Westerbeke W-46 - Page 42

4. Install the
follows:
ENGINE ASSEMBLY
crankshaft
as
a. Install thrust plate (lf and
two woodruff keys (2) to the
crankshaft and drive on
crankshaft gear (3) by using
suitable hollow drift (A).
b. Install crankshaft to the
crankcase.
5. Install the main bearing caps
as follows:
a. Apply engine oil to the
crankshaft journals and
pins, and install the
crankshaft into the crank-
case securely. Attach lower
main bearing (1) to main
bearing cap (2) (front,
center and rear) and install
the cap in place by aligning
it with dowel pin (A) on
crankcase.
b. Measure the crankshaft end
play with a thickness gauge.
Replace No.1 main bearing if
the end play is out of spe-
cification. Tighten main
bearing capscrews (3) to a
torque of 8. 5 kg-m (61.463
lb-ft)
(NOTE: Rotate crankshaft to
ensure no unusual binding or
resistance occurs.)
6. Install the connecting rod
bearing caps as follows:
a. Install lower connecting-rod
bearing (2) into cap (1) and
apply engine oi 1 to the
internal surface of the
bearing. Then install the
cap with the matching mark
on the cap aligned with mark
(A) on the rod.
Engines & Generators
40