Vetus VF4 - Page 32

32 402102.01
Service manual VF4 VF5
VF4
Undo bolts (1 a) and remove crankcase rear cover (1b) with built-
in oil seal.
Remove the lower main journal half-bearings.
Remove the crankshaft.
Remove the upper main journal half-bearings.
Remove the thrust washers.
Undo bolts (6 a) and remove jets (6b) from the crankcase.
VF5
Undo bolts (1 a) and remove crankcase rear cover (1b) with built-
in oil seal.
Undo bolts (2 a) and remove bearing caps (2b).
Remove the lower main journal half-bearings.
Remove the crankshaft.
Remove the upper main journal half-bearings.
Remove the thrust washers.
Undo bolts (7 a) and remove jets (7b) from the crankcase.
Drill and remove the water/oil sealing plugs from the crankcase to
allow for washing.
Remove the engine block from the overhaul stand and place on a
suitable work bench.
Wash the dismantled components.
Fit the water/oil sealing plugs in the crankcase using suitable t-
ting, tools.
Lubricate all the mechanical components with engine oil.
Check that the cylinder head support surface does not have cracks
or surface grooves.