Azbil HLS Series User Manual

4-28
4-7. Disassembly and assembly actuator
Disassembly and assembly procedures are described herein. Refer to them for periodic
maintenace or if a malfunction occurs which may call for the disassembly or assembly of the
actuator.
Before disassembly
(1) Only the nuts for the eyebolts are made of stainless steel. Keep these nuts separate from
other nuts when disassembling the diaphragm case.
(2) Make locating marks on the top and bottom diaphragm cases before disassembling the
valve. This will help you to find the air piping connector location easily.
(3) Store the removed parts in a clean place.
CAUTION
Use extreme care when removing the bolts and nuts from the actuator. The actuator
contains powerful compressed springs that may cause physical injury or damage
to equipment. When removing the bolts and nuts, be sure to closely follow the
instructions given for the disassembly and assembly of the actuator and top hand
wheel.
Detaching actuator from valve body
Refer to 4-1 : “Detaching actuator from valve body” on page 4-1.

Azbil HLS Series Specifications

General

Brand	Azbil
Model	HLS Series
Category	Control Unit
Language	English