Westerbeke Vire 7, Owner'S Manual, Page: 23 / 43

ASSEMBLY INSTRUCTIONS
Dismantling the. Engine
Removal of the fly Wheel:
1. Remove the belt cover and The belt pulley.
2. Remove the pulley wheel.
3. Remove the flywheel fastening nut.
4. Fasten the extractor with pulley wheel screws to the flywheel. tighten the extractor
center bolt against the end of the crankshaft.
5. Tap lightly with a hammer on the extractor center bolt head and the fly-wheel will
come loose. Remove it.
Opening of Crankshaft Casing :
1. Remove oil from the gear box.
2. Remove the exhaust collector.
3. Remove the motor generator and tie belt pulley cover.
4. Remove the flywheel.
5. Unscrew the gear box fastening screws and remove the gear box by tapping
lightly with a hammer. Removal should not be done by using a wedge between the
sealing surfaces
6. Remove the cylinder.
7. Unscrew the bolts holding the crankshaft casing halves and remove these halves by
tapping lightly.
8. Remove the crankshaft from the hall casing.
Assembling the Engine
Attention
If the crankshaft has been damaged. it must be sent to the factory or to a factory authorized
workshop for repair.
When assembling the engine. note that all sealing surfaces should be meticulously clean. Moving parts
and shaft sealers should be oiled lightly.
Assemble as follows
1. The bearings are fastened to the crankshaft by tapping with a socket on the inner
frame of the bearing until it is in its proper place.
2. Shaft sealers are installed with care so that they do not become damaged in the
process.
3. The crankshaft is placed in the back half of the crankcase. The sealing surfaces are
brushed with glue and the forward half of the crankcase is put on the crankshaft so
that no gradation appears on the cylinder fastening surface.
4. The fastening screws are fastened and tightened.
5. Turn the crankshaft to check if assembly has been correctly conducted so far.