Westerbeke 3.0 BPMG - Replacing the Timing Belt

ENGINE ADJUSTMENTS
INSPECTION/REPLACING OF THE TIMING BELT
If cracks, wear, lengthening or other damage is found,
replace the timing belt
LIMIT OF ELONGATION: MORE THAN 1Dmm (0.4 IN) DEFLECTION BY
PUSHING WITH YOUR FINGER
Replacement of the Timing Belt ·
1. Remove the parts in the following order:
a. Spark Plugs
b. Voltage Regulator
c.
Unplug MPU
d. Unplug Cam Sensor
e. Flywheel Housing
f. Flywheel assembly
g. Altemafor Bracket
2. Turn the crru:ikshaft aild align "O" mark on: the drive
pulley and the "O" :inark on the'cylinder bead.
3. Remove the timing belt from the driven pulley side.
4.
Install the timing belt froni the drive pulley side.
·NOTE: After installing the timing belt, when the aligning
"O" ino.rk on the drive pulley with "O" on the cylinder
block. Please
confirm that the "1 & O" or ''2 & 0" mark
on the driven pulley
are aligned with the ''\!"mark on the
cylinder head.
NOTE: Always keep the timing belt away from any oil and
grea.se.
TIMING BELT
29
··o
0.4" DEFLECTION W/FINGER
FLYWHEEL
·ASSEMBLY
ALTERNATOR BRACKET
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