Speck pumpen V 430 - 4 Identification; 5 Permissible operating modes

Assembly Instructions V 30 - 430
Speck Pumpen Vakuumtechnik GmbH
zertifiziert: DIN EN ISO 9001
4
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