1.2
Disassembling Impeller
•
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
1.3
Disassembling Shaft Seal Housing
•
Remove fixed hexagon nut or hexagon head cap screw at motor flange
•
Remove shaft seal housing from motor flange
1.4
Disassembling Mechanical Seal
•
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
Repair Instructions 3AV 30 - 430
4