8.4. MEASURES FOLLOWING MAINTENANCE
THE FOLLOWING STEPS MUST BE PERFORMED WHEN THE MAINTENANCE WORKS HAVE BEEN COM-
PLETED AND BEFORE SWITCHING ON THE SYSTEM.
1. Make sure that all tools, materials and other equipment have been removed from work area.
2. Clean the work area and remove any spilled substances, e.g. liquids, processing material or similar.
3. Make sure that safety relevant components are working perfect.
9. TROUBLESHOOTING
The following section describes possible causes of malfunction and how to eliminate them. If malfunctions
occur with increasing regularity, shorten the maintenance intervals to reflect the actual load. If malfunctions
occur that cannot be eliminated with the following help, please contact the manufacturer (see section 1.8 for
contact details).
9.1. SAFETY NOTES FOR TROUBLESHOOTING
In any case of malfunction, the shut-off valves oft he connected gas cylinder, gas container or bundle must be
closed. Never operate devices with malfunctions under pressure.
WHAT TO DO IN CASE OF MALFUNCTION:
1. Interrupt and ensure gas supply.
2. Depressurize pressure regulators and close valves.
3. Only trained technical staff may eliminate malfunctions.
4. Restore component to its original state.
Description
No flow
No reaction when turning the
handwheel
This table is not comprehensive. In doubt please contact manufacturer.
10. DISMANTLING AND DISPOSAL
Once the system has reached its end-of-life, it must be dismantled and disposed of in an environmentally
compatible way.
10.1. SAFETY NOTES FOR DISMANTLING AND DISPOSAL
WARNING!
•
Risk of injury through incorrect dismantling!
RESIDUAL ENERGY STORAGE, SHARP EDGED COMPONENTS, TIPS AND CORNERS ON AND IN THE
SYSTEM OR ON THE REQUIRED TOOLS CAN CAUSE INJURY.
•
arrange enough space for working
•
be careful with sharp edges
•
pay attention for order and cleanness
•
loose components can cause accidents
•
dismantle the components properly. Bear in mind that some of the components are heavy. Use lifting
equipment if necessary
•
secure the components against falling or toppling over
Reason
Handwheel of shut-off valve
closed
Defect handwheel because
of too high torque, defect of
spindle, defect of thread
19/40
Solution
Open handwheel slowly
Repair by manufacturer
EN