Maintenance
7
Maintenance
WARNING
Risk of injury and poisoning due to hazardous media liq-
uids!
Use personal protective equipment when carrying out any
work on the fitting.
7.1
Servicing
1. Visual and function check (every three months):
–
Normal operating conditions unchanged
–
No leaks
–
No unusual operating noises or vibrations
2. Ensure that fitting functions properly (opening, closing)
3. Clean fitting with a moist cloth if necessary.
4. Fail safe version:
–
Open and close the fitting once in emergency operation
(battery operation without supply voltage)
–
in the case of safety-related applications, replace the
battery yearly
–
otherwise replace the batteries every 3 years
7.2
Maintenance
DANGER
Risk of electrocution!
All electrical work must be carried out by qualified electri-
cians only.
WARNING
Risk of injury and poisoning due to hazardous or hot
media.
Use personal protective equipment when carrying out any
work on the fitting.
Safely collect the media and dispose of it in accordance
with environmental regulations.
WARNING
Risk of injury during disassembly!
Wear protective gloves, components can be very sharp-
edged due to wear or damage.
Remove components with springs (e.g. pneumatic drive)
carefully, since spring tension can cause components to
be ejected.
7.2.1
Removing fitting
1. Ensure that:
–
System is empty
–
System has been flushed
–
System is depressurized
–
System has cooled down
–
System is secured against being switched back on
again
2. Remove fitting from the pipe.
3. Decontaminate fitting if required.
–
Dead space in the fitting may still contain medium.
7.2.2
Fixing leaks in the port
1. Removing fitting
(→ 7.2.1 Removing fitting, Page 10).
2. Replace ball seals and/or ball.
3. Install fitting
(→ 5.3 Installing fitting in pipe, Page 7 ).
7.2.3
Fix leakage at ball valve stem
1. Removing fitting
(→ 7.2.1 Removing fitting, Page 10).
2. Replace the O-rings on the ball valve stem.
3. Install fitting
(→ 5.3 Installing fitting in pipe, Page 7 ).
7.3
Replacement parts and return
1. Have the following information ready to hand when order-
ing spare parts (→ type plate).
–
Fitting type
–
ID number
–
Nominal pressure and diameter
–
Body and seal material
2. Please complete and enclose the document of compliance
for returns (→
www.stuebbe.com/en/service/downloads
).
3. Only use spare parts from STÜBBE.
10
C 110
BA-2022.07.19 EN
300 876
