AirTech 3AV255 Reparaturanleitung - Seite 4

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AirTech 3AV255 Reparaturanleitung
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