W 250 Pickup L6-359 5.9L DSL (1989)
Preferred Procedure - All Main Journals
Smoothly blend a 4.20 +/- .020mm [0.1654 +/- .0008 inch] radius to the reground diameters.
Surface finish
A = 0.8 micrometer [32 microinch] for a minimum of 45 degrees the fillet beyond the journal surface.
B = 1.6 micrometer [64 microinch] for the remainder of the fillet.
C = 0.4 micrometer [16 microinch] journal surface.
D = Original radius
E = New undercut radius
Optional Procedure - Not to be used when thrust surface width is reground.
Smoothly blend a 1.25 +/- 0.020 mm [0.0492 +/- 0.0008 inch] radius to the reground diameters.
Surface finish:
A = 0.8 micrometer [32 microinch] for a minimum of 45 degrees into the fillet beyond the journal surface.
B = 1.6 micrometer [64 microinch] for the remainder of the fillet.
C = Original radius
D = New undercut radius
E = 0.4 micrometer [16 microinch] journal surface.
Width of regrind for undercut radius
F = 34.500 +/- 0.025mm [1.358 +/- 0.001 inch]
CRANKSHAFT ROD JOURNAL REGRIND SPECIFICATIONS
