Wilo Atmos GIGA-N Instrucciones De Instalación Y Funcionamiento página 69

9.5.1 Dismantling the slide-in unit
Installation and operating instructions Wilo-Atmos GIGA-N
Maintenance/repair
1.1 1.2
Fig. 19: Removing the slide-in unit
7.2 7.1 7.1
Fig. 20: Dismantling the slide-in unit
1. Mark positions of the parts that belong together with a coloured pen or scriber.
2. Remove the hexagon head screws (14).
3. Carefully pull the slide-in unit straight out of the spiral housing (1.1) to avoid dam-
age to interior parts.
4. Put the slide-in unit down at a safe workplace. To continue dismantling the slide-
in unit, fix it vertically in position with the drive shaft facing downward. The kit
must be removed vertically to avoid damage to the impellers, neck rings and other
parts.
5. Remove the housing seal (1.2).
6. Remove the hexagon head screws (7.2) and remove the protective grid (7.1).
7. Loosen the impeller nut (2.2) and remove along with the lock washer and impeller
disc.
Version with mechanical seal (optional: mechanical seal on the sleeve)
9.2 9.1 10
Fig. 21: Version with mechanical seal
7.2 2.2 2.1 3.2
15
en
14
7.2
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