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88DU
Installation
GB
490070GB
FUEL CONNECTIONS
Things to note about the connections
The standard length of the fuel hose is 4 m (max 8 m). Cut the fuel hose to a length
suitable for installation.
The lift height of the pump should be less than 2 m; preferably 0.5 – 1 m.
The fuel pipe must always have a
fi
lter. The fuel
fi
lter can be installed either near
the device, near the tank, or in another location where it can be easily checked and
replaced, when necessary.
All connections should be made with rubber or silicone hose which is resistant to
diesel.
Country-speci
fi
c requirements
The standard fuel hose is plastic. Please observe country-speci
fi
c requirements
with regard to the material of the fuel hose/pipe and the fuel
fi
lter. The inner diam-
eter of a new replacement hose must be equal to the inner diameter of the plastic
hose.
Copper pipe and metal
fi
lters are available as accessories.
The fuel connections must be tightened
fi
rmly so as to not allow air to
leak into the hose. Always check the cleanliness of the connection sur-
faces before tightening.
Air will cause the device to malfunction.
Fuel feed
If the lift height is outside the recommended 0.5 – 1 m, the fuel feed must be
checked and, if necessary, adjusted. The fuel feed must also always be checked,
if parts of the fuel system, such as the pump or the electronics card, have been
replaced.
Fuel system adjustments are device speci
fi
c. We recommend that the adjustment
be carried out by an authorised service shop.
Optimal fuel tank
location
TANK
TANK
MAXIMUM
OPTIMUM
0,5 m
1 m
2 m
Checking /
adjustment
Checking /
adjustment
TANK
88DU_GB.indd 12
11.06.2008 10:42:39
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