Lombardini 11 LD 626-3 - Checking Main Journals and Crank Pins

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11 LD Workshop Manual_cod. 1.5302.296_5° ed_ rev. 04
A
008,08÷187,08
B
615,54÷005,54
C
073,55÷053,55
D
059,45÷139,45
4
80
81
82
83
Crankshaft lubrication ducts
Important
During repair operations, when using compressed air, wear eye
protection.
Remove the caps, clean ducts A, B and C using a drill bit with the
same diameter and blow with compressed air.
After cleaning, replace the new caps in their seats and make sure they
are sealed.
Dimensions (mm)
Ref.
Disassembly / Reassembly
Main journal and crank pin diameter
Checking main journals and crank pins
Use an outside micrometer gauge.
Crankshaft journal radius
The radius R connecting journal to shoulders is 2,8 ÷ 3,2 mm.
Note: When grinding main journals or crank pins restore the R value
to original specification.