Lotus TURBO ESPRIT Service Manual page 153

Page 72
SECTION EA
O n engines from engine number 11276, and earlier engines i f fitted with the
later camshaft housing with a recess machined around the oil feed for an
'0'
ring
:
Seal between the cylinder head and cam housing with Loctite
504
gasket
eliminator and an
'0'
ring fitted over the roll pin dowel. Before applying
new gasket eliminator ensure a l l old gasket elimiminator i s removed from
the mating surfaces of the cylinder head and cam housing. Take care not
to scratch sealing surfaces
-
use a blunt scraper such as the flat end of a
steel rule. Degrease and clean the mating surfaces using methylated spirit
or similar. Lay a thin continuous bead of gasket eliminator (approx 1/16
to
3/32
in. wide) i n the middle of the sealing surface on the cam housing,
following the outer surface around the stud holes.
F i t '0'
ring on cyl inder
head dowel and carefully place cam housing on cylinder head studs and
secure with washers and nuts. Tighten the nuts tb the specified torque
loading diagonal
iy
outwards from the centre.