8-7
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES
Fuel System
Fuel System - Inspect
Fuel Tank - Clean
1. Close the fuel feed valve to cut off the fuel supply to the engine.
2. Place a fuel container under the drain cock.
3. Drain all fuel in the tank from drain cock on the bottom of fuel tank.
4. Clean the inside of fuel tank.
5. Add fuel to the fuel tank.
6. Open the fuel feed valve of the engine.
Note: If the specification of fuel tank differs from the contents of this operation manual, follow the fuel tank manufac-
turer's operation manual.
Fuel Tank - Drain Water
If fuel gets mixed with foreign material particles such
as dust, dirt, or water, it can cause not only decrease
of output but also malfunctions of the fuel system. To
avoid such a problem, drain fuel tank as instructed
below.
1. Place a fuel container (capacity of 2 L [0.5 US gal.]
or more) under the drain cock of fuel tank.
2. Open the drain cock of fuel tank and drain fuel at
least 1 to 2 L [0.3 to 0.5 US gal].
3. After making sure water and foreign material parti-
cles has been discharged with fuel, close the drain
cock.
Note: If the specification of fuel tank differs from the
contents of this operation manual, follow the fuel
tank manufacturer's operation manual.
Fig. 8-5 Fuel Tank - Drain Water
When handling fuel, make sure there are no open flames or other fire hazards near the engine.
Wipe off any spilled fuel completely. Spilled fuel can ignite and cause a fire.
For fuel to be used, refer to"FUEL" (4-1).
Drain cock
Water
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