Westerbeke Vire 7, Owner'S Manual, Page: 24 / 43

Figure 9. Tightening Flywheel
6. Install the piston and its pads (Note: Piston ring ends should be at the piston pin
locking side of piston. This side of piston should be installed on the flywheel side).
7. Install the cylinder and its gasket.
8. Install the magneto anchor plate with its parts, the flywheel and the pulley wheel.
9. Install the gear box.
10. Install the motor generator. the belt pulley, the belt cover, the carburetor and the
exhaust collector.
Fastening of Flywheel:
1. The flywheel is installed on the crankshaft so that the key goes into its key-way.
2. The nut is first tightened manually with a socket spanner or an adjustable spanner
to the extent possible. The flywheel is kept in its place with one hand.
3. Tapping the spanner handle with a hammer forces the nut to tighten some more
(see Fig. 9).
Should the pulley wheel fastening holes not coincide with the corresponding flywheel holes, the
nut will have to be further tightened until the holes are in line.
Under no circumstances should the nut be loosened to line up with the bolt holes
Dismantling the Reverse/Reduction Gear Box
1 Remove oil from the gear box.
2. Remove the reverse/reduction gear box as described in
A
dismantling the engine
@
3. Remove the water pump by unscrewing the housing screws and by removing the
house gear wheel and the intermediate plate.
4. Remove the coupling flange by using an extractor.
5. Remove the shafts from the casing by pulling them out (forward). If the drive shaft
does not slide out easily. it can be loosened by tapping lightly with a hammer on an
end.
6. Remove the coupling rod from the coupling crank by removing the locking stud.
When removing the coupling rod, he careful not to lose the coupling locking pin
and the spring under it.
7. The coupling crank is removed from within the casing.