1999 Volvo Penta "WT" Models Workshop Manual, Page 91Get this manual
7Remove the camshaft and gear assembly by pulling it out through the front of the block INotel
Support shaft carefully when removing so as not to damage camshaft bearings
Inspection The camshaft has three bearings, all with the same journal diameter of 1.8677 into 1.8697 in(47,440 to 47,490 mm)These dimensions should be checked with micrometer for an out-ofround conditionIf the journals exceed 0.001 in(0,025 mm) out-of-round, the camshaft should be replacedThe camshaft should also be checked for alignmentThe best method is by use of "V" blocks and dial indicatorThe dial indicator will indicate the exact amount that the camshaft is out of trueIf it is out more than 0.002 in(0,051 mm) dial indicator reading, the camshaft should be replacedWhen checking, the high reading of the dial indicator indicates the high point of the shaftExamine the camshaft bearings and if any bearing needs replacement, replace all bearingsGear and Thrust Plate