Westerbeke 3.0KW BPMG-60HZ Service Manual page 50

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ENGINE ADJUSTMENTS
INSPECTIONJREPLACING OF THE TIMING BELT
If cracks, wear, lengthening or other damage is found,
replace the timing belt.
UMIT OF ElONGATION: MORE THAN 10mm (0.4 IN) DEFLECTION BY
PUSHING WITH YOUR ANGER
Replacement of the Timing Belt
1. Remove the
parts
in the following order:
a .. Spark plugs
b. Recoil starter
c. Magneto flywheel cup
d. Alternator assembly
e. Alternator bracket
2. "fum the crankshaft and align
"0"
mark on the drive
pulley and the
"0"
mark on the cylinder head.
3. Remove the timing belt from the driven pulley side.
4. Install the timing belt from the drive pulley side.
NOTE:
After installing the timing belt, when the aligning
"0"
marie on the drive pulley with
"0"
on the cylinder
block. Please conJinn that the "I &
0"
or "2 &
0"
mark
on the driven pulley are aligned with the "V''' mark on the
cylinder head.
NOTE:
Always keep the timing belt away from any oil and
grease.
V'MARK
o
DRIVEN PULLEY
TIMING BELT
...v:
WESTERBEKE
Engines & Generators
42A
FLYWHEEL CUP
ALTERNATOR BRACKET