Westerbeke 9.0 BCG Technical Manual page 85

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1. Remove the crankshaft's timing belt pulley and the crankshaft timing belt pulley's flanges.
NOTE: If the crankshaft's timing belt pulley is difficult to remove, screw a pair of bolts into the
threaded holes in the face of the pulley as shown in the illustrations below. Withdraw the pul-
ley with the two bolts.
2. Remove the fresh water pump assembly and gasket.
3. Remove the oil pan and gasket.
4. Remove the balance shaft's gear cover, gasket, and dust seals.
5. Remove the rear oil seal retainer.
6. Remove the oil pump's drive sprocket from the right side balance gear; remove the oil pump's drive shaft
sprocket and oil pump drive chain from the oil pump's drive shaft.
7. Remove the oil pump together with the oil pump outlet pipe.
NOTE: The oil pump is fastened to the cylinder block with hexagon socket head cap screws.
Use a 6-mm hexagon wrench (commercially available) to remove the oil pump.
8. Remove the balance shaft as follows.
A. Align the stamped mark on the balance shaft's drive gear. This aligns the holes in the face of the balance
shaft's gear with the hexagon socket head cap screws which fasten the balance shaft's thrust plate to
the cylinder block.
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Westerbeke Generators