![Alfa Laval Unique Valve Скачать руководство пользователя страница 16](http://html1.mh-extra.com/html/alfa-laval/unique-valve/unique-valve_instruction-manual_2895033016.webp)
5 Maintenance
Maintain the valve regularly.
Study the instructions carefully and pay special attention to the warnings!
Always keep spare rubber seals in stock.
Check the valve for smooth operation after service.
5.1
General maintenance
Below are some guidelines for maintenance and lubrication intervals. Please note that the guidelines are for normal
working conditions in one shift.
Valve rubber seals
Actuator rubber seals
Preventive
maintenance
Replace after
12 months
Replace after
5 years
Maintenance after
leakage (leakage
normally starts slowly)
Replace at the
end of the day
Replace when
possible
Planned
maintenance
-
Regular inspection
for leakage and
smooth operation
-
Keep a record of
the valve
-
Use the statistics for
planning of inspections
Replace after leakage
-
Regular inspection
for leakage and
smooth operation
-
Keep a record of
the actuator
-
Use the statistics for
planning of inspections
Replace after leakage
Lubrication
Before fitting
USDA grade lubricant
Before fitting
Oil or grease
(USDA H1
approved oil/grease)
Pre-use check:
Air
1. Supply compressed air to the actuator.
2. Open and close the valve several times to
ensure that it operates smoothly.
Pay special attention to the warnings!
2603-0008
Recommended spare parts
Service kits (see page 22)
16