Hobart 60CU20 Operation And Maintenance Manual With Illustrated Parts List page 78

OM-2226 / Operation and Maintenance Manual
60CU20 / Series 500062 / 400 Hz. Generator Set
The fuel filter must be change after every 500 hours of operation.
To change the fuel filter:
(1) Shut off fuel valve.
(2) Place a pan underneath the fuel filter to catch spilled fuel.
(3) Undo fuel filter with commercial tool and spin off.
(4) Catch any fuel.
(5) Clean any dirt from the filter carrier rim
(6) Apply a light film of oil or diesel on the rubber seal on the new filter.
CAUTION
When installing new element, do not over tighten it; mechanical tools may distort or
crack filter head.
CAUTION
Make sure that all rags, or absorbent sheets, are clear of moving engine parts and
cannot be drawn in to the radiator fan.
(7) Fill new filter with diesel fuel. Screw in the new fuel filter "snug". Check that the cartridge is
seated correctly against the gasket and tighten with a final half turn.
(8) Open fuel valve.
d) Fuel Pump
The fuel pump supplies high pressure to the fuel system so the diesel fuel can circulate freely. This
engine is equipped with a common rail fuel system that is under very high pressure. DO NOT attempt
to crack fuel lines.
WARNING
DO NOT attempt to crack fuel lines. This engine is equipped with a common rail fuel
system that is under very high pressure. Failure to follow this guideline could result in
injury or death.
e) Fuel Return
The fuel return is a fuel line (tube) that takes unused fuel from the engine, and delivers it to the fuel
tank. No maintenance is required.
May 2, 2013 Chapter 2-2
Page 10