2. Transportation and Installation
2-9
2.5 Fuel Pipe Selector Valve
2.5.1 Overview
This valve is designed to feed fuel directly from an external fuel tank or from the installed fuel tank as
described below.
2.5.2 Operation method
<Procedure>
1.
Machine is delivered from factory with fuel line piping and selector valves built in as shown in the
following Fig.1. When operating a machine, using installed fuel tank, run the machine with the fuel
line piping and the handles of selector valves factory-arranged.
2.
When using a separate storage tank, remove the plug fitted at the connections to the separator tank
and make piping as shown in Fig.2. And then turn the handles of the selector valve as shown in
Fig.2.
3.
When removing the piping connection, make sure to return the handles to the original positions
shown in Fig.1 and install the plugs.
2.5.3 Installation of Separate Storage Fuel tank and piping method
<Procedure>
1.
Use oil resistant hoses
with an
inside diameter of 8mm to 10mm.
2.
Install the fuel tank so that the fuel level of the tank
is between
0
and
2.5m high from the machine
installation level.
3.
In order to avoid suction of water and sediment together, install the suction pipe so that the inlet
port of suction pipe may be kept
between
15mm
and
20mm
higher than
the bottom line of the tank.
Also install the outlet port of the return pipe inside the tank.
(See Fig.2
・
A)
4.
When refilling fuel in the tank, take great care to not allow water and sediment in.
A130861
In case the mounted
fuel tank is used
In case the fuel tank
separately provided is used
Inlet
Outlet
Selector handle
Inside
Outside
Plug
Outlet
Inlet
Selector handle
Inside
Outside
Piping hose
Outlet
Inlet
Suction side
Return side
A
15 to 20mm
The ground plane of generator
Separator
storage tank
(External fuel
connection port)
Fig 1 Fig 2
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