Azbil HLS Series User Manual

7-10
(b) Reverse Action Type
(1) Disconnect the air piping.
(2) Set the handwheel shaft in the automatic operation position (fully lower the handwheel
shaft).
(3) Remove the handwheel and the lock nut. Insert the shaft into the housing by means of the
threading until the threading sections are disengaged.
(4) Remove the top diaphragm case. When doing this, loosen the pair of eyebolts uniformly
and alternately, after removing all other clamping-bolts of the diaphragm use.
(5) Remove the housing by loosening its clamping-screws.
(6) Remove the setscrew and then remove the bearing case.
(7) Remove the pin and then remove the castle nut.
(8) Remove the bearing retainer and then remove the bearing.
To assemble the top handwheeI, follow the disassembly procedure in the reverse order.
(c) Inspection After Assembly
(1) Check that the handwheel turns smoothly for the full stroke.
(2) For the direct action type of actuator, check by means of soapsuds that there is no air leak
from the connecting sections of the housing and top diaphragm case.

Azbil HLS Series Specifications

General

Brand	Azbil
Model	HLS Series
Category	Control Unit
Language	English