WORKSHOP MANUAL - lombardini service

4
Disassembly / Reassembly
Injection pump control rod
The injection pump control rod will link injectors to the engine
governor.
Screws 1 and 2 are pivoted on the delivery control lever of each
pump/injector B, unscrew the screws and remove spring 3.
When refitting tighten the screws 1 and 2 at a torque of 1,1 Nm
and make sure that they stop on lever B of each pump/injector and
not on rod A.
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To carry out the delivery equalisation of the injection pumps see
page 67.
To carry out the timing of the injection pumps and speed
governor see page 74.
Fuel rail
When removing the fuel feeding pumps A, with the rail holders B,
pay attention that the sealing O-rings C remain in their seats.
When refitting tighten the rail holder screws at a torque of 4 Nm.
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Pump/injector unit - non-return valve
Non-return valve A immediately stops the engine whenever the stop
is activated.
Dimensions (mm):
LDW
1003
B D E
0,5÷1,15
5,95÷6,
5 7,0÷7, 1
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Note: If the value of B is not achieved, the two rings C are not
subject to enough compression to ensure the seal; any fuel
loss would contaminate the lubrication oil and consequently
damage the engine, F = metal gasket.
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