CRANKSHAFT BEARINGS AND ASSOCIATED PARTS REPLACEMENT --
Crankshaft main bearing caps and sleeves have been
marked and removed when the crankshaft was removed.
Refer to WP 0064 00.
1. Visually inspect main sleeve bearing halves (4, 5, 6, and 7).
BASIS FOR BEARING REJECTION
ACCEPTABLE BEARING FLAWS
Separation of bearing metal, or signs of possible
Fine scratches on bearing surface
Pitting or any other form of destruction to bearing
Minute pieces of metal and dirt particles embedded in
bearing surface with a concentration of less than 5
percent. (Do not attempt to remove such particles)
Raised metal at edges of scratches.
Pieces of metal or dirt particles embedded in
bearing surface with a concentration of 5 percent
or more of the surface area.
2. Measure outside width of main thrust bearing (8). Replace bearings that do not meet the following limits:
POINT OF MEASUREMENT
SIZES AND FITS OF NEW PARTS
Outside width of main thrust