AirTech 3AV155 Istruzioni per la riparazione - Pagina 4
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Repair Instructions 3AV 30 - 430
Disassembling Impeller
1.2
•
Block the impeller (230) at shaft seal housing (441)
•
Remove fixed hexagon nut from impeller adjusting screw
•
Remove impeller (230) from shaft
•
Remove impeller screw (906) and distance springs (950) from shaft. Notice position of distance
springs
Disassembling Shaft Seal Housing
1.3
•
Remove fixed hexagon nut or hexagon head cap screw at motor flange
•
Remove shaft seal housing from motor flange
Disassembling Mechanical Seal
1.4
•
Turn around shaft seal housing
•
Press mechanical seal out of seat at shaft seal housing (back side)
•
Remove rotating part of mechanical seal at impeller
4