Azbil HLS Series User Manual

4-36
2. Assembly of piston unit, lift stopper and spring retainer
Step Procedure
1 Install eyebolts into threaded holes (M12*2) at the top of spring retainer No.9 on
the piston unit, suspend with crane and lift upward.
2 While suspended, assemble lubricated O-ring No.15 and wear ring No.14 on
piston No.3.
3 Assemble piston unit in cylinder No.14 from the top. See to it that the round hole
of rod 1 is on the front.
4 Assemble lift stopper seal No.12 in the slot on the top of cylinder no.14.
5 Insert lift stopper No.13 from the top and fix by hex stay No.4 (four).
Screw in on the ones of the same length diagonally.
6 Assemble so that the hex stays No.4 fit into bolt holes of spring retainer No.10.
7 Fix spring retainer No.10 with hex head nuts No.2 (four).
8 Install eye nuts No.1 (two) on hex stay No.4.
Assembly of actuator without manual handwheel
When assembling an actuator without a manual handwheel, follow the procedure given in
“Assembly of actuator with manual handwheel” on page 4-40 except the applicable parts to
actuator.
Parts to be replaced
The actuator's parts have been designed to withstand prolonged usage. However, it is
recommended that the following parts be replaced at these intervals:
Tape liner.................. Every five years
Bushing..................... Every five years
Seal washer............... Every five years
Dust seal................... Every five years (to be replaced when disassembled)
Rod packing............. Every five years (to be replaced when disassembled)
O ring........... ............ Every five years (to be replaced when disassembled)

Azbil HLS Series Specifications

General

Brand	Azbil
Model	HLS Series
Category	Control Unit
Language	English