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Countermeasures
No.
(1)
Adjust the pressure so that pilot pressure is within the specified range during operation.
(2)
- Replace the pilot valve assembly.
(3)
Adjust the pressure so that external pilot pressure is within the specified range during operation.
* If incorrect oil has been used for lubrication, remove the oil with air blow, and replace the valve with a new one. If a lubricant is
used in the system after the replacing the valve, use turbine oil Class 1 (with no additive) ISO VG32.
(4)
If there is a large amount of condensate or condensate cannot be removed completely, mount an auto drain or install a dryer
and replace the valve.
(5)
Reduce the supply oil to the amount at which the oil does not splash from the air exhaust port.
(6)
If air leakage is caused by foreign matter, remove foreign matter in the piping by air blow and replace the valve.
(7)
Repair or replace the actuators.
(8)
Stop the air and additionally tighten the bolt.
If the countermeasures above are not effective, there may be a problem with the valve. Stop using the valve immediately.
If any of the examples below are applicable, there may be an internal problem in the valve. Stop using the valve immediately.
1. Oils other than specified were supplied.
2. Lubrication was stopped in the middle of lubrication. Or, lubrication was interrupted temporarily
3. Directly exposed to water
4. Severe impact was applied.
5. Foreign matter such as condensate or rubber entered.
6. Other than those specified, if precautions on the operation manual apply.
*If the product has failed, then please return the valve as it is.
Countermeasures
- 9 -
VG300**-OMH0006-A
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