Speck pumpen BADU Block Series, Инструкция по установке и эксплуатации

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CAUTION
Elastomers in contact with oil/grease
Shaft seal failure!
▷
Use water as assembly lubricant.
▷
Never use oil or grease as assembly lubricant.
4. Carefully insert the mating ring. Make sure to apply pressure evenly.
5. On variants with a bolted casing cover undo forcing screws 901.31 without
removing them.
6. Place casing cover 161 into the locating fit of drive lantern 341.
7. Fit and tighten hexagon nuts 920.01 and/or 920.15, if any.
NOTE
To reduce friction forces when assembling the seal, wet the shaft sleeve and the
location of the stationary ring with water.
8. Fit the rotating assembly of the mechanical seal (primary ring) on shaft sleeve
523.
Observe the following installation dimension b for mechanical seals with installation
length L
1k
to EN 12756 (design KU):
b
1 2 4 3
Fig. 5: Installation dimension b of mechanical seal
1 Impeller 2 Shaft sleeve
3 Mechanical seal 4 Casing cover
Table 14: Installation dimensions of the mechanical seal
Shaft unit 3)
Installation dimension b
25 7.5 mm
35 10 mm
55 15 mm
7.5.3 Fitting the impeller
✓
The notes and steps stated in (
⇨
Section 7.5.1 Page 35) to (
⇨
Section 7.5.2 Page
36) 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Any damaged or worn parts have been replaced by original spare parts.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 40)
3) Shaft unit see order.
7 Servicing/Maintenance
BADU ® Block 37 of 52