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Remedy
Replace part.
Re-wire correctly.
was carried out excluding above-mentioned.
Replace valve.
Replace part or re-wire positively.
Repair or replace actuators.
After stopping air and re-tighten the bolts.
⑥
Check voltage. Replace valve.
In addition, in the case of trouble, please send it back to the supplier for repair or replacement.
1. Voltage out of rated voltage has been used.
If no improvement is achieved in spite of the above countermeasure, inside of the valve may have some
abnormality. In this case, stop using the valve immediately.
If any of followings are carried out, inside of the valve may have some failure. In this case, stop using
the valve immediately.
2. Oil other than the specified one has been lubricated.
7. Prohibited way of using the valve which is written at "Precautions" section in this operation manual
3. Lubrication has been stopped intermediately, or lubrication was suspended temporary.
4. Water splashed directely.
5. Strong impact was given.
6. Alien substance such as drain and particle got into. Drain or garbage invaded a valve.
⑨
⑩
⑤
・
When a large quantity of drain is given and cannot carry out drain omission surely, install either an
auto-drain or a dryer.The valve should be replaced.
・
If wrong oil is used, completely air blow to remove oil, and replace valve. After valve is replaced,
use turbine oil class 1 (ISO VG32).
⑧
⑦
Protect the valve so that water does not splash the coil. Replace valve.
In case of intrusion of foreign matter, to remove foreign matter by air blow of piping and then replace
valve.
No.
Remedy
③
②
①
Regulate voltage so that the voltage at the time of the operation becomes specifications range.
⑪
④
- 14 -
VK300
∗∗
-OMH0002-C