Speck pumpen Normblock Installation & Operating Manual page 103

Shaft unit see order.
4)
7 Servicing/Maintenance
7.5.3 Fitting the impeller
✓
The notes and steps stated in (⇨ Section 7.5.1 Page 41) to (⇨ Section 7.5.2 Page
41) have been observed/carried out.
✓
The pre-assembled unit (motor, shaft, drive lantern, casing cover) as well as the
individual parts have been placed in a clean and level assembly area.
✓
All dismantled parts have been cleaned and checked for wear.
✓
Any damaged or worn parts have been replaced by original spare parts.
✓
The sealing surfaces have been cleaned.
1. Insert key 940.01 and slide impeller 230 onto shaft 210.
2. Fasten impeller nut 920.95, safety device 930.95 and disc 550.95, if any. Observe
the tightening torques. (⇨ Section 7.6 Page 45)
7.5.4 Installing the back pull-out unit
WARNING
Back pull-out unit tipping over
Risk of squashing hands and feet!
▷ Suspend or support the back pull-out unit at the pump end.
✓
The notes and steps stated in (⇨ Section 7.5.1 Page 41) to (⇨ Section 7.5.3 Page
43) have been observed/carried out.
✓
Any damaged or worn parts have been replaced by original spare parts.
✓
The sealing surfaces have been cleaned.
1. If required, suspend or support the back pull-out unit to prevent it from tipping
over.
2. Fit new gasket 400.10 into the recess of volute casing 102.
3. On variants with a bolted casing cover undo forcing screws 901.31 without
removing them.
4. Insert the back pull-out unit into volute casing 102.
5. Depending on the pump size and motor size, fit support foot 183.
6. Tighten hexagon nut 920.15 (on variant with a bolted casing cover) or 920.01
(on variant with a clamped casing cover) at volute casing 102.
7.5.5 Mounting the motor
DANGER
Incorrect shaft connection
Explosion hazard!
▷ Connect the shafts between pump and motor as described in this manual.
Normblock
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