4-6
DRAINING/REPLACING FUEL FILTERS
WARNING
Diesel fuel is combustible and can
cause severe personal injury or death. Do not
smoke near fuel tanks or fuel-burning equip-
ment or in areas sharing ventilation with such
equipment. Keep flames, sparks, pilot flames,
electrical arcs and switches and all other
sources of ignition well away. Keep a multi-
class ABC fire extinguisher handy.
Keep dirt, water and other contaminants from enter-
ing the fuel system and corroding or clogging fuel in-
jection components.
Draining Water and Sediment: The genset may
have a water-separator type of fuel filter (Figure 4-1,
4-2). Also check for up-stream water-separator type
fuel filters. Drain water and sediment more often
than scheduled (Table 4-1) if fuel quality is poor or
condensation cannot be avoided. Dispose of the
water, sediment and fuel drained off in accordance
with local environmental regulations.
Replacing Fuel Filters: See Table 4-1 for sched-
uled fuel filter replacement. Replace fuel filters (Fig-
ure 4-1, 4-2 or 4-3) if the engine lacks power.
1. Disconnect the negative (−) cable at the battery
to prevent the engine from starting and close
any fuel supply and return valves.
WARNING
Accidental or remote starting
can cause severe personal injury or death.
Disconnect the negative (−) cable at the bat-
tery to prevent the engine from starting.
2. Spin off the old filter with a filter wrench and dis-
pose of it in accordance with local environmen-
tal regulations.
3. Clean the contact surface on the filter base, lu-
bricate the new filter gasket and spin the new
filter on hand tight.
4. Prime the engine for at least 30 seconds
(p. 3-3) to fill the new filter. Run the genset and
check for leaks. Tighten the filter by hand, if
necessary.
Redistribution or publication of this document,
by any means, is strictly prohibited.
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