Azbil HLS Series User Manual

4-27
Procedure
Step Procedure
1 Pull AUTO/MANUAL switchover pin out of its holder and disengage the chain,
that connects the handwheel with the wheel.
2 Check the label on the handwheel and turn the handle in the shut direction and
lower the slide screw.
3 Align the round holes of the slide screw and the actuator rod, and then insert
pin. Push it all the way in and fix it there.
4 Verify OPEN and SHUT arrows on the label, and turn the handwheel either
direction to open or close the valve. The turning torque should be under
127N(13kgf).
5 When the handwheel does not turn any further, check valve opening and then
finish.
CAUTION
Do not apply undue force onto the valve when it comes to full stop.
Otherwise the valve stem may be damaged. Refer to “Chapter 12.
Troubleshooting” for remedial action.
6 To resume automatic operation, remove the switchover pin, turn handwheel
until the slide screw stop reaches AUTO position (see Figure 4-25 below).
Run the chain on the pin through in order to restrict handwheel move ment
and fix the pin on the holder. Resume automatic operation after verifying this
condition.
Figure 4-25

Azbil HLS Series Specifications

General

Brand	Azbil
Model	HLS Series
Category	Control Unit
Language	English