Gas ballast felt disk change procedure .............................................................................41
Coupling elastic element replacement procedure .............................................................41
Pump overhaul procedure .................................................................................................42
SPARE PARTS ............................................................................................................................42
Spares necessary for normal servicing .............................................................................42
How to order spare parts ...................................................................................................42
Orderable parts ..................................................................................................................42
DE-COMMISSIONING .................................................................................................................42
RETURN FOR REPAIR ...............................................................................................................43
TROUBLESHOOTING .................................................................................................................43
