Download WORKSHOP MANUAL - lombardini service

7
Fuel system
Setting of injector
Remove the non-return valve leaving its metal gasket and fit a cap
screw in its place, that is part of tooling 7107-1460-074.
Mount then head 1 and coupling 2.
Then connect a hand pump as shown in the picture.
The pressure setting must be 140÷155 mm bar.
149
Injector, nozzle projection
To avoid excessive compression of the spark arrester A (fig. 152),
check projection B of the nozzle (fig. 150).
B = 6.80÷7.05 mm.
If this measure is larger put spacer 2 between ring nut 1 and copper
gasket 3.
0.25 mm thick spacers are available.
150
151
Injector, spark arrester
Every time you remove the pump/injector you must replace the
spark arrester, the copper gasket, the oil O-ring, as well as the 2 fuel
O-rings.
Insert the spark arrester in the injector housing with surface A
pointing upwards.
Tighten simultaneously both nuts that fasten it to the head at 20
Nm.
For engines with the injectors fixed with self-locking nuts, tighten
the nuts at 23 Nm.
See page 18 for periodic maintenance details.
152
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FOCS Workshop Manual_cod. 1.5302.858_1° ed_ rev. 00