5 Maintenance
Maintain the valve regularly.
Study the instructions carefully and pay special attention to the warnings!
Always keep spare rubber seals and lip seals in stock.
Check the valve for smooth operation after service.
5.1
General maintenance
Step 1
!
- CAUTION
Alfa Laval cannot be held responsible for incorrect installation.
- Always release compressed air after use.
- Always read the technical data thoroughly.
See section 6 Technical data.
- Always use Alfa Laval genuine spare parts.
The warranty of Alfa Laval products is dependent on use of
Alfa Laval genuine spare parts.
DO NOT DISASSEMBLE
kg
!
Do NOT attempt to disassemble the actuator due to
spring under load danger!
SPRING UNDER LOAD
Do not attempt to cut open
kg
!
If marked with this warning, do NOT attempt to cut
the actuator open, due to spring under load danger!
Step 2
!
Never service the valve when it is hot.
Never service the valve with valve and pipelines under pressure.
Atmospheric
pressure
required!
Burn hazard!
TD 461-636_3
Step 3
!
Never stick your fingers through the valve ports if the actuator is
supplied with compressed air.
Never touch the moving parts if the actuator is supplied with
compressed air.
Air
Moving parts!
Cutting hazard!
Air
TD 461-742_2
22
