1999 Volvo Penta "WT" Models Workshop Manual, Page 144Get this manual
Inspect: 1Sprockets for chipped teeth and wearINotel Excessively worn sprockets will rapidly wear new chain2Camshaft timing chain for damageINotel An excessively worn chain will rapidly wear new set of sprocketsInstallation Tool Required: 5590 Crankshaft Sprocket Installer Install or Connect:
1Crankshaft key (if removed)
2Crankshaft sprocket using 5590,View A
3Balance shaft drive gear4Camshaft sprocket and camshaft timing chainrn
Line up the sprocket alignment marks on the camshaft sprocket and crankshaft sprocket