Volvo Penta D1-13 - Inspection of Main and Big End Bearings; Inspection of the Crankshaft Bushing and Crankshaft Journal

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Inspection of the crankshaft bushing and

crankshaft journal

Check the bearing clearance between the crankshaft

journal and the crankshaft bushing. Use both internal

and external micrometers.

1 Measure

the

inner diameter of the bushing at points

1 and 2. Measure in two directions (A and B) at

each point.

2 Measure the bearing journal outer diameter and

calculate the bearing play (difference between pre-

vious measurement and max. diameter of the bear-

ing journal).

For max. bearing play, refer to Group 21:

Engine page 14.

Change the bush if the clearance exceeds the per-

missible value.

Inspection of main and big end bearings

Check the main and big end bearing shells, and the

front main bearing bushing. Change worn bearing

shells, or any with damaged bearing surfaces.

P0008016

21-6 Crank Mechanism

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