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    . Presetting refuel and non-presetting refuel Fuel d fuel dispenser ispenser’s hose is full of oil in non-presetting refueling progress. Due to the function of solenoid valve in presetting refuel progress, hose is not full as that of non-presetting. Only one refuel mode is adapted in appraisal progress because hose cubage directly affect accuracy of fuel dispenser. Oil Volatility The working media of fuel dispenser always is volatile, vehicle gasoline in particular. Oil volatilization inevitably affect the appraisal result, therefore, it is prohibited to conduct test in large wind or high temperature whether. Chapter VII Failure and Troubleshooting Like any other machinery, fuel dispenser unavoidably appears failure during long time of operation. it is not a simple thing in maintenance progress as judge the trouble part or reason. Since fuel dispenser is composed of varied mechanical, electronic and hydraulic components, a failure maybe caused by diverse reasons or a same reason result in different trouble. In addition, fuel dispenser operates with other exterior devices --- outside power network, tank, delivery pipeline, etc, which also generating abnormal working -- rather than independently. Therefore, fuel dispenser’s functional failure is just phenomenon, mechanical failure is root reason. Only know working principle and structure firstly, can repairer correctly judge failure reason and solve trouble. In order to do that the academic knowledge is needed to support, to learn the relation between causation and phenomenon, and ceaselessly summarize practical experience. In short, as for fuel dispenser’s failure, preventive guideline and strict safety operation regulation, should be carried out, enforcing regulative maintenance and inspection, getting rid of trouble within burgeon state. Owing to various models and structure in dome fuel dispenser stic fuel dispense market, specific type should be maintained in accordance with the User’s Manual, the handbook only presents the common failure and troubleshooting of genera fuel dispenser

technical specification

    QUE   fuel dispenser Date :  POS Department   Description SM DAC Remarques  BF4 TRANSACTION DEBIT B0   MF R f rencement dune carte CB   26.4.3 Acqu rir la structure d une carte ?microcircuit CB B0 X   26.3.1 Acqu rir le code application d une carte ?microcircuit CB B0 X   26.4.1 Contr 磍er le code application d une carte ?microcircuit CB B0 X   MF R f rencement dune transaction   14.2.4 Contr 磍er la capacit de lapplication ?enregistrer la transaction suivante X R ception message 3 par SM   16.1.2 Mettre ?jour le code activation dune t l collecte X   14.1.1 Attribuer un num ro ?la transaction de paiement X   5.5.2 Calculer la date et heure locales dune application X   1 - Ouverture Transaction   14.1.2 Attribuer la date et heure locales ?une transaction de paiement X   MF Contr 磍es dacceptabilit de la monnaie ou devise dune transaction   6.5.3 Contr 磍er laccept fuel dispenser abilit de la monnaie ou devise s lectionn e pour la transaction X   11.1.3 Mettre ?jour le cod fuel dispenser

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