Hatz 2-4L30 Workshop Manual page 85

Assembling:
– Clean the sealing faces on the cylinder
head and cylinder.
Clean the cylinder.
– Install a new cylinder head gasket (88/1)
and sealing rings (88/2).
– Insert the protective tubes (88/3) with
springs (88/4), thrust rings (88/5) and
new sealing rings (88/6) into the bore in
the crankcase. Grease the sealing rings
slightly.
– With the aid of a second person, place
the cylinder head in position, making
sure that the protective tubes with O-ring
seals enter the holes in the cylinder
head correctly.
– Insert the pushrods.
– Install the rocker pedestals. Make sure
that the adjusting screws are inserted
correctly into the pushrods; if necessary,
unscrew them.
– Coat the thread of the tierod in the oil
cavity with sealant D.
– Screw on the shouldered nuts and tigh-
ten them by hand in the order 1 - 15
(Fig. 86 or 87) until they are firmly
against the cylinder head.
– Tighten nuts 1 - 15 to half the specified
torque.
– Tighten nuts 1 - 15 to the full specified
torque.
– Adjust valve clearances.
Note:
The valve clearance for engines with alu-
minium pushrods is 0.40 mm, for engines
with steel pushrods 0.20 mm.
– Further installation is by following the re-
moval instructions in the reverse order.
88
3
L / M . . 09.96