Westerbeke 6.5KW - Page 61

Tightening torque: 11.0 - 12.0 kg-m (80 - 87 lb-ft)
24. Valves.
Assemble the valves in the
cylinder head with a valve
spring lifter and pivot.
25. Cylinder head.
a. position the head gasket on
the block.
b. position the cylinder head.
c.
Install capscrew
the head into the
chain cover.
26. Camshaft.
through
timing
a. Slide the timing chain
sprocket on the camshaft
making sure the position of
chain and timing mark on
the sprocket are correct.
b. position the camshaft on
the cylinder head.
27. Rocker shaft assembly.
install the valve rocker arms on
the rocker arm shaft. Insure
that there is 1 mm (.039 in) of
offset between the center of the
rocker arm adjusting screw and
that of the exhaust valve stem.
28. Cylinder head bolts.
NOTE: Tighten the cylinder head
bolts in the order shown in the
figure.
Tightening torque:
7.8 - 8.2 kg-m
(56 - 59
lb-ft) (when cool)
IN
8
29. Check the oil clearance between the camshaft and cap with a
"plastigauge".
NOTE: Make sure head bolts are properly torqued after checking
oil clearance.
Limit of camshaft oil clearance: 0.15 mm (0.0059 in)
55