•
Disconnect all power and utility lines.
•
Markings, e.g. on lines, must not be removed.
•
Do not climb on the component. Use suitable access aids and working
platforms.
•
Mark the lines (if unmarked) prior to disassembly to ensure they are not
confused when re-assembling.
•
Protect open line ends with blind plugs against ingress of dirt.
•
Pack sensitive parts separately.
•
For longer periods of standstill, observe the storage conditions, see .
10.2
Inspections
Between the maintenance periods, the components must be checked for leakage
and proper function.
10.2.1 Product contact seals
Carry out the following steps:
1.
Regularly check:
–
Rod seal between the pig station housing and the pig retainer lantern
–
Rod seal between the pig station housing and the pig actuator lantern
–
O-ring between the pig station housing and the pig actuator lantern
–
O-ring of the pipe connections.
®
Done
10.2.2 Pig
Carry out the following steps:
Carry out the following steps:
1.
Regularly perform a visual inspection of the pig, see “Maintenance” >
“Removing the pig” (page 48) and “Inserting the pig” (page 49).
–
Recommendation: Check the pig for damage, wear and deformation after
20 pig runs and replace if necessary.
2.
With each visual inspection, also check the diameter of the pig.
®
If the outer diameter of the pig is less than the inner diameter of the pipe,
replace the pig.
3.
Log each pig inspection with detailed information regarding the findings.
®
Done
10.2.3 Pneumatic connections
Carry out the following steps:
1.
Check the operating pressure at the pressure reducing and filter station.
Maintenance
Inspections
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