FUEL TANK
replace the fuel in the tank. By filling the tank in the late
Open the fuel tank drain valve to drain water and
afternoon, this humid air is expelled before the moisture
sediment from the fuel tank.
To minimize water
contamination, fill the fuel tank in the late afternoon: As
can condense on the cool inside walls of the fuel tank.
the fuel is consumed, air with some humidity must
FUEL FILTERS
CLEANING PRIMARY FILTER ELEMENT
INSTALLING NEW FINAL FUEL FILTER ELEMENTS
1. Unscrew and remove the filter. Be sure the old
1.
Stop the engine.
filter gasket does not remain attached to the
2.
Close the diesel fuel supply valve.
filter bun: Leaking between the new and old
3.
Loosen the nut on the cover and remove the
filter gaskets will result.
case and filter.
4.
Clean the element and case in clean kerosene
or diesel fuel.
5.
Before installing the filter, inspect the gaskets.
Install new gaskets if necessary.
6.
Install the cleaned filter element and case.
7.
Prime the fuel system.
REMOVING THE FUEL FILTER
2. Clean the gasket sealing surface of the filter
base.
3. Lubricate the new filter gasket with clean diesel
fuel.
4. Tighten filter by hand until gasket contacts
base;
then tighten 1/2 turn more.
5. Prime the fuel system.
PRIMARY FUEL FILTER
NOTE
Do not pour fuel into the new filter element
before installing.
PRIMING THE FUEL SYSTEMS
If air is trapped in the fuel system, the diesel engine will
either not start, or will misfire.
To prime the system:
1. Stop the engine.
2. Loosen the vent valve on the fuel pump
housing.
CAUTION
Operate the priming pump only when the bleed
valve is open. Avoid bleeding excessive fuel.
3.
Operate the electric starter, or the hand
priming pump if so equipped, until the flow of
fuel from the filter is continuous and free of
VENT VALVE
bubbles.
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