30
6.4.4 Assembly of the pump
D A N G E R
!
Disregarding important instructions!
S
Death, serious bodily injury, damage to property.
Z
Before you assemble the pump note chapter 6.1 on page
21.
W A R N I N G
!
Danger of contamination!
S
Death, serious bodily injury, damage to property.
Z
If the area under the mechanical seal becomes soiled,
remove the soil with chemical solutions and water rinses
with the aid of one or more of a combination of brushes,
non-metallic scouring pads and scrapers.
Z
Replace O-rings when reassembling impeller to the shaft.
If the area behind the O-rings (under the impeller or
mechanical seal) becomes soiled, remove the soil with
chemical solutions and water rinses with the aid of one or
more of a combination of brushes, non-metallic scouring
pads and scrapers.
*
See page 37 for the optional assembly tools
mentioned in the following description
.
Assemble the pump in this way:
1. Pre-assemble the clamp connection.
Fit tension ring 10b (with threaded holes) and
pump shaft 51 to do this.
Fig. 27
Tension ring and pump shaft
2. Assemble the tension ring 10a over the pump
shaft 51.
Fig. 28
Clamp-connection, components
3. Join tension rings 10a and 10b.
Use hexagon head screws 9 and lock washers
9c to do this.
4. Grease the thread of hexagon head screws 9
and lock washers 9c.
Recommend Klüberpaste UH1 96-402 from
Grundfos FB Pump tool kit (pos. 3 fig. 55
) or
equivalent
.
Fig. 29
Clamp connection
5.
Clean inside of pump shaft 51 and motor
shaft, then
slide the pump shaft 51 onto the
drive shaft.
Fig. 30
Motor shaft
