Westerbeke 9.0 BCG Technical Manual page 146

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11. On the BCG 4.0KW engine, install the balance shafts' gear cover and the rear oil seal retainer.
CAUTION
Make sure that the lip section of the oil seal by the key groove of the crankshaft is not damaged
during the installation of the gear cover.
A. Use a new gasket for this assembly.
B. After the gasket has been installed, cut any protruding gasket material along the balance shafts' gear
cover and the lower edge of the cylinder block.
12. On the BCG 6.5KW and BTG 9.0KW engines, install the balance shaft's gear cover.
13. Replace the old oil pan gasket with a new one.
Prior to installing the oil pan, apply silicon bond
sealer to the gasket.
14. Place the gasket on the cylinder block and attach
the oil pan. Tighten the oil pan bolts between 2.9
- 5.1 Ib-ft (0.4 - 0.7 kg-m).
Westerbeke Generators
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