Installation, Operation and Maintenance Manual
MAN 689 Rev. 6
June 2021
Installation
Lift
actuators (pneumatic spring-return) by means of the proper lifting points represented
and indicated on actuator by sticking labels. Also refer to Figure 7 for lifting points
positions.
•
For lifting unbalanced loads, use ropes of different lengths or chains with
adjustable length.
•
Check each time the conditions of all lifting equipment used and discard it if
not in perfect working order.
•
Do not knot or twist the ropes so as not to reduce the lifting capacity or
produce torsional effects on the load being lifted.
•
Use the utmost caution and remain at a safe distance from lifted actuator
unless absolutely necessary; do not stand or pass under suspended loads.
•
Pay attention in putting under tension the ropes to prevent the load shifting
sideways in an uncontrolled manner.
•
Use slings of such length that the angles of the leg from vertical are as narrow
as possible (
α
MAX < 20°).
•
During handling, do not transport the suspended actuator above staff
members in charge of the operation.
!
WARNING
Do not use the lifting eyelets on actuator to lift valve + actuator assembly.
Figure 9
!
WARNING
Any lifting method different from what described above is strictly forbidden.
rejects any responsibility for damages to goods or injuries to persons coming from wrong
lifting operations.
LIFTING LUGS TO BE USED FOR THE ACTUATOR
ONLY. DO NOT LIFT VAL
VE AND ACTUATOR
TOGETHER
IS NOT LIABLE FOR ANY PERSONEL INJURY DUE
TO INCORRECT USE
DO NOT DISASSEMBLE TOP OR
BOTTOM COVER. SPRING LOADED.
POTENTIAL ELECTROSTATIC CHARGE HAZARD
REFER TO IOM
11
Section 2: Installation
IS NOT LIABLE FOR ANY PERSONEL INJURY DUE
TO INCORRECT USE
DO NOT DISASSEMBLE TOP OR
BOTTOM COVER. SPRING LOADED.
POTENTIAL ELECTROSTATIC CHARGE HAZARD
REFER TO IOM