Hardi Mercury Series, Инструкция

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5 - Operation
73
CB operating unit
1.
Pressure equalisation device on the section valve. Turn left, or right to
increase or decrease the pressure change that occurs when turning
the section off/on. This is done once for all. If nozzles are changed, it
may require to repeat the procedure.
2.
Pressure regulation, no adjustment is needed. This photo illustrates a
2 section operating unit CB2.
CB operating unit with bypass valve
The operating unit is used in case of low dose rates, as it is often the
case in pneumatic sprayers, equipped with an additional bypass
valve.
Open the valve to allow a certain quantity of flow return freely to
tank. This provides a pressure drop in the system, and allows the
pressure A to come very low..
Clock wise = closing
Anti-clock wise = opening
1 1
2
A