5 Maintenance
Study the instructions carefully.
The items refer to the parts list and service kits section.
Handle scrap correctly.
Always useAlfaLavalgenuinespareparts.
Step 5
1. If present, unscrew flushing tubes (66) and remove o-rings (67)
and nozzles (68 + 69).
2. Pull out upper sealing element (48) from intermediate piece (37).
3. Pull out o-ring (47), lip seal (49) and o-ring (46) from upper
sealing element.
Step 6
Remove lip seal (57) (or spray nozzle (58) if valve is supplied with
Spiral-Clean). For removal and replacement of seal ring (56),
please see section 5.3 Lower plug, replacement of radial seal.
5.3 Lower plug, replacement of radial seal
Step 1
Cut and remove old seal ring (74) using a knife, screwdriver or
similar. Be careful not to scratch the plug.
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