8-6
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 drip tray 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, and bleed air for the fuel system.
Note: (a) For bleeding fuel system, refer to
"Fuel System - Bleed Air" (3-2)
.
(b) If the specification of fuel tank differs from the contents of this operation manual, follow the manufacturer's
operation manual.
Fuel Tank - Drain Water
If fuel gets mixed with particles of foreign material
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
described below.
1.
Prepare the oil pan (capacity of 2 L [0.5 U.S. 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 liters.
3.
Make sure that water and particles of foreign mate-
rial discharged with fuel. Close the drain cock.
Note: If the specification of fuel tank differs from the
contents of this operation manual, follow the
manufacturer's operation manual.
Fig. 8-4 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.
Drain cock
Water
