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EM–48
ASSEMBLY OF CYLINDER HEAD
NOTE:
•
Thoroughly clean all parts to be assembled.
•
Before installing the parts, apply new engine oil to all
sliding and rotating surfaces.
•
Replace all gaskets and oil seals with new ones.
1. Assembly of cylinder head (When a new cylinder head is
installed:)
When a new cylinder head is installed, spark plug tubes
and a heater outlet tube have been furnished separately.
Assemble these parts, following the procedure given
below.
(1) Wash the cylinder head in cleaning solvent and dry it
with compressed air.
(2) Apply a thin film of the Three Bond 1377B to the cylin-
der head attaching surfaces for the spark plug tubes.
(3) With a wooden piece or the like placed on the upper
end of the spark plug tube, drive the spark plug tube
into the cylinder head in such an extent that the dis-
tance between the spark plug tightening surface and
the upper end of the spark plug tube becomes
139 mm.
NOTE:
•
Be very careful not to drive the spark plug too deeply.
•
Be very careful not to damage the upper end of the
spark plug tube.
•
When driving the spark plug tube into position, make
sure that the tube will not tilt in relation to the cylinder
head tube hole.
(4) Put a mark at a point 45.0 ± 1.0 mm from the forward
end of the heater outlet tube.
JEM00191-00000
JEM00192-00176
JEM00193-00177
JEM00194-00178
JEM00195-00179
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