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KD 702_1003_1404 Workshop Manual_cod. ED0053029340_1° ed_ rev. 00
170
171
172
10
Plunger barrel ring nut assembly/disassembly
To disassemble ring nut (9 g. 169) use the suitable wrench A
se.no. 7107-1460-029
When retting tighten it a torque of 34 Nm.
Plunger injection pump reassembly
To be able to insert the plunger in its barrel press with a nger
and at the same time slowly rotate lever (8 g. 171) until guide M
of the plunger (g. 172) enters the lever seating.
Note:
If by mistake the plunger is mounted with the spiral in
the wrong direction the pump won’t function (there is no
danger that the engine runs away).
Injection pump assembly/disassembly
Disassemble the unit following the progressive order of g. 169.
Reassemble following the same steps in reverse order.
During reassembly, turn the plunger spiral L towards the non-
return valve 19, as follows.
Fuel system
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