Komatsu 114E-3 Series, Shop Manual, Page: 135 / 342

30 Testing and adjusting SEN00455-01
114E-3 Series
17
q
If the fuel lift pump outlet pressure is
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 and return the
removed parts.
3
Fuel pressure pickup plug:
20 – 22 Nm {2.0 – 2.2 kgm}