Komatsu ecot3 PC300LC-8 Shop Manual page 364

SEN02625-06
If the fuel lift pump outlet pressure is
q
not in the standard range while fuel is
in the fuel lift pump, remove check
valve (8) of engine controller cooling
plate (7) and check to see if the valve
is seized.
4) After finishing measurement, remove the
measuring instruments
removed parts.
3
Fuel pressure pickup plug:
24
and return
20 - 22 Nm {2.0 - 2.2 kgm}
the
30 Testing and adjusting
PC300, 350-8