Westerbeke 9.0 BCG Technical Manual page 156

1. Make sure that the stamped marks on the camshaft and crankshaft timing belt pulleys are aligned with
their respective indicators (pointers) on the cylinder head and bearing shaft gear cover (camshaft pulley
mark is at
3
o'clock; crankshaft pulley mark is between 4 and 5 o'clock, when pulley keyways are at
12
o'clock).
Aligning Mate Marks
BCG4.0KW
Align stamped
mark with
indicator
Align stamped
mark with indicator
BCG 6.5KW and BTG 9.0KW
2. Temporarily attach the timing belt tensioner, leaving its setting bolt backed off one half turn.
3. Install the tension spring.
4. If the crankshaft timing belt pulley was removed during disassembly, make sure the crankshaft timing belt
pulley flanges are properly placed on either side of the pulley (convex surface of flange toward pulley).
CAUTION
When installing the timing belt, do not pry the belt with a screwdriver or similar tool. Damage
to the belt will result.
Westerbeke Generators
150