Assembling The Crankshaft - Westerbeke 9.0 BCG Technical Manual

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Assembling the Crankshaft
1. Before each bearing cap is installed, coat the
crankshaft's bearing cap bolts (threaded portion)
with engine oil.
NOTE: Do not allow any oil to get on the back-
side of the bearing inserts.
2. Attach the thrust washers on the cylinder block at
the front and rear sides of the No.3 bearing
3. When installing the bearing caps, be certain that
their arrowheads face toward the front of the
cylinder block, respectively. After the bearing
cap bolts have been torqued to the proper
specification, ensure that the crankshaft can
rotate lightly.
4. Tighten the bearing caps.
BCG 4.0KW: 34.0 - 42.7Ib-ft (4.7 - 5.9 kg-m)
BCG 6.5KW and BTG 9.0KW:
40 - 471b-ft (5.4 - 6.6 kg-m)
Westerbeke Generators
136