Dynacut MDM Посібник з експлуатації - Сторінка 13
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Connections:
The connection of the system may only be carried out by appropriately qualified
and instructed personnel. The instructions contained in this operating instructions
must be observed.
Compressed air supply:
Before connecting the compressed air line, ensure that the main air valve is closed.
The minimum quantity lubrication systems may only be operated with the specified maximum
operating pressure. Higher pressure causes danger for human and machine.
Commissioning:
For the commissioning of the minimum quantity lubrication systems, the flooding of the
transport lines, the setting of the operating parameters and a functional test are important.
Flooding of the transport lines:
In the delivery state, the capillary hoses of the transport lines are not filled with lubricant. In
order to fill the often meter-long lines, the system would have to remain switched on for an
extended period while the lubricant slowly travels to the spray nozzle. In order to speed up
this process, a flooding of the transport lines should be carried out during initial
commissioning. Long waiting times before the first use are thereby avoided.
The procedure for flooding the transport lines is as follows:
Close hand valves for atomizer air and coolant (9 and 10 Fig. 2).
Connect the system to the compressed air supply.
Use the pressure reducing valve (7 Fig. 2) to adjust the operating pressure to 0.3 to 1.5 bar,
depending on the viscosity of the coolant.
Hold the spray nozzles as far down as possible into a lubricant collecting tank.
Open hand valve for lubricant. (10 Fig. 2).
Fully open the lubricant control valve (2 Fig. 1) to increase lubricant flow.
As soon as the lubricant exits the nozzle without bubbles, close the lubricant control valve as
far as it will go.
Close the hand valve.