- 5 -
3. Operation
3.1 Inspections before Operation
A) Check whether there is any leak from all connections including the air pipe connections.
B) Check whether the attached manual hand wheel is at the Neutral position.
C) Check whether the air pressure required for valve operation is accurately set.
(Cylinder Actuator: 5.0 kgf/cm
2
, Special specification: 6.0 kgf/cm
2
)
- WARINING -
①
Remove air pressure from the actuator before using the manual hand wheel.
If you use
the hand wheel without removing air pressure, it may not work normally and its weak
part may get damaged by overstrain.
②
If the manual hand wheel is not at the neutral position during control operation, it may
not work normally and its weak part may get damaged.
③
If you use a pressure higher than the specified pressure on the name plate, the rubber
and O-rings of the actuator may be damaged and cause operation problems.