Festo VOFA-B26-T52-M Series, Руководство по эксплуатации

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VOFA−...
Festo VOFA−... 1004NH English
69
Proceed as follows to replace individual, same−type solenoid valves of the control
block:
1. Switch off the following sources of energy:
operating voltage
compressed air supply.
2. L oosen the screw on the plug socket of the solenoid coil with a slotted−head
screwdriver and pull off the socket.
3. L oosen the two mounting screws of the solenoid valve with an Allen key SW3
and remove the solenoid valve from the control block.
4. Take the new, same−type solenoid valve and check whether the inserted seal is
in the ISO " position for unducted exhaust air (see Fig.13).
The position for ducted exhaust air ( ISO " marking visible) is not permissible.
3
1
2
1
Inspection window at control side 12
2
The seal is visible in the inspection window
on control side 14
3
Designation label
In the depicted, correct position, the
ISO "
marking on the designation label is visible.
Fig.13: Position of the valve seal (here: correct position for unducted pilot exhaust air)