Wet End Reassembly; Detachment Of Impeller; Installation Of Impeller - Sulzer AHLSTAR 2.15 Series Installation,Operation And Maintenance Instruction

Detachment of impeller

1 Fasten the exchange unit firmly to a vice.
2 Unscrew the cap screw socket head (914.11) of the impeller (230.11).
3 Prevent the shaft (210.31) from rotating at the coupling (840.51) end.
4 Detach the impeller by turning it counter-clockwise. Push e.g. pieces of wood between the impeller vanes to
ease the detachment. Never use metal bars or the like, because they might damage the impeller vanes. Fig.
2.
3.2 Reassembly

Installation of impeller

The socket head screw (914.11) must be secured to avoid loosening of the impeller.
When installing the impeller and the sideplate, replace all O-rings with new ones.
ORIGINAL INSTRUCTION
USER'S MANUAL – AHLSTAR
Corrective maintenance
SPP id: Version 14 > / 140901 / Replaces 140530 / en / N32198 / 3 / Page 5 (27)
250
W A R N I N G
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2
40
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Fig. 1
Fig. 2
N O T E
Series 2.15 Page
INSTRUCTIONS ISO
September 2014 G
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