Westerbeke 8.0KW-60HZ Operator's Manual page 32

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.
Timing Belt Installation
....... _-CYLINDER
CAMSHAFT --+-lJ~, HEAD
SPROCKET
ALIGN THE
TIMING MARK
1. Align the camshaft timing mark with the timing mark
on the cylinder head.
CRANSHAFT
PULLEY
2.
Align the crankshaft timing mark with the timing
mark on the front case.
3. Keeping the tension side of the timing belt tight, fit the
timing belt onto the crankshaft sprocket, camshaft
sprocket, and tensioner pulley in that order.
4. Loosen the tensioner pulley mounting bolts by 114 to
112 of a turn and allow the tensioner spring to apply
tension to the timing belt.
5. Tum the crankshaft twice in the normal rotating
direction (clockwise) and check that the timing marks
are correctly aligned.
A
CAUTION:
This procedure utilizes the
camshaft's driving torque to apply tension evenly
to the timing belt. Be sure to turn the crankshaft
as described above. 00 not turn the crankshaft in
reverse.
6. Tighten the tensioner pulley mounting bolts.
IDLER PULLEY BOLTS TORQUE 23 Nm (17 fl-Ib)
7. Replace the timing belt covers.
TIMING BELT COVER BOLTS TORQUE 11 Nm (8 fI-lb)
Engines & Generators
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