Fuel System; Fuel System - Inspect; Fuel Tank - Clean; Fuel Tank - Drain Water - Mitsubishi S6B Operation & Maintenance Manual

Fuel system

Fuel system - Inspect

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.

Fuel tank - Clean

Do not remove the strainer when filling the fuel.
For fuel to be used, refer to
1. Close the fuel feed valve to cut off the fuel supply to the engine.
2. Prepare the fuel receiving can, place it 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.
For more information, refer to the operation manual attached to a fuel tank.
5. Add fuel to the fuel tank.
6. Open the fuel feed valve, and bleed air for the fuel system.
Note: For bleeding fuel system, refer to

Fuel tank - Drain water

If fuel gets mixed with particles of foreign matter 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 [0.53 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 L [0.26 to 0.53 U.S. gal.].
3. Make sure that water and particles of foreign mat-
ter discharged with fuel. Close the drain cock.
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES
"FUEL" (4-1).
"Fuel system - Bleed air" (3-2).

Fig. 8-4 Fuel tank - Drain water

Drain cock
8-5