Westerbeke 4.5 KW BCGTC - 60 Hz Operator's Manual page 37

ENGINE ADJUSTMENTS
NOTE:
WESTERBEKE recommends that the following engine
adjustments be performed by a competent engine mechanic.
The information below is provided to assist the mechanic.
8. Tum the crankshaft clockwise by nine camshaft
sprocket teeth (81") to align the timing mark on the
camshaft sprocket with the tcnsioner set mark on the
timing belt rear cover.
A
CAUTION:
This operation is performed to give
a
proper tension to the timing belt, so do NOT turn the
crankshaft counterclockwise and push the belt to
check the tension.
9. Make sure that the timing belt teeth are engaged with
the camshaft sprocket teeth along the portion of the
sprocket shown by the curved arrow in the illustration
below. Then tighten the tcosioner nut.
10. Pull the timing belt in the center of the tension side
toward the sealing gasket line for the belt cover, as
i1lustrated. Make sure that the clearance between the
back of the belt and the sealing line is the standard
value.
Standard Value: 12mm (0.47in.)
SEALING
GASKET
/L1NE
\\0:1
~>-
_ _ 12
mm
(GA7IN)
11. Pull out a rod from the plug hole on the left surface of
the cylinder block and apply the specified sealant.
Then tighten the plug to the specified torque.
Specified sealant value: 3M AID Part No. 8660 or
equivalent
Tightening torque: 15-22 Nm (11-16 ft.lbs.)
Engines & Generators
28