7 Servicing/Maintenance
40 of 60
Multi Eco
5. Take off fan impeller 831.
6. Undo the shaft nut; remove and discard the washer.
7. Pull the complete stage assembly off the shaft.
8. Dismantle impellers 230, diffusers 171 and sealing element of stage casing
412.02. Remove and discard O-ring 412.01.
9. Remove and discard circlip 932.03 (used for locking the mechanical seal).
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