KAMAZ 5490 Operation Manual page 225

- for connecting the fuel tank and the fuel pump it's
preferable to use hose pipes with the inside diameter
about 2 millimeters, as in that case it takes the working
fuel pump a short time to fill the inner volume of the
hose pipe with the fuel.
Fig. 5. Admissible assembling positions of the fuel pump
In assembling the fuel system short radius bends
of sleeves and hose pipes are not allowed, as a bite
(fracture) of the flow passage occurs.
The diagrams of a comparative position of the fuel
tank, the fuel pump and the heater are shown in figures 6
and 7.
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