Lombardini LDW 502, Service Manual

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service manual
mod. 051135
7
E
F
C
B
A
D
7.6.7 Assembling the rocker arms
Important
Check that the contact surfaces are
perfectly clean and intact.
1 - Press down hard on the pump stroke to
insert the pin, which facilitates assembly
of the drive rods (B).
2 - Mount the rocker arm assembly (A).
3 - Insert the pump injector activation drive
rods (B).
4 - Tighten the nuts by hand.
5 - Tighten the nuts to a temporary torque of
20 Nm.
6 - Tighten the screws in an alternating pattern
to a final torque of 40 Nm.
7 - Remove the pins and check that the rocker
arms (B) have been inserted correctly.
7.6.8 Assembling the rocker arm cover
Important
– Make sure that the rocker arm cover is
perfectly clean and dry.
– Check that the contact surfaces are
perfectly clean and intact.
1 - Slip on a new gasket (C).
2 - Apply some silicone sealant on the fuel
rail seat (D).
3 - Mount the cover (E) and fasten the screws
without tightening them.
4 - Tighten the screws in a crisscross pattern
to a final torque of 10 Nm.
5 - Assemble the negative-pressure vent valve
(F).
INSTALLATION OF ASSEMBLIES