4.7. General information about cleaning and repair of a fuel tank
Any repair of a fuel tank and jellied mouth should be carried out by the professional having experience in such critical and potentially dangerous work. Even after cleaning and washing of fuel system explosive pairs can remain and during repair of a tank to ignite.
If the fuel tank is removed from the car, it it is necessary to arrange in a zone inaccessible to sparks or open fire which can ignite pairs leaving a tank. Be especially careful in garages where the equipment on natural gas as the match can cause explosion is located.