Lombardini LDW 502, Service Manual

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service manual
mod. 051135
7
H
L
G
B
A
7.6.2 Assembling cylinder head
Important
– Make sure there are no foreign bodies
or residual material in the cylinder head
cavity.
– Check that the contact surfaces are
perfectly clean and intact.
1 - Slip on a new gasket (G).
2 - Choose the gasket shim to be installed
(see “Check clearance volume”)
3 - Make sure that the length of the screws
(H) does not exceed 92mm, otherwise
replace.
4 - Lubricate the screws copiously (H).
5 - Mount the cylinder head (L) and put in the
screws (H).
6 - Tighten the screws in sequence (see
diagram) to a temporary torque of 40 Nm.
Important
Use a torque wrench with an angle torque tool to
tighten the screws.
7 - Tighten the screws further clockwise, rotating 90°.
8 - Tighten the screws to their final torque, rotating 90.
Important
If the screws (H) belong to 10.9 class, the tightening
torque is 60Nm and it is not necessary to tighten them
further.
7.6.3 Assembling the camshaft
Important
Make sure that the camshaft and it’s
housing are perfectly intact and clean.
1 - Lubricate the camshaft (A) and its housing.
2 - Insert the camshaft into its housing.
3 - Mount a new O-ring onto the cover (B).
4 - Mount the cover (B) and tighten the screws
to a torque of 10 Nm.
INSTALLATION OF ASSEMBLIES