Kohler KDI 1903 TCR

EN
150
7.10 Fuel system disassembly
7.10.1 Fuel return pipes
1.
Release the clip A .
Warning

After removing the union, the clip A must automatically
return to its initial position; otherwise it must be replaced.
1.
Undo the B distributor return fixing capscrew.
2.
Release the clamp D .
3.
Disconnect the pipe E from the fuel return fitting.
4.
Undo and remove the screw G with the relative gaskets
and put the cap on the Common Rail pressure relief
valve AA .
5.
Disconnect unions M from electronic injectors N .
6.
Remove the fuel return pipes.
Fig 7.39
Fig 7.40
7.10.2 Fuel flow pipes
Important

Seal all openings of the inlet and return unions on the
injection pump D with the relevant caps, in order to
prevent impurities from entering.
1.
Loosen the clamps P .
2.
Remove the pipes Q and R .
Fig 7.41
7.10.3 High pressure fuel pipes
Danger

The fuel injection circuit undergoes high pressure, use
safety protections as described in Par 3.4.3 .

Ensure that the Common Rail is not under pressure by
slowly and carefully unscrewing one of the nuts S .
1.
Loosen the nuts S and T in sequence.
Fig 7.42