Volvo VNM Manuel de l'opérateur télécharger pdf (Page 295)

288 Engine Start and Operation

Fuel Tank(s)

Tank Cap

DANGER

DO NOT remove the fuel tank cap near

an open flame. Diesel fuel vapors are

combustible and can cause an explosion

or fire, resulting in severe personal injury

or death.

The fuel tank caps have a pressure and a

thermal relief function built into the cap.

These functions are designed to avoid fuel

spills in the event of an accident. The

pressure relief function of the safety venting

system has a crack pressure high enough

to retain fuel in the tank regardless of the

orientation of the vehicle [5 to 8 psi (35 to

55 kPa)].

The thermal relief feature is large enough to

limit tank pressure to a safe level even when

the remaining fuel is boiling in the tank, but

not so large as to dump fuel unnecessarily.

The thermal relief should respond as much

as possible to fuel temperature rather than

flame temperature.

These features are also available on the

optional lockable fuel tank cap.

In the case the cap is lost, it must be replaced

with a cap containing the same features.

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