Выражение встречается в следующем контексте: Check that the delivery pressure or the fluid is sufficient and that the timing of the pressure guage is not at zero; also check that one (может быть здесь должно быть any, а не one ) more of the fuses for the fluids solenoid valves on theterminal board (secondary voltage) have not blown; if this is, in fact.the case,replance them, noting the amperage indicated on the fuses themselves

Заранее спасибо