Series 110
MAINTENANCE
283289EA
Edition 2013-06-26
13/22
6
Maintenance
WARNING
Unqualified personnel
Inappropriate handling may cause serious injury or property damage.
Only qualified personnel are allowed to carry out the described work.
WARNING
Heavy weight
Physical overstraining.
Use a crane to lift the product.
6.1
Maintenance intervals
Under clean operating conditions the valve does not require any maintenance during
200 000 cycles. After 200 000 cycles, VAT recommends replacing the mechanism unit;
see chapter «6.2 Replacement of valve gate / mechanism unit».
For more information or a general overhaul please contact one of our service centers. You
will find the addresses on our website www.vatvalve.com.
6.2
Replacement of valve gate / mechanism unit
WARNING
Loaded spring steel sheet
Human body parts may get jammed and severely injured.
Do not put human body parts between valve gate and spring steel sheet.
NOTICE
Contamination
Product may get contaminated.
Always wear cleanroom gloves when handling the product.
NOTICE
Inappropriate tools
Sealing surfaces may get damaged.
Do not use sharp-edged tools.
