Westerbeke 6.5 SBCG-60HZ Operator's Manual page 34

ENGINE ADJUSTMENTS
NOTE: WESTERBEKE recommends that the fol[Qwing engine'
adjustments be performed by a competent engine mechanic.
The.infonnation below is provided to assist
the
mechanic.
8. Thrn the crankshaft clockwise by nine camshaft sprocket
teeth (817) to align the timing mark on the camshaft
sprocket with the tensioner set mark on the timing belt
l'6III'
cover.
A
CAUTION:
This operation is perfonned to give
a
proper tension
to
the timing btilt, so do not tum the
crankshaft counterclockwise and push the belt to
check the tension. ·
TENSIONER
~.hoc~-SET
MARK
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.
Then tighten the tensioner nut.
10.
Pull
the timing ~It in the ce~ter of the tension side
towarcf the sealing gasket line for the belt cover, as
illustrated. Make sure that the clearance between the
back of the belt and the sealing line is the standard
value. ' · ·
Standard Value: 12mm (0.471n.)
.SEALING
GASKET LINE
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 A1D P8rt No. 8660 or
equivaient
Tightening torque: 15-22 Nm (11-16ft.lbs.)
BAnERYCARE
Battery Maintenance
The minimum recommended capacity of the battery used in
the engine's 12 volt DC control circuit is 800-1000 Cold
Cranking Amps (CCA).
Review the manufacturer's recommendations and then
establish· a. systematic maintenanCe schedule for your
engine's starting batteries and house batteries.
0
Monitor your voltmeter for proper charging during engine
operation.
0
Check the electrolyte level and specific gravity with a
hydrome~er.
0
Use only distilled water to bring electrolytes to a proper
level.
0
Make certain that battery cable connections are clean and
tight to the battery posts (and to your engine).
0
Keep your batteries clean and free of corrosion.
Testing the Circuit
If the battery is not charging, check the fuse. To test the
c4'cuit, remove the fuse and test with a voltmeter between the
fuse holder connection and 'ground. With the engine running,
it should indicate 13-14 volts. If only battery voltage is
indicated, check the terminal connections at the battery.
A
WARNING:
Sulfuric acid in lead batteries can
cause severe bums on skin and damage clothing. Wear
protective gear.
NOTE: Refer
to
BATIERY CHARGING CIRCUIT in this manual,
Engines & Generators
23