Cylinder Head Installation; Cylinder Head Bolt Tightening - Winnebago 1987-1989 LeSharo Service Manual

ENGINE OVERHAUL
&
REBUILD
CYLINDER HEAD INSTALLATION
INSTALL CYLINDER HEAD ASSEMBLY
• Install Cylinder Head Locating Tool Mot. 720.
• Remove Cylinder Liner Clamps
• Install the cylinder head gasket.
• Use Locating Tool at (A) and the dowel (B) for
alignment.
• Position the cylinder head on the cylinder block.
Mot. 720
• Position the camshaft in the cylinder head.
• Position the rocker assembly in the cylinder head
with the rocker arm adjusting screws backed off.
• When installing the rocker arm assembly
components, ensure that the number five (5)
bearing retainer pin (E) is correctly seated.
• Insert and tighten the cylinder head bolts.
Cylinder head bolt tightening:
• Use the tightening sequence illustrated below.
i
I
i
I,
• Initially tighten the bolts to 5.0 daNm (37 Ib.lft.)
torque.
• Next, tighten the bolts to 8.0 daNm (59 Ib.lft.)
torque.
• For the final tightening, loosen the bolts 1/2 turn
and then tighten them to 8.8 - 9.8 daNm (65-72
Ib.lft.) torque
• Remove Locating Tool
B3-43
®0C0®®
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