Lombardini LDW 502, Service Manual

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service manual
mod. 051135
7
A
B
E
F
D
C
H
7.6.1 Assembling the precombustion
chamber
Important
Check that the contact surfaces are
perfectly clean and intact.
1 - Install the precombustion chamber (A), so
that its hole coincides with the one on the
pre-heating glow plug.
2 - Insert tool “7107-1460-031” into the seat
of the preheating glow plug in order to lock
the chamber while the ring nut (B) is being
tightened.
7.6 INSTALLATION OF CYLINDER HEAD AND COMPONENTS
3 - Apply some anti-seize product to the ring
nut thread (B) and to the surface that is in
contact with the precombustion chamber.
4 - Mount the ring nut (B).
5 - Tighten the ring nut to a temporary torque
of 100Nm.
6 - Make sure that the precombustion
chamber protrusion (C) is between
3.56÷4,04 mm. If the protrusion (C)
exceeds the recommended value, insert a
shim (D) (provied ad spare part) beneath
the precombustion chamber (A).
7 - Tighten the ring nut to a final torque of
180Nm.
8 - Remove the tool and install the preheating
glow plug (E).
9 - Tighten the glow plug to a torque of 20 Nm.
10 - Repeat the same operations on the other
chamber.
11 - Connect the glow plug power supply cable
(F).
tool 7170-1460-031
INSTALLATION OF ASSEMBLIES