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FOCS Workshop Manual_cod. 1.5302.351_7° ed_ rev. 06
168
169
8
Pump/injector unit
Designed by LOMBARDINI, the pump/injector is exclusive to FOCS
series engines.
The injection system includes two, three, four identical pumps/
injector units, each one of which feeds a cylinder.
Note: On pumps/injector units of recent construction (for serial
numbers and references see the table on page 78) the pump
has been modified (see fig. 174).
Following to this modification and others like the elimination
of cap 20 of fig. 169 the method of checking the static
injection advance has changed as well, fig. 187-188 as that of
injector setting, fig. 178.
Pump/injector unit, components
1 Seeger ring A Ring nut
2 Tappet B O-ring
3 Stop plate C Nozzle
4 Plunger D Spacer
5 Spring E Pressure rod
6 Screw F Spring
7 Bearing G Spacer
8 Lever I Casing
9 Ring nut L Control spiral
10 Plunger guide O-ring M Plunger guide
11 Cylinder
12 Delivery valve
13 Gasket
14 Spring
15 Filler
16 Pin When remounting the injector tighten ring nut A at 70 Nm
17 O-ring
18 Non-return valve
19 O-ring
20 Cap screw (old type)
21 Metal gasket (new type)
Fuel system
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