUTION
Do not use metal hammer to move crank-
shaft back and forth. Do not contact
machined crankshaft surfaces with metal
pry bar. Failure to follow this procedure
could result in damage to equipment.
3.
While moving crankshaft back and forth, observe dial
indicator to determine end play.
4.
Record end play reading on dial indicator.
5.
Remove dial indicator.
394-1142
