Chapter 6 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES
6-2
Draining Water from Fuel Tank
When handling fuel, make sure there are no flames or heat source in the area.
Wipe any spilled fuel completely. Spilled fuel can ignite and cause fire.
Do not remove the strainer when filling the fuel tank.
Use fuel specified in "Fuel" (4-2).
Fuel mixed with water and/or dust not only reduces
the output but can also cause malfunctions of the
fuel system. Drain water from the fuel tank by fol
-
lowing procedures below.
1 Place a fuel receiving tray (capacity: 2 L [0.53 U.
S. gal] or more) under the drain cock on the fuel
tank.
2 Open the drain cock on the fuel tank, and drain
at least 1 to 2 L [0.26 to 0.53 U. S. gal] of fuel.
3 Make sure water and dust particles were
drained together with fuel, then close the drain
cock.
Cleaning inside of Fuel Filters (Wire-Element Type)
Before handling fuel, make sure there is no flame or heat source in the area.
Wipe spilled fuel thoroughly. Spilled fuel can cause a fire.
Check for damage of the filter case, the drain plug threaded section and the sealing washer, if any damage
are found, replace with the new one.
1 Close the fuel feed valve to cut off the fuel supply to
the engine.
2 Place a container under the fuel filter to receive
drained fuel.
3 Drain fuel by removing the drain plug and the sealing
washer.
4 Remove the filter case by loosening the mounting
bolt at the top of the filter.
5 Remove dust and other particles from the element
using the soft brush with diesel fuel.
6 Also clean inside of the case.
7 Reinstall the drain plug, the sealing washer and the
filter case to the original position.
8 Bleed air from the fuel system.
Note: Refer to "Bleeding Fuel System" (3-2) for the procedure for releasing air from the fuel system.
fig.6-3 Draining water from fuel tank
Drain cock
fig.6-4 Cleaning inside of fuel filter (wire-element)
Mounting bolt
Filter case
Wire element
Sealing washer
Drain plug
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